China wholesaler China Manufacturer Low Price Linear Grb Roller Guide Rails Bearing for CNC Kit double row ball bearing

Product Description

Product Description

GZB roller linear CZPT uses the roller to replace the ball, and the contact mode between the rollers and the raceway changes from point contact to linear contact, which greatly improves the rigidity of the rolling linear CZPT and enables the machine to maintain higher accuracy.GZB roller heavy loading linear CZPT contact angle between roller and raceway is 45°, so it has equal load in 4 directions.Roller cage prevents roller deflecting motion and moves stably. At the same time, it forms the oil film contact between roller and cage, avoid friction among rollers, reduce the heat roller and cage, avoid friction among rollers, reduce the heat precision movement.

Brand AZI China
Style With Flange or not
Accuracy 1,2,.3,4,5
Packing Cartons or wooden boxes
Delivery time 10~45days
Samples According to customer needs

Ball type:GZB25 – GZB125
Normal accuracy is interchangeable
Maximum motion accuracy 0.004/1000
Can meet the fast delivery
Max. Single length 6m
Max. single block load capacity is 192 tons
It’s widely used in power tool,spinning lathe,make-up machine and other heavy equipments

Product Parameters


Scope of application

Machining center,NC Lathe machine Grinding machine,Heavy machine.

GZB BA/BAL Rail size

Spec. Dimension of saaembly Dimension of rail Smallest end size Rail weight
H W1 B H0 dxD1xh F Max. single length Lmax a kg/m
40 12.5 23 24 7x11x9 30 6000 10 3.2
45 16 28 29.5 9x14x12 40 6000 13 4.5
55 18 34 31.2 9x14x12 40 6000 13 5.9
70 20.5 45 38 14x20x17 52.5 6000 15 10
80 23.5 53 44 16x23x20 60 6000 15 13.3
90 31.5 63 55 18x26x22 75 6000 20 20.3
GZB85BAL 110 35.5 85 73 24x35x28 90 6000 25 35.2
GZB100BAL 120 50 100 80 26x39x32 105 6000 30 46.8
GZB125BAL 160 57.5 125 115 33x48x45 120 6000 35 84.6

GZB BA/BAL Block size

Spec. Dimension of block Dynamic load rating Static load rating Block weight
k W L4 CW L Mxh1 T L2 H1 C(kN) C0(kN) kg
35.5 48 100
35 35
M6x8 9.5 66
4.5 27.7
39 60 109.8
40 40
M8x10 10 71
6 38.9
48.5 70 124
50 50
M8x12 12.5 79
6.5 57.9
62 86 154.6
60 60
M10x18 15 107.6
8 92.6
70 100 178.3
75 75
M12X18 18 125.5
10 130
76 126 219.2
76 70
M16x20 23 147
14 212
GZB85BAL 95 156 349 100 140 M18x25 30 254 15 460 945.2 14.7
GZB100BAL 105 200 394 130 200 M20x27 33 286 15 547 1330 24.5
GZB125BAL 135.5 240 491 184 205 M24x30 40 360 24.5 1040 1924 84.6

If you have any needs,pls feel free to contact us and we will send you our catalog for reference.

Main Products

Company Profile


1. Why choose AZI China?
With more than 60 years of production experience, quality assurance,factory directly price.

2. What is your main products ? 
Our Main products are consist of ball screw,linear guide,arc linear guide,ball spline and ball screw linear CZPT rail module.

3. How to Custom-made (OEM/ODM)?
If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.

4. When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.

5. How can I get a sample to check the quality?
We quote according to your drawing, the price is suitable, sign the sample list.

6Whats your payment terms?
Our payment terms is 30% deposit,balance against receiving copy of B/L or L/C sight.

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Application: Warehouse Crane, Shipboard Crane, Goods Yard Crane, Building Crane, Workshop Crane
Material: 100cr6
Carrying Capacity: Customized
Running Mode: Moving
Feature: Insulating, Antiseptic
Certification: ISO 9001:2000
US$ 10/Set
1 Set(Min.Order)

Request Sample



Customized Request

linear bearing

Differences between Open-Type and Closed-Type Linear Bearings

Open-type and closed-type linear bearings are two common variations used in linear motion systems, each with its own advantages and considerations:

  • 1. Open-Type Linear Bearings:

Open-type linear bearings, as the name suggests, have an open design that allows easy access to the bearing’s rolling elements and raceways. These bearings are characterized by:

  • Quick Maintenance: Open-type bearings are easier to clean, lubricate, and inspect due to their open structure, making maintenance more convenient.
  • Increased Contamination Risk: Because they are exposed, open-type bearings are more susceptible to dust, debris, and contamination, which can affect their performance and lifespan.
  • 2. Closed-Type Linear Bearings:

Closed-type linear bearings are enclosed within a housing or carriage that provides protection from external elements. These bearings offer the following features:

  • Enhanced Contamination Protection: Closed-type bearings are less vulnerable to contaminants and offer improved protection against dust, dirt, and debris, leading to longer service life.
  • Reduced Accessibility: Maintenance and inspection of closed-type bearings might be more complex due to the need to disassemble the housing or carriage for access.
  • Reduced Noise: The enclosed design of closed-type bearings can contribute to reduced noise levels, which is advantageous in noise-sensitive applications.

