China Good quality SBR Linear Guide Rail with Linear Block Bearing

Product Description

SBR Linear Xihu (West Lake) Dis. Rail with Linear Block Bearing



Linear slide units are widely used in electronic equipment, tensile testing machine and digital 3d coordinate measuring equipment such as precision equipment, and multi-axis machine tools, automatic punching machine, printer, card sorting machine, industrial machinery, such as food packages installed the sliding parts.

Full Type of Linear Slide Block Bearing Series

SK..    SH..A SK8 to SK60

SBR10UU 10 15 18 36 32 24 7 6 80° 25 20 M5 10 38 56 0.065
SBR13UU 13 17 20 40 39 27.6 8 8.5 80° 28 26 M5 10 52 80 0.100
SBR16UU 16 20 22.5 45 45 33 9 10 80° 32 30 M5 12 59 91 0.150
SBR20UU 20 23 24 48 50 39 11 10 60° 35 35 M6 12 88 140 0.200
SBR25UU 25 27 30 60 65 47 14 11.5 50° 40 40 M6 12 100 160 0.45
SBR30UU 30 33 35 70 70 56 15 14 50° 50 50 M8 18 160 280 0.63
SBR35UU 35 37 40 80 80 63 18 16 50° 55 55 M8 18 170 320 0.92
SBR40UU 40 42 45 90 90 72 20 19 50° 65 65 M10 20 220 410 1.33
SBR50UU 50 53 60 120 110 92 25 23 50° 94 80 M10 20 390 810 3.00
SBR16LUU 16 20 22.5 45 85 33 9 10 80° 32 60 M5 12 155 236 0.3
SBR20LUU 20 23 24 48 96 39 11 10 60° 35 70 M6 12 176 274 0.4
SBR25LUU 25 27 30 60 130 47 14 11.5 50° 40 100 M6 12 196 314 0.9
SBR30LUU 30 33 35 70 140 56 15 14 50° 50 110 M8 18 314 648 1.26
SBR40LUU 40 42 45 90 175 72 20 19 50° 65 180 M10 20 432 804 2.66

Product introduction:

    Linear bearing is a linear motion system, used for linear travel and cylindrical axis.Due to coat point contact ball bearing with bearing, steel ball roll with minimum friction resistance, so the linear bearing small friction, and relatively stable, not over bearing speed changes, and can obtain high sensitivity, high precision of stationary linear motion. 

Our packaging is also very variable, the purpose is to meet the needs of different customers.The commonly used packages are as follows:
1.Industrial package



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Feature: High Speed
Function: Super
Flange Shape: Circular
Shape: Straight
Series: Sc,Scs.Sce
Material: Bearing Steel
US$ 1/Piece
1 Piece(Min.Order)




linear rail

What are the reliability and durability aspects of linear rails in ensuring consistent linear movement?

The reliability and durability of linear rails are critical for ensuring consistent linear movement in various applications. Here are key aspects that contribute to their reliability and durability:

  • Materials: High-quality materials, such as hardened steel or reinforced alloys, are used in the construction of linear rails. These materials provide the necessary strength, wear resistance, and durability to withstand the stresses of continuous linear motion.
  • Surface Treatments: Surface treatments, including coatings and finishes, are applied to protect the linear rails from corrosion, abrasion, and other forms of wear. These treatments enhance the longevity of the rails, ensuring they maintain their performance over time.
  • Lubrication: Proper lubrication is essential for reducing friction between the rail and carriage. Lubrication not only minimizes wear but also contributes to smooth and consistent linear movement. Lubrication intervals and the choice of lubricants impact the overall reliability and performance of the linear rail system.
  • Sealing: Sealing mechanisms are employed to protect the internal components of the linear rail system from contaminants such as dust, debris, and moisture. Effective sealing enhances the reliability of the system by preventing damage to critical components and minimizing the risk of malfunction.
  • Rigidity: The rigidity of linear rails is crucial for maintaining consistent linear movement, especially under varying loads. Rigidity prevents deflection or bending of the rail, ensuring that the carriage follows a precise and predictable path during operation.
  • Load-Bearing Capacity: The load-bearing capacity of linear rails is a key factor in their reliability. Properly sized linear rails that match the application’s load requirements ensure consistent performance and prevent premature wear or failure.
  • Manufacturing Precision: High manufacturing precision in the production of linear rails contributes to their reliability. Precise machining and assembly processes result in consistent dimensions and tolerances, ensuring that the rail and carriage components fit together seamlessly for reliable linear motion.

