China 3803 3804 3805 3806 Double Row Ball Bearing with Hot selling

Item Description

What is a ball bearing

Ball bearings are composed of 1 or more rows of balls, put among 2 coaxial rings. High resistance, they are especially appropriate for higher speeds. Read a lot more

That is why we find them in many mechanical applications. Ball bearings can be with or without seals (drinking water and dust). Ball bearings with integrated seals contain a lubricant that is efficient for daily life. These do not call for maintenance.
Our variety is also composed of sealed ball bearings with, on each sides, sheet-bolstered acrylonitrile-butadiene rubber (NBR) contact seals. They are provided ready for assembly and pre-greased.
You will discover on our website a broad decision of ball bearings in stock, makes or generic higher quality assembly the European expectations

Single row ball bearing
Double row ball bearing

Double row angular contact ball bearing

 

(mm)

(Kn)

   

(rpm)

    

  (mm) ()
d D B r Cr Cor Cr Cor Z,zz (RS,2RS) Z       ()a Kg
ten thirty 14.3 .six seven.35 5.35     15000   20000 3200     19.five .052
ten thirty fourteen .6 seven.35 five.35     15000   20000 5200     19.five .05
12 32 fifteen.9 .6 nine.7 seven.15     14000   18000 3201     21.seven .063
15 35 fifteen.nine .six nine.seven seven.45     12000   16000 3202     23.6 .072
forty two 19 one 15.2 11.9     10000   14000 3302     27.six .132
17 forty 17.5 .six 13.eight 10.8     11000   14000 3203     26.six .1
40 17.five .six 13.2 8.fifteen twelve.seven 8.35 11000 1100 14000 5203 5203ZZ 5203 2RS twenty .091
forty seven 22.2 one 21.7 17.one     9400   13000 3303     31 .192
20 47 twenty.six one 17.2 15     9000   12000 3204     31.5 .seventeen
forty seven 20.six one 19.seven 12.six 16 10.8 8800 8800 12000 5204 5204ZZ 5204 2RS 23.5 .twelve
fifty two 22.two 1.one 20.8 18.4     8200   11000 3304     33.8 .23
fifty two 22.2 one.one 24.7 fifteen 19.8 twelve.eight 8300 8300 11000 5304 5304ZZ 5304 2RS 25.nine .23
25 fifty two twenty.six 1 18.nine 18.two     7800   10000 3205     34.4 .19
52 20.6 one 21.four fourteen.8 18.9 13.eight 7700 7700 ten thousand 5205 5205ZZ 5205 ZZ 26.1 .19
sixty two twenty five.four one.one 28.9 26.5     6800   9100 3305     forty.5 .369
sixty two 25.four one.one 32.7 twenty.8 27.five 18.5 6900 6900 9200 5305 5305ZZ 5305 2RS 31.1 .34
30 62 23.8 1 27.3 27     6500   8700 3206     forty.seven .32
62 23.8 one 29.7 21.3 25.4 18.three 6400 6400 8600 5206 5206ZZ 5206 2RS 30.8 .29
seventy two thirty.two 1.one 38.one 36.1     5800   7800 3306     47.two .585
72 thirty.two one.one 41 28.5 34.3 25.2 5800 5800 7700 5306 5306ZZ 5306 2RS 36.2 .fifty one
35 seventy two 27 one.1 36.8 37.5     5600   7500 3207     46.nine .48
seventy two 27 one.1 39.two 29 31.7 24.six 5500 5500 7300 5207 5207ZZ 5207 2RS 36.one .43
80 34.nine one.5 forty eight.6 46.eight     5200   7000 3307     53.four .816
eighty 34.nine one.5 fifty one.2 36.two forty six.one 32.eight 5100 5100 6800 5307 5307ZZ 5307 2RS 41 .seventy nine
40 eighty thirty.2 1.one forty two 43.9     5000   6700 3208     52.6 .65
80 30.2 1.one 44.4 33.six 36.5 29.1 5000 5000 6700 5208 5208ZZ 5208 2RS 39.two .57
90 36.five 1.five 54.one 53.eight     4600   6100 3308     58.9 one.07
ninety 36.five one.five sixty two.7 forty five.four 51.4 37.8 4600 4600 6100 5308 5308ZZ 5308 2RS forty four.9 1.05
45 eighty five 30.2 one.one 45.four fifty one.four     4600   6100 3209     fifty six.three .seventy one
85 30.two 1.one forty nine.9 38.4 41.seven 33.nine 4600 4600 6100 5209 5209ZZ 5209 2RS forty two.2 .sixty two
one hundred 39.7 1.five sixty six.1 67.three     4100   5500 3309     65.six 1.42
100 39.seven 1.five 75.1 55.7 sixty eight.9 51.four 4100 4100 5500 5309 5309ZZ 5309 2RS 51 1.42
50 ninety thirty.two one.one 45.1 52.one     4300   5700 3210     fifty eight.8 .seventy six
ninety thirty.2 1.1 fifty three.three 43.six forty four.one 37.9 4300 4300 5600 5210 5210ZZ 5210 2RS forty four.five .67
a hundred and ten 44.4 two 86.1 88.6     3800   5000 3310     71.seven one.ninety five
a hundred and ten forty four.4 two 88.five sixty seven 81.eight 62.two 3800 3600 4800 5310 5310ZZ 5310 2RS fifty six.six one.93
55 100 33.three 1.5 fifty.nine 60.two     3900   5100 3211     65 1.05
a hundred 33.three 1.five sixty five.9 fifty five.2 fifty two.nine 44.seven 3800 3800 5100 5211 5211ZZ 5211 2RS fifty.2 .ninety six
one hundred twenty forty nine.2 two 101 106     3400   4500 3311     79.3 two.fifty three
a hundred and twenty 49.2 two one hundred ten 85.1 ninety five.7 74.three 3300 3300 4500 5311 5311ZZ 5311 2RS sixty one.six two.three
60 a hundred and ten 36.5 one.5 64 seventy six.8     3500   4700 3213     71.three one.4
a hundred and ten 36.five one.five 74.4 sixty.eight 62.six 55.9 3500 3500 4700 5213 5212ZZ 5212 2RS fifty three.eight 1.36
a hundred thirty fifty four 2.one 125 132     3100   4200 3312     87.four three.24
130 fifty four 2.one 126 ninety eight.7 one hundred ten 87.one 3100 3100 4200 5312 5312ZZ 5312 2RS sixty seven.two 3.sixteen
65 one hundred twenty 38.1 1.five seventy six.four ninety seven.four     3200   4300 3213     76.eight one.75
one hundred twenty 38.one 1.five 86.9 seventy five.3 sixty nine.2 sixty three.1 3200 3200 4300 5213 5213ZZ 5213 2RS fifty eight.8 1.sixty six
a hundred and forty fifty eight.7 2.1 142 153     2900   3900 3313     92.seven four.08
a hundred and forty 58.seven two.one 142 113 142 113 2900 2900 3900 5313 5313ZZ 5313 2RS 70.nine three.91
70 a hundred twenty five 39.7 one.5 seventy seven.nine ninety six.four     3100   4100 3214     80.7 one.92
125 39.7 one.5 94.5 eighty two.6 76.three 70.3 3100 3100 4100 5214 5214ZZ 5214 2RS 61.4 one.81
150 63.5 2.one 151 160     2700   3600 3314     ninety nine.seven 5.04
150 63.five two.one one hundred sixty 129 one hundred sixty 129 2700 2700 3600 5314 5314ZZ 5314 2RS 76 four.89
75 one hundred thirty 41.three 1.5 ninety two.four one hundred twenty     2900   3900 3215     84.7 two.1
eighty 140 44.4 two ninety seven.five 121     2700   3600 3216     ninety.7 two.64

