CRBS Series (Super Thin Crossed Roller)
Structure: Super Thin Crossed Roller / Ultra-Compact
Material: Bearing Steel (Gcr15) / SUJ2
Precision: P5, P4, P2
Rigidity: Medium
Mounting Type: Through-bolt / Press-fit
Bore Range: 20mm – 150mm
Application: Miniature rotary joints, optical rotary stages, semiconductor wafer handling, compact automation
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The CRBS Series super-thin crossed roller bearings push the boundaries of compact crossed roller technology, achieving remarkable rigidity-to-thickness ratios. The ultra-thin profile enables precision rotary guidance in the most space-constrained designs. Critical for miniature rotary joints, optical rotary stages, and semiconductor wafer handling robotics.
Technical Specifications
| Bearing No. | Bore (d) mm | Outer Dia. (D) mm | Width (B) mm | Dyn. Load Cr (kN) | Stat. Load Cor (kN) | Max Speed (rpm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| CRBS1008 | 50 | 66 | 8 | 5.10 | 7.19 | 1000 | 0.08 |
| CRBS1108 | 55 | 71 | 8 | 5.50 | 7.80 | 950 | 0.09 |
| CRBS1208 | 60 | 76 | 8 | 5.68 | 8.34 | 900 | 0.09 |
| CRBS1308 | 65 | 81 | 8 | 6.05 | 8.88 | 850 | 0.10 |
| CRBS1508 | 75 | 91 | 8 | 6.80 | 10.3 | 750 | 0.11 |
| CRBS2008 | 100 | 116 | 8 | 7.15 | 12.4 | 600 | 0.14 |
| CRBS2508 | 125 | 141 | 8 | 7.84 | 14.5 | 500 | 0.17 |
| CRBS3013 | 150 | 180 | 13 | 13.8 | 27.5 | 400 | 0.55 |
| CRBS4013 | 200 | 236 | 13 | 15.7 | 34.5 | 300 | 0.80 |
