CRBT Series Crossed Roller Bearings are precision bearings known for their ultra-thin, high-rigidity design. They are specifically designed for applications where space-saving, light weight, high rigidity, and precise rotational accuracy are essential. The CRBT Series is ideal for use in compact machinery and equipment where the installation space is limited but high performance is needed. The rollers are arranged in a crisscross pattern, positioned at right angles to each other. This design allows the bearing to handle radial, axial, and moment loads simultaneously, providing excellent stability and rigidity. The crossed roller arrangement ensures even load distribution, reducing the risk of deformation and wear, and enhancing the bearing's overall performance and service life.
In the world of mechanical engineering and motion control technology, the CRBT series mini crossed roller bearings stand out as a reliable and versatile solution. With their unique design and superior functionality, these bearings offer significant advantages for various applications. This article aims to provide a comprehensive overview of the CRBT series, highlighting its features, advantages, and common fields of application.
The CRBT series mini crossed roller bearings boast several notable features that set them apart from conventional bearing solutions:
1.1. Compact Design:
Designed with a compact structure, the CRBT series allows for space-saving installations without compromising on performance. This makes them particularly suitable for applications where limited space is a constraint.
1.2. High Load Capacity:
Despite their small size, the CRBT series bearings demonstrate exceptional load-bearing capabilities. They are specifically engineered to withstand heavy radial, axial, and moment loads, making them ideal for demanding operations.
1.3. Rigidity and Precision:
Featuring a crossed roller arrangement, the CRBT series exhibits high rigidity and precision. This enables precise positioning and stable performance, critical factors in industries such as robotics, automation, and medical equipment.
1.4. Low Friction and Smooth Operation:
With their optimized design, the CRBT series bearings reduce friction, ensuring smooth and efficient operation. This leads to reduced energy consumption and extended lifespan, making them a cost-effective choice for long-term usage.
The CRBT series mini crossed roller bearings offer several advantages to equipment manufacturers and end-users:
2.1. Enhanced Durability:
Manufactured from high-quality materials and precise manufacturing processes, the CRBT series bearings exhibit exceptional durability, ensuring reliable performance even under challenging conditions.
2.2. Superior Load Distribution:
The crossed roller arrangement within the CRBT series enhances load distribution across the bearing, reducing stress concentration and prolonging the overall lifespan of the equipment.
2.3. Flexibility and Versatility:
The compact size and versatile design of the CRBT series enable their application in a wide range of industries and machinery. From precision robotics to medical and laboratory equipment, these bearings can be tailored to meet specific requirements.
2.4. Cost-Effective Solution:
Considering their long lifespan, low maintenance requirements, and high load capacity, the CRBT series mini crossed roller bearings offer a cost-effective solution in comparison to other bearing alternatives.
The versatility and performance of the CRBT series make them suitable for various application fields, including but not limited to:
3.1. Robotics and Automation:
CRBT series bearings find extensive usage in robotics and automation systems, contributing to precise motion control, robotic arms, articulated joints, and other robotic mechanisms.
3.2. Precision Equipment:
In precision equipment such as CNC machines, optical devices, and measuring instruments, the CRBT series bearings ensure smooth and accurate positioning, guaranteeing reliable and precise outcomes.
3.3. Medical and Laboratory Equipment:
The CRBT series can be found in medical and laboratory equipment where precision, stability, and hygiene are critical. Examples include medical scanners, incubators, and microscopes.
3.4. Semiconductor Industry:
CRBT series bearings play a crucial role in semiconductor manufacturing and inspection equipment, facilitating precise and consistent processes in wafer handling, lithography, and testing applications.
Shaft dia.(mm) |
Identification Number | Boundary Dimensions (mm) |
Mounting Dimensions (mm) |
Basic Dynamic Load Ratin(C) |
Basic Static Load Rating (C0) |
Mass (Ref.) g |
||||
d | D | B | rmin | da | Da | N | N | |||
10 | CRBT105A | 10 | 21 | 5 | 0.15 | 12.5 | 17 | 1120 | 811 | 9 |
15 | CRBT155A | 15 | 26 | 5 | 0.15 | 17.5 | 22 | 1320 | 1110 | 11.9 |
20 | CRBT205A | 20 | 31 | 5 | 0.15 | 22.5 | 27 | 1400 | 1290 | 14.8 |
30 | CRBT305A | 30 | 41 | 5 | 0.15 | 32.5 | 37 | 1770 | 1970 | 20.7 |
40 | CRBT405A | 40 | 51 | 5 | 0.15 | 42.5 | 47 | 2200 | 2520 | 26.5 |
50 | CRBT505A | 50 | 61 | 5 | 0.15 | 52.5 | 57 | 2280 | 3200 | 32.3 |
60 | CRBT605A | 60 | 71 | 5 | 0.15 | 62.5 | 67 | 2.63 | 4.09 | 38 |
70 | CRBT705A | 70 | 81 | 5 | 0.15 | 72.5 | 77 | 2.81 | 4.68 | 44 |
80 | CRBT805A | 80 | 91 | 5 | 0.15 | 82.5 | 87 | 3.05 | 5.43 | 50 |