 

(mm)     (KG)
d D B Cr(N) Cor(N)
5 14 7 30/5 2RS 1810 950 .009
14 7 30/5 2Z 1810 950 .008
6 seventeen nine thirty/6 2RS 3100 1400 .01
seventeen nine thirty/6 2Z 3100 1400 .01
7 19 10 30/7 2RS 3650 1700 .012
19 10 30/7 2Z 3650 1700 .012
8 22 eleven thirty/8 2RS 5200 2610 .02
22 11 30/8 2Z 5200 2610 .02
10 26 twelve 3000 2RS 5700 3250 .571
26 twelve 3000 2Z 5700 3250 .571
19 seven 3800 2RS 2080 1370 .005
19 7 3800 ZZ 2080 1370 .005
12 28 twelve 3001 2RS 6200 3750 .571
28 12 3001 2Z 6200 3750 .571
21 7 3801 2RS 2150 1250 .007
21 7 3801 ZZ 2150 1250 .007
15 32 13 3002 2RS 8600 5400 .036
32 thirteen 3002 2Z 8600 5400 .036
24 7 3802 2RS 2340 1880 .009
24 seven 3802 2Z 2340 6200 .009
17 35 fourteen 3003 2RS 9200 6200 .042
35 14 3003 2Z 9200 2100 .042
26 seven 3803 2RS 2480 2100 .016
26 7 3803 2Z 2480 9600 .016
20 forty two 16 3004 2RS 14500 9600 .08
42 sixteen 3004 2Z 14500 4850 .08
32 10 3804 2RS 5600 4850 .02
32 ten 3804 2Z 5600   .02
25 47 16 3005 2RS 15500 11100 .one
forty seven sixteen 3005 2Z 15500 11100 .one
37 ten 3805 2RS 6000 5600 .571
37 10 3805 2Z 6000 5600 .571
30 fifty five 19 3006 2RS 20300 13500 .16
55 19 3006 2Z 20300 13500 .sixteen
forty two 10 3806 2RS 6300 6100 .03
forty two ten 3806 2Z 6300 6100 .03
35 sixty two 20 3007 2RS 24500 16800 .2
62 20 3007 2Z 24500 16800 .2
forty seven ten 3807 2RS 6700 7000 .035
forty seven ten 3807 2Z 6700 7000 .035
40 sixty eight 21 3008 2RS 25500 18800 .25
sixty eight 21 3008 2Z 25500 18800 .25
52 ten 3808 2RS 7000 7800 .04
fifty two ten 3808 2Z 7000 7800 .04
45 fifty eight ten 3809 2RS 7200 8300 .053
58 10 3809 2Z 7200 8300 .053
50 65 twelve 3810 2RS 8700 10400 .07
65 twelve 3810 2Z 8700 10400 .07

 

(mm)   Cor(N) Cor(N) (KG)  
d D B r
10 thirty fourteen .six 4200 9230 5200 .049 4200
35 seventeen .six 4300 14300 8900 .091 4300
12 32 fourteen .six 4201 10600 6200 .053 4201
37 17 one 4301 13000 7800 .092 4301
15 35 14 .6 4202 11900 7500 .059 4202
forty two 17 1 4302 14800 9500 .12 4302
17 forty 16 .six 4203 14800 9500 .09 4203
forty seven 19 1 4303 19500 13200 .sixteen 4303
20 47 eighteen 1 4204 17800 12500 .fourteen 4204
fifty two 21 1.1 4304 23400 16000 .21 4304
25 fifty two 18 one 4205 19000 14600 .16 4205
sixty two 24 1.1 4305 31900 22400 .34 4305
30 62 twenty 1 4206 26000 20800 .26 4206
seventy two 27 one.one 4306 41000 30000 .5 4306
35 seventy two 23 1.one 4207 35100 28500 .4 4207
80 31 one.five 4307 50700 38000 .69 4307
40 80 23 one.1 4208 37100 32500 .5 4208
ninety 33 1.five 4308 55900 45000 .ninety five 4308
45 85 23 one.1 4209 39000 36000 .fifty four 4209
100 36 1.five 4309 68900 56000 one.twenty five 4309
50 90 23 one.1 4210 41000 40000 .fifty eight 4210
one hundred ten forty two 4310 81900 69500 1.7 4310

 

Bearing No. Weight Dimension(mm) Load score
      NTL g dw d D C B A rs Cw(KN) Cow(KN)
LFR50/4NPP 3.5 5 four 13 6 seven 8.04 .two 1.05 .85
LFR50/5-4KDD seven.5 4 five 16 7 eight nine .two one.two .86
LFR50/5-4NPP 7.5 four 5 sixteen 7 eight 9 .2 1.two .86
LFR50/5KDD 8 6 five seventeen 7 8 ten.five .2 1.27 .82
LFR50/5NPP 8 six 5 17 seven 8 ten.5 .two 1.27 .82
LFR50/8KDD 24 six eight 24 11 eleven 14 .three 3.67 2.28
LFR50/8NPP 24 six 8 24 eleven eleven 14 .3 3.sixty seven 2.28
LFR50/8-8KDD 24 8 eight 24 11 11 14.75 .3 three.sixty seven two.28
LFR50/8-8NPP 24 eight 8 24 11 eleven 14.seventy five .3 3.sixty seven two.28
LFR30/8KDD 31 10 eight 26.8 11 13 16.7 .three three.67 two.28
LFR30/8NPP 31 10 eight 26.eight eleven thirteen 16.seven .3 three.sixty seven 2.28
LFR5201KDD 68 10 twelve 35 fifteen.9 15.nine twenty.sixty five .three eight.5 five.one
LFR5201NPP sixty eight 10 twelve 35 fifteen.9 fifteen.nine 20.65 .3 eight.five five.one
LFR5301KDD 130 ten 12 42 19 19 24 .six 13 7.seven
LFR5301NPP 130 10 12 forty two 19 19 24 .6 thirteen 7.7
LFR5301-20KDD 125 twenty 12 forty two 19 19 28 .6 thirteen seven.seven
LFR5301-20NPP one hundred twenty five 20 12 42 19 19 28 .6 thirteen 7.7
LFR5302KDD 163 ten 15 47 19 19 26.sixty five one sixteen.two 9.2
LFR5302NPP 163 10 15 47 19 19 26.65 one 16.two 9.two
LFR5201-12KDD sixty eight twelve twelve 35 fifteen.nine fifteen.nine 21.75 .three 8.4 5
LFR5201-12NPP sixty eight 12 12 35 15.nine fifteen.nine 21.75 .3 8.4 five
LFR5201-14KDD 107 fourteen twelve 39.nine 18 20 24 .3 eight.9 five
LFR5201-14NPP 107 fourteen twelve 39.nine 18 twenty 24 .3 8.nine five
LFR5201-10.4KDD 115 ten 12 39.nine eighteen 20 22 .three eight.nine 5
LFR5201-10.4NPP 115 10 12 39.9 18 20 22 .3 eight.9 5
LFR5204-16KDD 195 16 twenty 52 twenty.6 22.6 31.five .six sixteen.eight nine.5
LFR5206-20KDD 435 20 25 seventy two 23.eight 25.eight 41 .6 29.5 16.6
LFR5206-20NPP 435 twenty twenty five 72 23.8 25.eight 41 .6 29.5 16.six
LFR5206-25KDD 425 25 25 72 23.8 twenty five.eight forty three.five .six 29.5 sixteen.4
LFR5206-25NPP 425 twenty five 25 72 23.eight twenty five.eight 43.five .six 29.five sixteen.four
LFR5207-30KDD 660 30 thirty eighty 27 29 fifty one one 38 20.8
LFR5207-30NPP 660 thirty thirty eighty 27 29 fifty one 1 38 20.eight
LFR5208-40KDD 1360 forty forty ninety eight 36 38 sixty two.5 one fifty four.eight 29
LFR5208-41KDD 1360 40 forty ninety eight 36 38 62.5 one 54.8 29
LFR5208-42KDD 1400 fifty fifty a hundred and ten 44 46 72.five one.1 53 39.5
LFR5208-43KDD 1400 50 50 one hundred ten 44 46 seventy two.five 1.1 fifty three 39.five

