Product Description
Product Description
Description Linear motion Rolling CZPT series
ERSK Linear offers linear bearings in a variety of different options to meet a wide range of customer needs. Available in hardened steel, CK45 material steel, SUJ2 material steel, Aluminium alloy material , inch and metric, Simplicity Shafting maintains the ideal surface finish for linear plain bearings and ball bearings.
Solid round shafting is available in inch sizes from 3/16″ thru 4″ and metric sizes from 3 mm thru 80 mm
Linear bushing (LM) Products
Low frictional linear motion
Steel balls are accurately guided by a retainer, so low frictional resistance and stable linear motion can be achieved.
Simple replacement of conventional plain bushings
It is easy to use Linear Bushings instead of conventional plain bushings, because both types are used with a round shaft, and no major redesign is necessary.
Wide variations
For each dimensional series, standard, adjustable clearance and open types are available with and without seals, so the best linear bushing for the application may be selected. In addition to the standard type, the high-rigidity long type is available. These types can be selected to suit the requirements in applications.
Miniature linear bushing LM
Compact design
Miniature Linear Bushing is very small in size, allowing for compact assembly in machines and equipment.
High Reliability
ERSK linear bearing has very stringent quality control standards covering every production process. With proper lubrication and use,trouble-free operation for an extended period of time is possible.
Smooth Operation
The high efficiency of linear shaft is vastly superior to conventional shaft. The torque required is less than 30%. Linear motion can be easily changed from rotary motion. The linear bearings are moved very smoothly in the linear shaft.
High Durability
Rigidly selected materials, intensive heat treating and processing techniques, backed by years of experience,have resulted in the most durable linear bearings manufactured.
Linear bearings, linear blocks, linear bushing, linear motion units, linear motion slide
Application
For delicate application in industrial application, machine tool and automation application.
Detailed Photos
Product Parameters
Linear Bearing
Material and Heat Treatment
Matched parts:
|
Item |
Material |
Surface Treatment |
|
Linear bearing: SC,SC-AJ, SC-L,SC-AJ-L,SCE,SCE-L,SCE-AJ,SCE-AJ-L |
Aluminium alloy |
Clear Anodized |
|
Linear shaft support: SHF, SK |
Aluminium alloy |
Clear Anodized |
|
Open linear blocks: SBR, SBR-L,SBR-PP, TBR,TBR-L |
Aluminium alloy |
Clear Anodized |
|
Linear bushing: LM, LM-AJ, LM-OP, LM-L, LME, LME-AJ, LME-OP |
Bearing steel |
Induction Heating Hardening or |
|
Square Flange linear bushing: LMK, LMK-L, LMEK , LMEK-L, |
Bearing steel |
Induction Heating Hardening or Electroless Nickel Plating |
| Round Flange linear bushing: LMF, LMF-L, LMEF , LMEF-L, |
Bearing steel |
|
| Double cutting flange linear bushing: LMH,LMH-L, LMEH, LMEH-L | Bearing steel |
Induction Heating Hardening or Electroless Nickel Plating |
|
Item |
Model |
|
Linear shaft support rail |
SBR, TBR |
|
Ball-type linear bearings |
LM-UU, LM-AJUU,LM-LUU |
|
Flange mounts-plain linear bearings |
LMF-UU,LMK-UU, LMH-UU LMF-LUU,LMK-LUU, LMH-LUU |
|
Flange mounts- linear ball bearing |
LMF-UU,LMK-UU, LMH-UU LMF-LUU,LMK-LUU, LMH-LUU |
|
Linear ball bearing pillow blocks |
SC-UU,SC-AJUU,SC-VUU, SC-LUU,SC-AJLUU,SBR-UU, TBR-UU,SBR-LUU,TBR-LUU SBR-PPUU |
|
Linear shaft bearing |
SK, SHF |
Packaging & Shipping
PP bag for each linear shaft, Standard exported carton outside for small order shipping by international express, such as DHL, TNT, UPS
Wooden box outside for big quantity or very long linear shaft by sea, by air
Company Profile
Our principle:
Quality first, credibility is the key, the price followed
Our Advantages
Our service
Our Services:
1) ERSK professional manufacturer
a,Professional exporting team
b,very experience production factory from 2004 year
c,Have ourselves brand ERSK
2) Quality Control
a,QC department to control quality for each step
b,High precision production equipment, such as Chiron FZ15W, DMG XIHU (WEST LAKE) DIS. MAX3000 Machining Centers, Control precision automatically
c,ISO9001:2008 quality control system
3) Competitive Price
4) Quickly Delivery
a,High efficient production team,Large warehous, sufficient stock,
b,Delivery time: 2-7days to small order, 7-30days to bulk order
Related products
There are many kinds of products we can offer, If you are interested in them, please click the picture and see the details.
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| Feature: | Magnetically, Low Temperature, Corrosion Resistant, High Temperature, High Speed |
|---|---|
| Function: | Ordinary |
| Flange Shape: | Circular |
| Shape: | Straight |
| Series: | LM |
| Material: | Bearing Steel |
| Samples: |
US$ 5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
What is a Ball Bearing and How does it Function in Various Applications?
A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:
- Reduction of Friction:
Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.
- Radial and Axial Load Support:
Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.
- Smooth Rotational Movement:
Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.
- Applications in Machinery:
Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.
- Automotive Industry:
Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.
- Industrial Machinery:
In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.
- High-Speed Applications:
Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.
- Precision Instruments:
For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.
- Variety of Sizes and Types:
Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.
In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.
editor by CX 2024-05-14