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Cross roller bearings, roller, and the outer round them, interval crossed at right angles to each other arrangement. They can also suffer from all directions ( such as the axial load, thrust or momentum loading ).
Because of the roller and the track surface status of contact, therefore, the bearing load and elastic deformation of the possibility is very small. This type of bearings are widely used in industrial automatic robot, mechanical work and medical facilities, need high rigidity, compact and high speed still can ensure accurate occasions.
In the cross roller bearings, cylindrical roller in because of V shape groove 90°rolling surface by the interval retainer are arranged vertically, so the 1 cross roller bearings can bear radial load, axial load and torque load, the load in all directions. The inner ring and the outer ring size is minimal miniaturization, especially very thin type is small size is close to the limit, and has the advantages of high rigidity, so the most suitable for industrial robot joint or rotating parts, machinery processing center of the rotary table, the manipulator of rotating parts, precision rotary table, medical equipment, measurement IC device, manufacturing device use.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 20BGR19S NSK | 20 | 37 | 9 |
| 17BGR19X NSK | 17 | 30 | 7 |