 

 Bearing No. Weight Dimension (mm)
FYOSY ≈(g) D d B C R

LR 50/8 NPP thirty 24 8 11 eleven
LR 50/8 NPPU thirty 24 8 eleven eleven 500
LR fifty/8 KDD thirty 24 eight 11 eleven
LR fifty/8 KDDU 30 24 8 eleven 11 five hundred

LR 5201 NPP eighty 35 12 15.9 fifteen.9
LR 5201 NPPU 80 35 12 15.nine 15.nine 500
LR 5201 KDD eighty 35 12 fifteen.nine 15.9
LR 5201 KDDU 80 35 12 15.9 15.9 500
LR 5202 NPP one hundred ten forty 15 fifteen.nine 15.9
LR 5202 NPPU 110 forty 15 15.nine 15.9 five hundred
LR 5202 KDD a hundred and ten forty 15 fifteen.nine 15.9
LR 5202 KDDU one hundred ten forty fifteen fifteen.9 fifteen.nine 500
LR 5203 NPP one hundred seventy 47 17 seventeen.5 seventeen.five
LR 5203 NPPU 170 47 17 17.five 17.five five hundred
LR 5203 KDD one hundred seventy 47 17 17.5 17.five
LR 5203 KDDU a hundred and seventy forty seven seventeen 17.five 17.five five hundred

LR 5302 NPP one hundred fifty 47 fifteen 19 19
LR 5302 NPPU a hundred and fifty forty seven fifteen 19 19 500
LR 5302 KDD 150 47 15 19 19
LR 5302 KDDU a hundred and fifty forty seven 15 19 19 five hundred
LR 5303 NPP 210 52 seventeen 22.2 22.2
LR 5303 NPPU 210 52 seventeen 22.2 22.two 500
LR 5303 KDD 210 52 17 22.2 22.two
LR 5303 KDDU 210 fifty two seventeen 22.two 22.2 500
LR 5304 NPP 340 sixty two twenty 22.two 22.2

  

 

Distinct type:

 

US $0.3-0.5
/ Piece
|
100 Pieces

(Min. Order)

###

Contact Angle: Normal
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Double
Load Direction: Radial Bearing
Material: Bearing Steel

###

Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

(mm)

(Kn)

   

(rpm)

    

  (mm) ()
d D B r Cr Cor Cr Cor Z,zz (RS,2RS) Z       ()a Kg
10 30 14.3 0.6 7.35 5.35     15000   20000 3200     19.5 0.052
10 30 14 0.6 7.35 5.35     15000   20000 5200     19.5 0.05
12 32 15.9 0.6 9.7 7.15     14000   18000 3201     21.7 0.063
15 35 15.9 0.6 9.7 7.45     12000   16000 3202     23.6 0.072
42 19 1 15.2 11.9     10000   14000 3302     27.6 0.132
17 40 17.5 0.6 13.8 10.8     11000   14000 3203     26.6 0.1
40 17.5 0.6 13.2 8.15 12.7 8.35 11000 1100 14000 5203 5203ZZ 5203 2RS 20 0.091
47 22.2 1 21.7 17.1     9400   13000 3303     31 0.192
20 47 20.6 1 17.2 15     9000   12000 3204     31.5 0.17
47 20.6 1 19.7 12.6 16 10.8 8800 8800 12000 5204 5204ZZ 5204 2RS 23.5 0.12
52 22.2 1.1 20.8 18.4     8200   11000 3304     33.8 0.23
52 22.2 1.1 24.7 15 19.8 12.8 8300 8300 11000 5304 5304ZZ 5304 2RS 25.9 0.23
25 52 20.6 1 18.9 18.2     7800   10000 3205     34.4 0.19
52 20.6 1 21.4 14.8 18.9 13.8 7700 7700 10000 5205 5205ZZ 5205 ZZ 26.1 0.19
62 25.4 1.1 28.9 26.5     6800   9100 3305     40.5 0.369
62 25.4 1.1 32.7 20.8 27.5 18.5 6900 6900 9200 5305 5305ZZ 5305 2RS 31.1 0.34
30 62 23.8 1 27.3 27     6500   8700 3206     40.7 0.32
62 23.8 1 29.7 21.3 25.4 18.3 6400 6400 8600 5206 5206ZZ 5206 2RS 30.8 0.29
72 30.2 1.1 38.1 36.1     5800   7800 3306     47.2 0.585
72 30.2 1.1 41 28.5 34.3 25.2 5800 5800 7700 5306 5306ZZ 5306 2RS 36.2 0.51
35 72 27 1.1 36.8 37.5     5600   7500 3207     46.9 0.48
72 27 1.1 39.2 29 31.7 24.6 5500 5500 7300 5207 5207ZZ 5207 2RS 36.1 0.43
80 34.9 1.5 48.6 46.8     5200   7000 3307     53.4 0.816
80 34.9 1.5 51.2 36.2 46.1 32.8 5100 5100 6800 5307 5307ZZ 5307 2RS 41 0.79
40 80 30.2 1.1 42 43.9     5000   6700 3208     52.6 0.65
80 30.2 1.1 44.4 33.6 36.5 29.1 5000 5000 6700 5208 5208ZZ 5208 2RS 39.2 0.57
90 36.5 1.5 54.1 53.8     4600   6100 3308     58.9 1.07
90 36.5 1.5 62.7 45.4 51.4 37.8 4600 4600 6100 5308 5308ZZ 5308 2RS 44.9 1.05
45 85 30.2 1.1 45.4 51.4     4600   6100 3209     56.3 0.71
85 30.2 1.1 49.9 38.4 41.7 33.9 4600 4600 6100 5209 5209ZZ 5209 2RS 42.2 0.62
100 39.7 1.5 66.1 67.3     4100   5500 3309     65.6 1.42
100 39.7 1.5 75.1 55.7 68.9 51.4 4100 4100 5500 5309 5309ZZ 5309 2RS 51 1.42
50 90 30.2 1.1 45.1 52.1     4300   5700 3210     58.8 0.76
90 30.2 1.1 53.3 43.6 44.1 37.9 4300 4300 5600 5210 5210ZZ 5210 2RS 44.5 0.67
110 44.4 2 86.1 88.6     3800   5000 3310     71.7 1.95
110 44.4 2 88.5 67 81.8 62.2 3800 3600 4800 5310 5310ZZ 5310 2RS 56.6 1.93
55 100 33.3 1.5 50.9 60.2     3900   5100 3211     65 1.05
100 33.3 1.5 65.9 55.2 52.9 44.7 3800 3800 5100 5211 5211ZZ 5211 2RS 50.2 0.96
120 49.2 2 101 106     3400   4500 3311     79.3 2.53
120 49.2 2 110 85.1 95.7 74.3 3300 3300 4500 5311 5311ZZ 5311 2RS 61.6 2.3
60 110 36.5 1.5 64 76.8     3500   4700 3213     71.3 1.4
110 36.5 1.5 74.4 60.8 62.6 55.9 3500 3500 4700 5213 5212ZZ 5212 2RS 53.8 1.36
130 54 2.1 125 132     3100   4200 3312     87.4 3.24
130 54 2.1 126 98.7 110 87.1 3100 3100 4200 5312 5312ZZ 5312 2RS 67.2 3.16
65 120 38.1 1.5 76.4 97.4     3200   4300 3213     76.8 1.75
120 38.1 1.5 86.9 75.3 69.2 63.1 3200 3200 4300 5213 5213ZZ 5213 2RS 58.8 1.66
140 58.7 2.1 142 153     2900   3900 3313     92.7 4.08
140 58.7 2.1 142 113 142 113 2900 2900 3900 5313 5313ZZ 5313 2RS 70.9 3.91
70 125 39.7 1.5 77.9 96.4     3100   4100 3214     80.7 1.92
125 39.7 1.5 94.5 82.6 76.3 70.3 3100 3100 4100 5214 5214ZZ 5214 2RS 61.4 1.81
150 63.5 2.1 151 160     2700   3600 3314     99.7 5.04
150 63.5 2.1 160 129 160 129 2700 2700 3600 5314 5314ZZ 5314 2RS 76 4.89
75 130 41.3 1.5 92.4 120     2900   3900 3215     84.7 2.1
80 140 44.4 2 97.5 121     2700   3600 3216     90.7 2.64

