CRB Series (Crossed Roller Thrust)
Material: Bearing Steel (Gcr15)
Precision: P5, P4, P2
Structure: Crossed Cylindrical Rollers
Bore Range: 20mm – 500mm
Speed Range: Up to 800 rpm
Application: Robot joints, rotary tables, medical scanners, radar antennas
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CRB Series crossed roller thrust bearings feature cylindrical rollers arranged in a crossed configuration between inner and outer rings, enabling them to handle axial, radial, and moment loads simultaneously from any direction. The crossed roller design provides extremely high rigidity and rotational accuracy, making these bearings ideal for precision rotary tables, industrial robot arm joints, medical CT scanners, radar antenna mounts, and other high-precision positioning systems.
Technical Specifications
| Bearing No. | Bore (d) mm | Outer Dia. (D) mm | Width (B) mm | Dyn. Load Cr (kN) | Stat. Load Cor (kN) | Ref. Speed (rpm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| CRB2008 | 20 | 36 | 8 | 2.90 | 3.90 | 3000 | 0.025 |
| CRB3010 | 30 | 55 | 10 | 5.10 | 7.20 | 2200 | 0.065 |
| CRB4010 | 40 | 65 | 10 | 5.80 | 8.50 | 1800 | 0.085 |
| CRB5013 | 50 | 80 | 13 | 9.50 | 14.5 | 1500 | 0.170 |
| CRB6016 | 60 | 95 | 16 | 14.5 | 22.5 | 1200 | 0.280 |
| CRB7016 | 70 | 105 | 16 | 16.0 | 25.5 | 1100 | 0.330 |
| CRB8020 | 80 | 120 | 20 | 22.0 | 36.0 | 950 | 0.520 |
| CRB10020 | 100 | 145 | 20 | 27.0 | 46.5 | 780 | 0.680 |
