RB Series (Standard Crossed Roller)
Structure: Standard Crossed Roller / Outer Ring Split
Material: Bearing Steel (Gcr15) / SUJ2
Precision: P5, P4, P2
Rigidity: High
Mounting Type: Through-bolt Mounting Holes
Bore Range: 50mm – 500mm
Application: Industrial robot joints, welding positioners, turntable machinery
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The RB Series standard crossed roller bearings feature an outer ring split design for straightforward mounting into precision housings. The orthogonal roller arrangement provides high rigidity and running accuracy across all load directions. The go-to solution for industrial robot joints, welding positioners, and turntable machinery requiring reliable precision rotation.
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) |
|---|---|---|---|---|---|---|---|
| RB5013 | 50 | 80 | 13 | 16.7 | 20.9 | 1200 | 0.27 |
| RB6013 | 60 | 90 | 13 | 18.8 | 24.3 | 1000 | 0.30 |
| RB7013 | 70 | 100 | 13 | 19.9 | 27.3 | 900 | 0.35 |
| RB8016 | 80 | 120 | 16 | 29.7 | 41.0 | 750 | 0.70 |
| RB9016 | 90 | 130 | 16 | 31.3 | 45.5 | 650 | 0.75 |
| RB10020 | 100 | 150 | 20 | 33.5 | 52.5 | 550 | 1.45 |
| RB11020 | 110 | 160 | 20 | 35.0 | 58.0 | 500 | 1.55 |
| RB12025 | 120 | 180 | 25 | 41.5 | 70.5 | 450 | 2.60 |
| RB13025 | 130 | 190 | 25 | 43.0 | 76.0 | 400 | 2.85 |
| RB14025 | 140 | 200 | 25 | 46.0 | 82.5 | 380 | 2.95 |
| RB15030 | 150 | 220 | 30 | 79.0 | 157 | 350 | 4.50 |
| RB16030 | 160 | 230 | 30 | 81.5 | 167 | 320 | 4.80 |
| RB17030 | 170 | 240 | 30 | 84.0 | 175 | 300 | 5.10 |
| RB18030 | 180 | 250 | 30 | 86.5 | 185 | 280 | 5.30 |
| RB19030 | 190 | 260 | 30 | 88.0 | 194 | 260 | 5.60 |
| RB20030 | 200 | 270 | 30 | 89.5 | 202 | 250 | 5.80 |
| RB25040 | 250 | 340 | 40 | 148 | 370 | 200 | 12.0 |
| RB30040 | 300 | 400 | 40 | 161 | 420 | 170 | 14.5 |