###

(mm)     (KG)
d D B Cr(N) Cor(N)
5 14 7 30/5 2RS 1810 950 0.009
14 7 30/5 2Z 1810 950 0.008
6 17 9 30/6 2RS 3100 1400 0.01
17 9 30/6 2Z 3100 1400 0.01
7 19 10 30/7 2RS 3650 1700 0.012
19 10 30/7 2Z 3650 1700 0.012
8 22 11 30/8 2RS 5200 2610 0.02
22 11 30/8 2Z 5200 2610 0.02
10 26 12 3000 2RS 5700 3250 0.022
26 12 3000 2Z 5700 3250 0.022
19 7 3800 2RS 2080 1370 0.005
19 7 3800 ZZ 2080 1370 0.005
12 28 12 3001 2RS 6200 3750 0.025
28 12 3001 2Z 6200 3750 0.025
21 7 3801 2RS 2150 1250 0.007
21 7 3801 ZZ 2150 1250 0.007
15 32 13 3002 2RS 8600 5400 0.036
32 13 3002 2Z 8600 5400 0.036
24 7 3802 2RS 2340 1880 0.009
24 7 3802 2Z 2340 6200 0.009
17 35 14 3003 2RS 9200 6200 0.042
35 14 3003 2Z 9200 2100 0.042
26 7 3803 2RS 2480 2100 0.016
26 7 3803 2Z 2480 9600 0.016
20 42 16 3004 2RS 14500 9600 0.08
42 16 3004 2Z 14500 4850 0.08
32 10 3804 2RS 5600 4850 0.02
32 10 3804 2Z 5600   0.02
25 47 16 3005 2RS 15500 11100 0.1
47 16 3005 2Z 15500 11100 0.1
37 10 3805 2RS 6000 5600 0.025
37 10 3805 2Z 6000 5600 0.025
30 55 19 3006 2RS 20300 13500 0.16
55 19 3006 2Z 20300 13500 0.16
42 10 3806 2RS 6300 6100 0.03
42 10 3806 2Z 6300 6100 0.03
35 62 20 3007 2RS 24500 16800 0.2
62 20 3007 2Z 24500 16800 0.2
47 10 3807 2RS 6700 7000 0.035
47 10 3807 2Z 6700 7000 0.035
40 68 21 3008 2RS 25500 18800 0.25
68 21 3008 2Z 25500 18800 0.25
52 10 3808 2RS 7000 7800 0.04
52 10 3808 2Z 7000 7800 0.04
45 58 10 3809 2RS 7200 8300 0.053
58 10 3809 2Z 7200 8300 0.053
50 65 12 3810 2RS 8700 10400 0.07
65 12 3810 2Z 8700 10400 0.07

###

(mm)   Cor(N) Cor(N) (KG)  
d D B r
10 30 14 0.6 4200 9230 5200 0.049 4200
35 17 0.6 4300 14300 8900 0.091 4300
12 32 14 0.6 4201 10600 6200 0.053 4201
37 17 1 4301 13000 7800 0.092 4301
15 35 14 0.6 4202 11900 7500 0.059 4202
42 17 1 4302 14800 9500 0.12 4302
17 40 16 0.6 4203 14800 9500 0.09 4203
47 19 1 4303 19500 13200 0.16 4303
20 47 18 1 4204 17800 12500 0.14 4204
52 21 1.1 4304 23400 16000 0.21 4304
25 52 18 1 4205 19000 14600 0.16 4205
62 24 1.1 4305 31900 22400 0.34 4305
30 62 20 1 4206 26000 20800 0.26 4206
72 27 1.1 4306 41000 30000 0.5 4306
35 72 23 1.1 4207 35100 28500 0.4 4207
80 31 1.5 4307 50700 38000 0.69 4307
40 80 23 1.1 4208 37100 32500 0.5 4208
90 33 1.5 4308 55900 45000 0.95 4308
45 85 23 1.1 4209 39000 36000 0.54 4209
100 36 1.5 4309 68900 56000 1.25 4309
50 90 23 1.1 4210 41000 40000 0.58 4210
110 40 2 4310 81900 69500 1.7 4310

