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: | Without Flange |
| Shape: | Open |
| Series: | LM |
| Material: | Carbon Steel |
| Samples: |
US$ 15/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Prolonging the Life of Linear Bearings Through Maintenance Practices
Implementing proper maintenance practices is essential to extend the lifespan of linear bearings and ensure their optimal performance. Here are specific maintenance practices that can help:
- 1. Regular Lubrication:
Ensure that linear bearings are properly lubricated as recommended by the manufacturer. Adequate lubrication minimizes friction, reduces wear, and prevents premature failure.
- 2. Cleaning:
Regularly clean the linear bearing components to remove dirt, debris, and contaminants. Keeping the bearings clean reduces the risk of abrasive particles causing damage.
- 3. Inspection:
Periodically inspect linear bearings for signs of wear, damage, or misalignment. Look for uneven wear patterns, visible damage, or any unusual behavior during motion.
- 4. Alignment:
Ensure proper alignment of the linear components to prevent excessive stress on the bearings. Misalignment can lead to premature wear and reduced lifespan.
- 5. Proper Handling:
Handle linear bearings with care during installation and maintenance. Avoid dropping or impacting the bearings, which can cause internal damage.
- 6. Load Distribution:
Distribute loads evenly across multiple linear bearings if applicable. This prevents overloading individual bearings and extends their life.
- 7. Environmental Considerations:
Protect linear bearings from harsh environments, extreme temperatures, and corrosive substances. Use appropriate seals and enclosures to prevent contamination.
- 8. Regular Maintenance Schedule:
Create a maintenance schedule based on usage and manufacturer recommendations. Consistent maintenance helps identify issues early and prevents unexpected failures.
- 9. Proper Storage:
Store spare linear bearings in a clean and dry environment. Avoid exposure to moisture and dust, which can damage the bearings over time.
- 10. Consult Manufacturer Guidelines:
Follow the manufacturer’s guidelines and recommendations for maintenance, lubrication, and replacement intervals specific to the linear bearings you are using.
By implementing these maintenance practices, you can significantly prolong the life of linear bearings, reduce downtime, and ensure optimal performance in various applications.

Contribution of Linear Bearings to Smooth Movement of Conveyors and Linear Slides
Linear bearings play a crucial role in ensuring the smooth movement of industrial conveyors and linear slides by providing low-friction support and guiding mechanisms. Here’s how linear bearings contribute to their operation:
- Smooth Motion: Linear bearings offer precise and smooth linear motion to conveyors and linear slides, allowing materials or objects to move seamlessly along a defined path.
- Low Friction: The design of linear bearings minimizes friction between the moving parts, reducing energy consumption and wear. This is particularly important for conveyors and slides that require frequent and continuous movement.
- Guidance: Linear bearings guide the movement of the conveyor belts or linear slides, ensuring that they stay on track and follow the desired path without deviation.
- Load Support: Linear bearings provide support for both radial and axial loads, allowing conveyors to carry heavy loads and linear slides to accommodate objects or components without sacrificing smoothness.
- Precision: Linear bearings offer high precision and accuracy, which is essential for applications where precise positioning is required, such as in automated manufacturing processes.
- Reduced Noise and Vibration: Linear bearings contribute to quieter operation by reducing noise and absorbing vibrations generated during movement. This is beneficial in environments where noise reduction is important.
- Longevity: By minimizing friction and wear, linear bearings enhance the longevity of conveyors and linear slides, reducing the need for frequent maintenance and replacement.
In industrial settings, linear bearings ensure that conveyors efficiently transport materials, products, or components, while linear slides provide controlled and accurate movement for various applications. Whether in manufacturing, logistics, or automation, the use of linear bearings results in enhanced efficiency, reduced downtime, and improved overall performance.

Examples of Crucial Motion Control Scenarios Using Linear Bearings
Linear bearings are crucial for achieving precise motion control in various scenarios where accuracy, repeatability, and smooth movement are essential. Here are some examples:
- 1. CNC Machining:
In computer numerical control (CNC) machines, linear bearings enable precise movement of the cutting tool or workpiece along multiple axes. This accuracy is necessary to produce complex and intricate parts with tight tolerances.
- 2. Semiconductor Manufacturing:
In semiconductor fabrication equipment, linear bearings control the movement of wafers, masks, and other components with micron-level precision. This precision is vital for creating tiny circuits and microchips.
- 3. 3D Printing:
In 3D printers, linear bearings ensure accurate positioning of the print head and build platform. This accuracy is crucial for creating intricate and detailed 3D-printed objects.
- 4. Laser Cutting and Engraving:
Linear bearings are used in laser cutting and engraving machines to control the movement of the laser head. Precise motion ensures accurate cutting and engraving on various materials.
- 5. Microscopy:
In microscopy applications, linear bearings enable precise positioning of microscope stages and objectives. This accuracy is essential for capturing detailed images and conducting precise measurements.
- 6. Metrology and Inspection:
Linear bearings are crucial in metrology and inspection equipment for accurately measuring and inspecting parts. This ensures compliance with quality standards and specifications.
- 7. Optical Systems:
In optical systems, linear bearings control the movement of lenses, mirrors, and other optical components. Precise motion is essential for maintaining accurate focus and alignment.
- 8. Coordinate Measuring Machines (CMMs):
Linear bearings in CMMs allow accurate measurement of parts’ dimensions and geometries. Precise motion ensures reliable measurement results.
- 9. Aerospace and Defense Testing:
In aerospace and defense industries, linear bearings are used in testing equipment to simulate various conditions. Accurate motion control is crucial for testing components’ performance and durability.
These examples highlight the critical role of linear bearings in achieving precise motion control across industries. Whether in manufacturing, research, or testing, linear bearings ensure accurate and repeatable movement for optimal results.


editor by CX 2024-03-28