Reliability and durability go hand in hand in ensuring consistent linear movement over the lifespan of the linear rail system. Regular maintenance, including inspections, lubrication, and replacement of worn components, further contributes to the sustained reliability of linear rails in industrial and automation applications.

linear rail

Can you explain the principles behind linear rail operation and load-bearing capabilities?

The operation of linear rails and their load-bearing capabilities are governed by fundamental principles:

1. Rolling Contact: Linear rails typically utilize rolling contact elements, such as recirculating ball or roller bearings, between the rail and the carriage. These elements reduce friction and enable smooth motion by rolling along the profiled surface of the rail.

2. Profiled Rail Design: The rail is designed with a specific profile, often featuring raceways for the rolling elements. This profile provides guidance to the carriage, ensuring that it moves along a predetermined path without deviations.

3. Load Distribution: The load-bearing capabilities of linear rails are achieved through the distribution of the applied load across the rolling elements. This design allows for the effective support of loads, both radial and axial, while minimizing stress on individual components.

4. Rigidity: Linear rails are designed to be rigid, preventing deflection or bending during operation. This rigidity is essential for maintaining accuracy and precision, especially in applications where high loads or forces are involved.

5. Lubrication: Proper lubrication is crucial for reducing friction and minimizing wear between the rolling elements and the rail. Lubrication also helps dissipate heat generated during operation, contributing to the overall efficiency and longevity of the linear rail system.

6. Materials and Construction: The materials used in the construction of linear rails, such as hardened steel or reinforced alloys, contribute to their load-bearing capabilities. The choice of materials ensures durability and resistance to wear under various operating conditions.

Overall, the combination of rolling contact, profiled rail design, load distribution, rigidity, lubrication, and appropriate materials enables linear rails to operate efficiently and support varying loads in industrial applications. Understanding these principles is essential for selecting the right linear rail system based on the specific requirements of a given application.

linear rail

How do linear rails differ from other linear motion components like linear guides or bearings?

While linear rails, linear guides, and bearings are all components used in linear motion systems, they differ in their design, functions, and applications:

Linear Rails: Linear rails typically consist of a long, rigid rail and a carriage that moves along the rail. The rail has a specially designed profile to provide guidance, and the carriage supports and carries the load. Linear rails are known for their ability to handle high loads, offer precise linear motion, and reduce friction for smooth movement.

Linear Guides: Linear guides encompass a broader category that includes linear rails. Linear guides refer to any mechanism that guides linear motion. Linear rails are a specific type of linear guide with a distinctive profile. Linear guides, in a general sense, can include other mechanisms like dovetail slides, boxway guides, and more, each with its own design and application.

Bearings: Bearings are components that reduce friction between moving parts and support radial or axial loads. While linear rails may incorporate bearings within their design, bearings, in a broader sense, can be standalone components used to support rotating or linear motion. Linear bearings, for example, specifically support linear motion and may be used independently or as part of a linear rail system.

In summary, linear rails are a specific type of linear guide with a defined rail and carriage design, whereas linear guides encompass a broader category. Bearings, on the other hand, are components that reduce friction and support loads, and linear bearings specifically cater to linear motion.

China Good quality SBR Linear Guide Rail with Linear Block Bearing  China Good quality SBR Linear Guide Rail with Linear Block Bearing
editor by Dream 2024-05-09