###

Bearing No. Weight Dimension(mm) Load rating
      NTL g dw d D C B A rs Cw(KN) Cow(KN)
LFR50/4NPP 3.5 5 4 13 6 7 8.04 0.2 1.05 0.85
LFR50/5-4KDD 7.5 4 5 16 7 8 9 0.2 1.2 0.86
LFR50/5-4NPP 7.5 4 5 16 7 8 9 0.2 1.2 0.86
LFR50/5KDD 8 6 5 17 7 8 10.5 0.2 1.27 0.82
LFR50/5NPP 8 6 5 17 7 8 10.5 0.2 1.27 0.82
LFR50/8KDD 24 6 8 24 11 11 14 0.3 3.67 2.28
LFR50/8NPP 24 6 8 24 11 11 14 0.3 3.67 2.28
LFR50/8-8KDD 24 8 8 24 11 11 14.75 0.3 3.67 2.28
LFR50/8-8NPP 24 8 8 24 11 11 14.75 0.3 3.67 2.28
LFR30/8KDD 31 10 8 26.8 11 13 16.7 0.3 3.67 2.28
LFR30/8NPP 31 10 8 26.8 11 13 16.7 0.3 3.67 2.28
LFR5201KDD 68 10 12 35 15.9 15.9 20.65 0.3 8.5 5.1
LFR5201NPP 68 10 12 35 15.9 15.9 20.65 0.3 8.5 5.1
LFR5301KDD 130 10 12 42 19 19 24 0.6 13 7.7
LFR5301NPP 130 10 12 42 19 19 24 0.6 13 7.7
LFR5301-20KDD 125 20 12 42 19 19 28 0.6 13 7.7
LFR5301-20NPP 125 20 12 42 19 19 28 0.6 13 7.7
LFR5302KDD 163 10 15 47 19 19 26.65 1 16.2 9.2
LFR5302NPP 163 10 15 47 19 19 26.65 1 16.2 9.2
LFR5201-12KDD 68 12 12 35 15.9 15.9 21.75 0.3 8.4 5
LFR5201-12NPP 68 12 12 35 15.9 15.9 21.75 0.3 8.4 5
LFR5201-14KDD 107 14 12 39.9 18 20 24 0.3 8.9 5
LFR5201-14NPP 107 14 12 39.9 18 20 24 0.3 8.9 5
LFR5201-10.4KDD 115 10 12 39.9 18 20 22 0.3 8.9 5
LFR5201-10.4NPP 115 10 12 39.9 18 20 22 0.3 8.9 5
LFR5204-16KDD 195 16 20 52 20.6 22.6 31.5 0.6 16.8 9.5
LFR5206-20KDD 435 20 25 72 23.8 25.8 41 0.6 29.5 16.6
LFR5206-20NPP 435 20 25 72 23.8 25.8 41 0.6 29.5 16.6
LFR5206-25KDD 425 25 25 72 23.8 25.8 43.5 0.6 29.5 16.4
LFR5206-25NPP 425 25 25 72 23.8 25.8 43.5 0.6 29.5 16.4
LFR5207-30KDD 660 30 30 80 27 29 51 1 38 20.8
LFR5207-30NPP 660 30 30 80 27 29 51 1 38 20.8
LFR5208-40KDD 1360 40 40 98 36 38 62.5 1 54.8 29
LFR5208-41KDD 1360 40 40 98 36 38 62.5 1 54.8 29
LFR5208-42KDD 1400 50 50 110 44 46 72.5 1.1 53 39.5
LFR5208-43KDD 1400 50 50 110 44 46 72.5 1.1 53 39.5

###

 Bearing No. Weight Dimension (mm)
FYOSY ≈(g) D d B C R

###

LR 50/8 NPP 30 24 8 11 11
LR 50/8 NPPU 30 24 8 11 11 500
LR 50/8 KDD 30 24 8 11 11
LR 50/8 KDDU 30 24 8 11 11 500

###

LR 5201 NPP 80 35 12 15.9 15.9
LR 5201 NPPU 80 35 12 15.9 15.9 500
LR 5201 KDD 80 35 12 15.9 15.9
LR 5201 KDDU 80 35 12 15.9 15.9 500
LR 5202 NPP 110 40 15 15.9 15.9
LR 5202 NPPU 110 40 15 15.9 15.9 500
LR 5202 KDD 110 40 15 15.9 15.9
LR 5202 KDDU 110 40 15 15.9 15.9 500
LR 5203 NPP 170 47 17 17.5 17.5
LR 5203 NPPU 170 47 17 17.5 17.5 500
LR 5203 KDD 170 47 17 17.5 17.5
LR 5203 KDDU 170 47 17 17.5 17.5 500

###

LR 5302 NPP 150 47 15 19 19
LR 5302 NPPU 150 47 15 19 19 500
LR 5302 KDD 150 47 15 19 19
LR 5302 KDDU 150 47 15 19 19 500
LR 5303 NPP 210 52 17 22.2 22.2
LR 5303 NPPU 210 52 17 22.2 22.2 500
LR 5303 KDD 210 52 17 22.2 22.2
LR 5303 KDDU 210 52 17 22.2 22.2 500
LR 5304 NPP 340 62 20 22.2 22.2
US $0.3-0.5
/ Piece
|
100 Pieces

(Min. Order)

###

Contact Angle: Normal
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Double
Load Direction: Radial Bearing
Material: Bearing Steel

###

Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

(mm)

(Kn)

   

(rpm)

    