Choosing between open-type and closed-type linear bearings depends on the specific requirements of the application. If easy maintenance and accessibility are crucial, open-type bearings might be preferred. On the other hand, closed-type bearings offer better protection against contaminants and reduced noise, making them suitable for environments where cleanliness and quiet operation are essential.

linear bearing

Contribution of Linear Bearings to Smooth Movement of Conveyors and Slides

Linear bearings play a crucial role in ensuring the smooth movement and operation of industrial conveyors and linear slides. Their contributions are as follows:

  • Reduced Friction:

Linear bearings are designed to minimize friction between moving components, facilitating smooth motion of conveyors and linear slides. This reduces wear and tear, energy consumption, and the need for frequent maintenance.

  • Precision Movement:

Linear bearings enable precise positioning and controlled movement. This precision is vital for conveyors and slides that require accurate placement of materials, products, or components.

  • Stability and Load Distribution:

Linear bearings distribute loads evenly across the bearing surface, enhancing stability and preventing uneven wear. This is especially important for conveyors that handle varying loads and linear slides that support heavy components.

  • Quiet and Vibration-Free Operation:

Linear bearings contribute to quiet and vibration-free operation. This is crucial in environments where noise reduction and minimal vibrations are essential for the comfort of operators and the integrity of products.

  • Efficient Energy Transfer:

Linear bearings ensure efficient energy transfer by reducing energy losses due to friction. This efficiency is particularly beneficial in systems where multiple conveyors or slides are connected, improving overall system performance.

  • Longevity and Reliability:

Linear bearings enhance the longevity and reliability of conveyors and slides by reducing wear on moving parts. This results in extended operational lifespans and reduced downtime for maintenance.

  • Flexibility and Customization:

Linear bearings come in various designs and sizes, allowing for customization to suit specific conveyor or slide requirements. This adaptability is valuable for accommodating different loads and motion profiles.

  • Wide Range of Industries:

Linear bearings find application in industries such as manufacturing, logistics, packaging, and material handling, where conveyors and linear slides are essential components of the workflow.

In summary, linear bearings contribute significantly to the efficient, precise, and reliable movement of industrial conveyors and linear slides. Their ability to reduce friction, ensure stability, and support heavy loads enhances the overall performance of these systems.

linear bearing

Advantages of Linear Bearings over Other Bearing Types

Linear bearings offer several distinct advantages when compared to other types of bearings, particularly in applications that require controlled linear motion. These benefits contribute to their widespread use across various industries:

  • Precise Linear Motion:

Linear bearings are designed specifically for linear motion, providing accurate and controlled movement along a defined path. This precision is essential in applications that demand accurate positioning and repeatability.

  • Low Friction:

Linear bearings are designed to minimize friction during motion. The reduced friction translates to smoother movement, reduced wear, and improved efficiency, making them suitable for applications requiring consistent motion.

  • High Load Capacity:

Linear bearings can handle significant loads in both radial and axial directions. This capability allows them to support heavy components and maintain stability under various loads.

  • Minimal Maintenance:

Due to their design and minimal contact between moving parts, linear bearings require less maintenance compared to other types of bearings. This is particularly advantageous in hard-to-reach or inaccessible areas.

  • Guided Motion:

Linear bearings provide guided and constrained motion along a single axis. This guidance eliminates the need for complex guiding mechanisms, reducing design complexity and simplifying assembly.

  • Compact Design:

Linear bearings have a compact form factor, making them suitable for applications with limited space. Their small footprint allows for efficient use of available area.

  • Low Noise and Vibration:

Linear bearings generate minimal noise and vibration during operation, contributing to quieter and more comfortable working environments in applications such as medical devices and precision machinery.

  • Smooth Movement:

Linear bearings offer smooth and consistent movement, essential for applications requiring continuous and controlled motion, such as robotic systems and conveyor belts.

  • Customization:

Linear bearings can be designed to fit specific application requirements, including load capacity, travel distance, and environmental conditions. This customization enhances their suitability for diverse applications.

  • Reduced Wear:

The low friction and guided motion of linear bearings result in reduced wear on both the bearing and the mating surface, leading to longer service life and reduced maintenance costs.

Overall, the benefits of using linear bearings make them a preferred choice in applications that demand accurate linear motion, efficient load handling, and reduced maintenance. Their ability to deliver precision, stability, and reliability contributes to improved performance across various industries.

China wholesaler China Manufacturer Low Price Linear Grb Roller Guide Rails Bearing for CNC Kit   double row ball bearingChina wholesaler China Manufacturer Low Price Linear Grb Roller Guide Rails Bearing for CNC Kit   double row ball bearing
editor by CX 2024-05-14