  (mm) ()
d D B r Cr Cor Cr Cor Z,zz (RS,2RS) Z       ()a Kg
10 30 14.3 0.6 7.35 5.35     15000   20000 3200     19.5 0.052
10 30 14 0.6 7.35 5.35     15000   20000 5200     19.5 0.05
12 32 15.9 0.6 9.7 7.15     14000   18000 3201     21.7 0.063
15 35 15.9 0.6 9.7 7.45     12000   16000 3202     23.6 0.072
42 19 1 15.2 11.9     10000   14000 3302     27.6 0.132
17 40 17.5 0.6 13.8 10.8     11000   14000 3203     26.6 0.1
40 17.5 0.6 13.2 8.15 12.7 8.35 11000 1100 14000 5203 5203ZZ 5203 2RS 20 0.091
47 22.2 1 21.7 17.1     9400   13000 3303     31 0.192
20 47 20.6 1 17.2 15     9000   12000 3204     31.5 0.17
47 20.6 1 19.7 12.6 16 10.8 8800 8800 12000 5204 5204ZZ 5204 2RS 23.5 0.12
52 22.2 1.1 20.8 18.4     8200   11000 3304     33.8 0.23
52 22.2 1.1 24.7 15 19.8 12.8 8300 8300 11000 5304 5304ZZ 5304 2RS 25.9 0.23
25 52 20.6 1 18.9 18.2     7800   10000 3205     34.4 0.19
52 20.6 1 21.4 14.8 18.9 13.8 7700 7700 10000 5205 5205ZZ 5205 ZZ 26.1 0.19
62 25.4 1.1 28.9 26.5     6800   9100 3305     40.5 0.369
62 25.4 1.1 32.7 20.8 27.5 18.5 6900 6900 9200 5305 5305ZZ 5305 2RS 31.1 0.34
30 62 23.8 1 27.3 27     6500   8700 3206     40.7 0.32
62 23.8 1 29.7 21.3 25.4 18.3 6400 6400 8600 5206 5206ZZ 5206 2RS 30.8 0.29
72 30.2 1.1 38.1 36.1     5800   7800 3306     47.2 0.585
72 30.2 1.1 41 28.5 34.3 25.2 5800 5800 7700 5306 5306ZZ 5306 2RS 36.2 0.51
35 72 27 1.1 36.8 37.5     5600   7500 3207     46.9 0.48
72 27 1.1 39.2 29 31.7 24.6 5500 5500 7300 5207 5207ZZ 5207 2RS 36.1 0.43
80 34.9 1.5 48.6 46.8     5200   7000 3307     53.4 0.816
80 34.9 1.5 51.2 36.2 46.1 32.8 5100 5100 6800 5307 5307ZZ 5307 2RS 41 0.79
40 80 30.2 1.1 42 43.9     5000   6700 3208     52.6 0.65
80 30.2 1.1 44.4 33.6 36.5 29.1 5000 5000 6700 5208 5208ZZ 5208 2RS 39.2 0.57
90 36.5 1.5 54.1 53.8     4600   6100 3308     58.9 1.07
90 36.5 1.5 62.7 45.4 51.4 37.8 4600 4600 6100 5308 5308ZZ 5308 2RS 44.9 1.05
45 85 30.2 1.1 45.4 51.4     4600   6100 3209     56.3 0.71
85 30.2 1.1 49.9 38.4 41.7 33.9 4600 4600 6100 5209 5209ZZ 5209 2RS 42.2 0.62
100 39.7 1.5 66.1 67.3     4100   5500 3309     65.6 1.42
100 39.7 1.5 75.1 55.7 68.9 51.4 4100 4100 5500 5309 5309ZZ 5309 2RS 51 1.42
50 90 30.2 1.1 45.1 52.1     4300   5700 3210     58.8 0.76
90 30.2 1.1 53.3 43.6 44.1 37.9 4300 4300 5600 5210 5210ZZ 5210 2RS 44.5 0.67
110 44.4 2 86.1 88.6     3800   5000 3310     71.7 1.95
110 44.4 2 88.5 67 81.8 62.2 3800 3600 4800 5310 5310ZZ 5310 2RS 56.6 1.93
55 100 33.3 1.5 50.9 60.2     3900   5100 3211     65 1.05
100 33.3 1.5 65.9 55.2 52.9 44.7 3800 3800 5100 5211 5211ZZ 5211 2RS 50.2 0.96
120 49.2 2 101 106     3400   4500 3311     79.3 2.53
120 49.2 2 110 85.1 95.7 74.3 3300 3300 4500 5311 5311ZZ 5311 2RS 61.6 2.3
60 110 36.5 1.5 64 76.8     3500   4700 3213     71.3 1.4
110 36.5 1.5 74.4 60.8 62.6 55.9 3500 3500 4700 5213 5212ZZ 5212 2RS 53.8 1.36
130 54 2.1 125 132     3100   4200 3312     87.4 3.24
130 54 2.1 126 98.7 110 87.1 3100 3100 4200 5312 5312ZZ 5312 2RS 67.2 3.16
65 120 38.1 1.5 76.4 97.4     3200   4300 3213     76.8 1.75
120 38.1 1.5 86.9 75.3 69.2 63.1 3200 3200 4300 5213 5213ZZ 5213 2RS 58.8 1.66
140 58.7 2.1 142 153     2900   3900 3313     92.7 4.08
140 58.7 2.1 142 113 142 113 2900 2900 3900 5313 5313ZZ 5313 2RS 70.9 3.91
70 125 39.7 1.5 77.9 96.4     3100   4100 3214     80.7 1.92
125 39.7 1.5 94.5 82.6 76.3 70.3 3100 3100 4100 5214 5214ZZ 5214 2RS 61.4 1.81
150 63.5 2.1 151 160     2700   3600 3314     99.7 5.04
150 63.5 2.1 160 129 160 129 2700 2700 3600 5314 5314ZZ 5314 2RS 76 4.89
75 130 41.3 1.5 92.4 120     2900   3900 3215     84.7 2.1
80 140 44.4 2 97.5 121     2700   3600 3216     90.7 2.64

###

(mm)     (KG)
d D B Cr(N) Cor(N)
5 14 7 30/5 2RS 1810 950 0.009
14 7 30/5 2Z 1810 950 0.008
6 17 9 30/6 2RS 3100 1400 0.01
17 9 30/6 2Z 3100 1400 0.01
7 19 10 30/7 2RS 3650 1700 0.012
19 10 30/7 2Z 3650 1700 0.012
8 22 11 30/8 2RS 5200 2610 0.02
22 11 30/8 2Z 5200 2610 0.02
10 26 12 3000 2RS 5700 3250 0.022
26 12 3000 2Z 5700 3250 0.022
19 7 3800 2RS 2080 1370 0.005
19 7 3800 ZZ 2080 1370 0.005
12 28 12 3001 2RS 6200 3750 0.025
28 12 3001 2Z 6200 3750 0.025
21 7 3801 2RS 2150 1250 0.007
21 7 3801 ZZ 2150 1250 0.007
15 32 13 3002 2RS 8600 5400 0.036
32 13 3002 2Z 8600 5400 0.036
24 7 3802 2RS 2340 1880 0.009
24 7 3802 2Z 2340 6200 0.009
17 35 14 3003 2RS 9200 6200 0.042
35 14 3003 2Z 9200 2100 0.042
26 7 3803 2RS 2480 2100 0.016
26 7 3803 2Z 2480 9600 0.016
20 42 16 3004 2RS 14500 9600 0.08
42 16 3004 2Z 14500 4850 0.08
32 10 3804 2RS 5600 4850 0.02
32 10 3804 2Z 5600   0.02
25 47 16 3005 2RS 15500 11100 0.1
47 16 3005 2Z 15500 11100 0.1
37 10 3805 2RS 6000 5600 0.025
37 10 3805 2Z 6000 5600 0.025
30 55 19 3006 2RS 20300 13500 0.16
55 19 3006 2Z 20300 13500 0.16
42 10 3806 2RS 6300 6100 0.03
42 10 3806 2Z 6300 6100 0.03
35 62 20 3007 2RS 24500 16800 0.2
62 20 3007 2Z 24500 16800 0.2
47 10 3807 2RS 6700 7000 0.035
47 10 3807 2Z 6700 7000 0.035
40 68 21 3008 2RS 25500 18800 0.25
68 21 3008 2Z 25500 18800 0.25
52 10 3808 2RS 7000 7800 0.04
52 10 3808 2Z 7000 7800 0.04
45 58 10 3809 2RS 7200 8300 0.053
58 10 3809 2Z 7200 8300 0.053
50 65 12 3810 2RS 8700 10400 0.07
65 12 3810 2Z 8700 10400 0.07

###

(mm)   Cor(N) Cor(N) (KG)  
d D B r
10 30 14 0.6 4200 9230 5200 0.049 4200
35 17 0.6 4300 14300 8900 0.091 4300
12 32 14 0.6 4201 10600 6200 0.053 4201
37 17 1 4301 13000 7800 0.092 4301
15 35 14 0.6 4202 11900 7500 0.059 4202
42 17 1 4302 14800 9500 0.12 4302
17 40 16 0.6 4203 14800 9500 0.09 4203
47 19 1 4303 19500 13200 0.16 4303
20 47 18 1 4204 17800 12500 0.14 4204
52 21 1.1 4304 23400 16000 0.21 4304
25 52 18 1 4205 19000 14600 0.16 4205
62 24 1.1 4305 31900 22400 0.34 4305
30 62 20 1 4206 26000 20800 0.26 4206
72 27 1.1 4306 41000 30000 0.5 4306
35 72 23 1.1 4207 35100 28500 0.4 4207
80 31 1.5 4307 50700 38000 0.69 4307
40 80 23 1.1 4208 37100 32500 0.5 4208
90 33 1.5 4308 55900 45000 0.95 4308
45 85 23 1.1 4209 39000 36000 0.54 4209
100 36 1.5 4309 68900 56000 1.25 4309
50 90 23 1.1 4210 41000 40000 0.58 4210
110 40 2 4310 81900 69500 1.7 4310

###

Bearing No. Weight Dimension(mm) Load rating
      NTL g dw d D C B A rs Cw(KN) Cow(KN)
LFR50/4NPP 3.5 5 4 13 6 7 8.04 0.2 1.05 0.85
LFR50/5-4KDD 7.5 4 5 16 7 8 9 0.2 1.2 0.86
LFR50/5-4NPP 7.5 4 5 16 7 8 9 0.2 1.2 0.86
LFR50/5KDD 8 6 5 17 7 8 10.5 0.2 1.27 0.82
LFR50/5NPP 8 6 5 17 7 8 10.5 0.2 1.27 0.82
LFR50/8KDD 24 6 8 24 11 11 14 0.3 3.67 2.28
LFR50/8NPP 24 6 8 24 11 11 14 0.3 3.67 2.28
LFR50/8-8KDD 24 8 8 24 11 11 14.75 0.3 3.67 2.28
LFR50/8-8NPP 24 8 8 24 11 11 14.75 0.3 3.67 2.28
LFR30/8KDD 31 10 8 26.8 11 13 16.7 0.3 3.67 2.28
LFR30/8NPP 31 10 8 26.8 11 13 16.7 0.3 3.67 2.28
LFR5201KDD 68 10 12 35 15.9 15.9 20.65 0.3 8.5 5.1
LFR5201NPP 68 10 12 35 15.9 15.9 20.65 0.3 8.5 5.1
LFR5301KDD 130 10 12 42 19 19 24 0.6 13 7.7
LFR5301NPP 130 10 12 42 19 19 24 0.6 13 7.7
LFR5301-20KDD 125 20 12 42 19 19 28 0.6 13 7.7
LFR5301-20NPP 125 20 12 42 19 19 28 0.6 13 7.7
LFR5302KDD 163 10 15 47 19 19 26.65 1 16.2 9.2
LFR5302NPP 163 10 15 47 19 19 26.65 1 16.2 9.2
LFR5201-12KDD 68 12 12 35 15.9 15.9 21.75 0.3 8.4 5
LFR5201-12NPP 68 12 12 35 15.9 15.9 21.75 0.3 8.4 5
LFR5201-14KDD 107 14 12 39.9 18 20 24 0.3 8.9 5
LFR5201-14NPP 107 14 12 39.9 18 20 24 0.3 8.9 5
LFR5201-10.4KDD 115 10 12 39.9 18 20 22 0.3 8.9 5
LFR5201-10.4NPP 115 10 12 39.9 18 20 22 0.3 8.9 5
LFR5204-16KDD 195 16 20 52 20.6 22.6 31.5 0.6 16.8 9.5
LFR5206-20KDD 435 20 25 72 23.8 25.8 41 0.6 29.5 16.6
LFR5206-20NPP 435 20 25 72 23.8 25.8 41 0.6 29.5 16.6
LFR5206-25KDD 425 25 25 72 23.8 25.8 43.5 0.6 29.5 16.4
LFR5206-25NPP 425 25 25 72 23.8 25.8 43.5 0.6 29.5 16.4
LFR5207-30KDD 660 30 30 80 27 29 51 1 38 20.8
LFR5207-30NPP 660 30 30 80 27 29 51 1 38 20.8
LFR5208-40KDD 1360 40 40 98 36 38 62.5 1 54.8 29
LFR5208-41KDD 1360 40 40 98 36 38 62.5 1 54.8 29
LFR5208-42KDD 1400 50 50 110 44 46 72.5 1.1 53 39.5
LFR5208-43KDD 1400 50 50 110 44 46 72.5 1.1 53 39.5

###

 Bearing No. Weight Dimension (mm)
FYOSY ≈(g) D d B C R

###

LR 50/8 NPP 30 24 8 11 11
LR 50/8 NPPU 30 24 8 11 11 500
LR 50/8 KDD 30 24 8 11 11
LR 50/8 KDDU 30 24 8 11 11 500

###

LR 5201 NPP 80 35 12 15.9 15.9
LR 5201 NPPU 80 35 12 15.9 15.9 500
LR 5201 KDD 80 35 12 15.9 15.9
LR 5201 KDDU 80 35 12 15.9 15.9 500
LR 5202 NPP 110 40 15 15.9 15.9
LR 5202 NPPU 110 40 15 15.9 15.9 500
LR 5202 KDD 110 40 15 15.9 15.9
LR 5202 KDDU 110 40 15 15.9 15.9 500
LR 5203 NPP 170 47 17 17.5 17.5
LR 5203 NPPU 170 47 17 17.5 17.5 500
LR 5203 KDD 170 47 17 17.5 17.5
LR 5203 KDDU 170 47 17 17.5 17.5 500

###

LR 5302 NPP 150 47 15 19 19
LR 5302 NPPU 150 47 15 19 19 500
LR 5302 KDD 150 47 15 19 19
LR 5302 KDDU 150 47 15 19 19 500
LR 5303 NPP 210 52 17 22.2 22.2
LR 5303 NPPU 210 52 17 22.2 22.2 500
LR 5303 KDD 210 52 17 22.2 22.2
LR 5303 KDDU 210 52 17 22.2 22.2 500
LR 5304 NPP 340 62 20 22.2 22.2

Materials Used in Bearings

If you’re not familiar with the types of bearings, you may be interested in knowing more about the materials used to manufacture them. Here’s a look at what each type of bearing is made of, how it’s used, and how much they cost. To find the right bearing for your application, it’s important to choose a quality lubricant. The materials used in bearings are determined by their type and applications. Choosing the right lubricant will extend its life, and protect your machine’s parts from damage and premature wear.

Materials used in bearings

Bearings are made from a variety of materials. Stainless steel is a common material used for the components of bearings. It has a higher content of chromium and nickel. When exposed to oxygen, chromium reacts with it to form chromium oxide, which provides a passive film. For higher temperatures, teflon and Viton are also used. These materials offer excellent corrosion resistance and are often preferred by manufacturers for their unique properties.
Stainless steel is another material used in bearings. AISI 440C is a high-carbon stainless steel commonly used in rolling-contact bearings. It is widely used in corrosive environments, especially in applications where corrosion resistance is more important than load capacity. It can also be heat-treated and hardened to 60 HRC, but has lower fatigue life than SAE 52100. Stainless steel bearings may carry a 20-40% price premium, but their superior performance is worth the extra money.
Graphite and molybdenum disulfide are two of the most common materials used in bearings. While graphite is a popular material in bearings, it has very poor corrosion resistance and is unsuitable for applications where oil or grease is required. Graphite-based composite materials are another option. They combine the benefits of both graphite and ceramic materials. A variety of proprietary materials have been developed for high-temperature use, such as graphite and MoS2.
Wood bearings have been around for centuries. The oldest ones used wood and Lignum Vitae. These materials were lightweight, but they were incredibly strong and durable. Wood bearings were also lubricated with animal fats. During the 1700s, iron bearings were a popular choice. In 1839, Isaac Babbitt invented an alloy containing hard metal crystals suspended in a softer metal. It is considered a metal matrix composite.

Applications of bearings

bearing
Bearings are used in many different industries and systems to help facilitate rotation. The metal surfaces in the bearings support the weight of the load, which drives the rotation of the unit. Not all loads apply the same amount of force to bearings, however. Thrust and radial loads act in distinctly different ways. To better understand the different uses of bearings, let’s examine the various types of bearings. These versatile devices are essential for many industries, from automobiles to ships and from construction to industrial processes.
Cylindrical roller bearings are designed to support heavy loads. Their cylindrical rolling element distributes the load over a larger area. They are not, however, suited to handling thrust loads. Needle bearings, on the other hand, use small diameter cylinders and can fit into tighter spaces. The advantages of these types of bearings are numerous, and many leading producers are now leveraging the Industrial Internet of Things (IIoT) to develop connected smart bearings.
As a power generation industry, bearings play an essential role. From turbines to compressors, from generators to pumps, bearings are essential components of equipment. In addition to bearings, these components help move the equipment, so they can work properly. Typically, these components use ball bearings, although some roller bearings are used as well. In addition to being efficient and durable, these types of bearings also tend to be built to meet stringent internal clearance requirements and cage design requirements.
In addition to bearings for linear motion, bearings can also bear the weight of a rotary part. Depending on the application, they can be designed to minimize friction between moving parts. By constraining relative motion, bearings are used to reduce friction within a given application. The best-designed bearings minimize friction in a given application. If you’re in the market for a new bearing, NRB Industrial Bearings Limited is an excellent source to begin your search.

Types of bearings

bearing
The type of bearings you choose will have a significant impact on the performance of your machinery. Using the right bearings can increase efficiency, accuracy, and service intervals, and even reduce the cost of purchasing and operating machinery. There are several different types of bearings to choose from, including ball bearings and flexure bearings. Some types use a fluid to lubricate their surfaces, while others do not.
Plain bearings are the most common type of bearing, and are used for a variety of applications. Their cylindrical design allows for a relatively smooth movement. Often made of copper or other copper alloy, they have low coefficients of friction and are commonly used in the construction industry. Some types of plain bearings are also available with a gudgeon pin, which connects a piston to a connecting rod in a diesel engine.
Magnetic bearings are the newest type of bearing. They use permanent magnets to create a magnetic field around the shaft without requiring any power. These are difficult to design, and are still in the early stages of development. Electromagnets, on the other hand, require no power but can perform very high-precision positioning. They can be extremely durable and have a long service life. They are also lightweight and easy to repair.
Another type of bearing is needle roller. These are made of thin, long, and slender cylinders that are used in a variety of applications. Their slender size is ideal for a space-constrained application, and their small profile allows them to fit in tight places. These types of bearings are often used in automotive applications, bar stools, and camera panning devices. They have several advantages over ball bearings, including the ability to handle heavy axial loads.

Cost of bearings

A wide range of factors affect the cost of aerospace bearings, including the bearing material and its volatility. Manufacturers typically use high-grade steel for aircraft bearings, which are highly affected by fluctuations in the steel price. Government policies also play a part in the variation in trade price. The implementation of COVID-19 has changed the market dynamics, creating an uncertain outlook for supply and demand of aerospace bearings. New trade norms and transportation restrictions are expected to hamper the growth of this industry.
Demand for aerospace bearings is largely driven by aircraft manufacturers. In North America, aircraft manufacturers must meet extremely high standards of weight, performance, and quality. They also must be lightweight and cost-effective. This has resulted in a rising cost of aerospace bearings. The market for aerospace bearings is expected to grow at the highest CAGR over the next few years, driven by increasing investments in defense and aerospace infrastructure across Asia-Pacific.
Hub assemblies are also expensive. A wheel hub will cost between $400 and $500 for one set of bearings. In addition to this, the speed sensor will be included. The average cost of wheel bearings is between $400 and $500 for one side, including labor. But this price range is much lower if the bearing is a replacement of an entire wheel assembly. It is still worth noting that wheel hub bearings can be purchased separately for a lower price.
Replacement of one or two wheel bearings will depend on the model and year of the vehicle. For a small car, one rear wheel bearing can cost between $190 and $225, whereas two front wheel hubs can cost upwards of $1,000. Labor and parts prices will vary by location, and labor costs may also be covered under some warranty plans. If you decide to have it done yourself, be sure to ask multiple shops for estimates.

Inspection of bearings

bearing
To maintain bearing performance and prevent accidents, periodic inspections are essential. In addition to ensuring reliability, these inspections improve productivity and efficiency. Regular maintenance includes disassembly inspection, replenishment of lubricant and monitoring operation status. Here are some common ways to perform the necessary inspections. Keep reading to learn how to maintain bearings. After disassembly, you must clean the components thoroughly. Ensure that the bearings are free of burrs, debris, and corrosion.
Ultrasound technology is an excellent tool for monitoring slow-speed bearings. Most ultrasound instruments offer wide-ranging sensitivity and frequency tuning. Ultrasound can also be used to monitor bearing sound. Ultra-slow bearings are usually large and greased with high-viscosity lubricant. Crackling sounds indicate deformity. You can also listen for abnormal noise by plugging a vibration analyzer into the machine. Once the machine shows abnormal noise, schedule additional inspections.
Ultrasonic inspection involves using an ultrasound transducer to measure the amplitude of sound from a bearing. It is effective in early warnings of bearing failure and prevents over-lubrication. Ultrasound inspection of bearings is a cost-effective solution for early diagnosis of bearing problems. In addition to being a reliable tool, ultrasonic testing is digital and easy to implement. The following are some of the advantages of ultrasonic bearing inspection.
Dynamic quality evaluation involves the use of a special fixture for measuring bearing deformations under low shaft speed and light radial load. The size of the fixture influences the value of the deformations. A fixture should be sized between the diameter of the sensor and the roller to ensure maximum precision. The outer deformation signal is more sensitive with a larger sensor diameter. A vibration-acceleration sensor is used for the contrast test.

China 3803 3804 3805 3806 Double Row Ball Bearing     with Hot sellingChina 3803 3804 3805 3806 Double Row Ball Bearing     with Hot selling
editor by czh 2023-01-17

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