CRBH Crossed roller bearings
CRBH CROSSED ROLLER BEARINGS
CRBH Series
The CRBH Series is most suited to applications where both inner and outer ring rotation is required such as the joints for industrial robots.
The rolling elements are inserted through a filling slot in the outer ring. The bearings must not be disassembled under any circumstances as this will affect the bearing’s performance.
The basic sizes are tabulated below. More details are available in the QCB Precision Bearings catalogue
| Outline dimensions | Housing Ø | Load capacity | Weight | ||||||
|---|---|---|---|---|---|---|---|---|---|
| QCB reference | Di | Da | H | r min | ds | dh | C | Co | |
| mm | mm | mm | mm | mm | mm | KN | KN | kg | |
| CRBH 208 | 20 | 36 | 8 | 0.5 | 22.8 | 31.2 | 2.9 | 2.4 | 0.04 |
| CRBH 258 | 25 | 41 | 8 | 0.5 | 27.8 | 36.2 | 3.13 | 2.8 | 0.05 |
| CRBH 3010 | 30 | 55 | 10 | 0.6 | 35.8 | 47.2 | 7.6 | 8.4 | 0.12 |
| CRBH 3510 | 35 | 60 | 10 | 0.6 | 40.8 | 52.2 | 7.9 | 9.1 | 0.13 |
| CRBH 4010 | 40 | 65 | 10 | 0.6 | 46.3 | 57.7 | 8.6 | 10.6 | 0.15 |
| CRBH 4510 | 45 | 70 | 10 | 0.6 | 51.8 | 63.2 | 8.9 | 11.3 | 0.16 |
| CRBH 5013 | 50 | 80 | 13 | 0.6 | 57.9 | 72.1 | 17.3 | 20.9 | 0.29 |
| CRBH 6013 | 60 | 90 | 13 | 0.6 | 67.9 | 82.1 | 18.8 | 24.3 | 0.33 |
| CRBH 7013 | 70 | 100 | 13 | 0.5 | 75.2 | 89.4 | 20.1 | 27.7 | 0.38 |
| CRBH 8016 | 80 | 120 | 16 | 0.6 | 91.5 | 108.5 | 32.1 | 43.4 | 0.74 |
| CRBH 9016 | 90 | 130 | 16 | 0.6 | 99.5 | 116.5 | 33.1 | 46.8 | 0.81 |
| CRBH 10016 | 100 | 140 | 16 | 1 | 111.7 | 128.7 | 31.7 | 48.6 | 0.83 |
| CRBH 10020 | 100 | 150 | 20 | 1 | 110.7 | 133.3 | 50.9 | 72.2 | 1.45 |
| CRBH 11012 | 110 | 135 | 12 | 0.6 | 116 | 127.5 | 12.5 | 24.1 | 0.40 |
| CRBH 11015 | 110 | 145 | 15 | 0.6 | 118 | 135 | 23.7 | 41.5 | 0.75 |
| CRBH 11020 | 110 | 160 | 20 | 1 | 120.7 | 143.3 | 52.4 | 77.4 | 1.56 |
| CRBH 12016 | 120 | 150 | 16 | 0.8 | 125.4 | 139.6 | 24.2 | 43.2 | 0.72 |
| CRBH 12025 | 120 | 180 | 25 | 1.5 | 134.2 | 162.4 | 73.4 | 108 | 2.62 |
| CRBH 13015 | 130 | 160 | 15 | 0.6 | 136 | 150 | 25 | 46.7 | 0.72 |
| CRBH 13025 | 130 | 190 | 25 | 1.5 | 143.9 | 172 | 75.9 | 115 | 2.82 |
| CRBH 14016 | 140 | 175 | 16 | 0.6 | 146.3 | 163.3 | 25.9 | 50.1 | 1.00 |
| CRBH 14025 | 140 | 200 | 25 | 1 | 153.9 | 182 | 81.9 | 130 | 2.96 |
| CRBH 15013 | 150 | 180 | 13 | 0.6 | 156.9 | 171.1 | 27 | 53.5 | 0.68 |
| CRBH 15025 | 150 | 210 | 25 | 1 | 165.9 | 194.1 | 84.3 | 138 | 3.16 |
| CRBH 15030 | 150 | 230 | 30 | 1.5 | 166.8 | 209.2 | 100 | 156 | 5.3 |
| CRBH 16025 | 160 | 220 | 25 | 1.5 | 173.9 | 202.1 | 81.7 | 135 | 3.14 |
| CRBH 17020 | 170 | 220 | 20 | 1.5 | 180.7 | 203.3 | 29 | 62.1 | 2.21 |
| CRBH 18025 | 180 | 240 | 25 | 1.5 | 193.9 | 222.1 | 84 | 143 | 3.44 |
| CRBH 19025 | 190 | 240 | 25 | 1 | 207 | 223.3 | 41.7 | 82.9 | 2.99 |
| CRBH 20025 | 200 | 260 | 25 | 1.5 | 215.9 | 244.1 | 92.3 | 169 | 4.0 |
| CRBH 20030 | 200 | 280 | 30 | 2 | 218.8 | 261.2 | 114 | 200 | 6.7 |
| CRBH 20035 | 200 | 295 | 35 | 2 | 226.5 | 268.9 | 151 | 252 | 9.6 |
| CRBH 22025 | 220 | 280 | 25 | 1.5 | 254.9 | 283.1 | 92.3 | 171 | 4.1 |
| CRBH 24025 | 240 | 300 | 25 | 2 | 263.4 | 291.6 | 68.3 | 145 | 4.5 |
| CRBH 25025 | 250 | 310 | 25 | 2 | 234.4 | 262.6 | 102 | 207 | 4.97 |
| CRBH 25030 | 250 | 330 | 30 | 2.5 | 270.5 | 304.5 | 126 | 244 | 8.1 |
| CRBH 25040 | 250 | 355 | 40 | 2.5 | 278.1 | 323.3 | 195 | 348 | 14.8 |
| CRBH 30025 | 300 | 360 | 25 | 1.5 | 313.9 | 342.1 | 75.5 | 178 | 5.9 |
| CRBH 30035 | 300 | 395 | 35 | 2.5 | 323.8 | 366.2 | 183 | 367 | 13.4 |
| CRBH 30040 | 300 | 405 | 40 | 2.5 | 330.4 | 372.8 | 212 | 409 | 17.2 |
| CRBH 35020 | 350 | 400 | 20 | 1 | 362.1 | 384.7 | 54.1 | 143 | 3.9 |
| CRBH 40035 | 400 | 480 | 35 | 2.5 | 422 | 456 | 156 | 370 | 14.5 |
| CRBH 40040 | 400 | 510 | 40 | 2.5 | 429.8 | 472 | 241 | 531 | 23.5 |
| CRBH 45025 | 450 | 500 | 25 | 1 | 460.7 | 483.3 | 61.7 | 182 | 6.6 |
| CRBH 50025 | 500 | 550 | 25 | 1 | 512.9 | 535.5 | 65.5 | 201 | 7.3 |
| CRBH 50040 | 500 | 600 | 40 | 2.5 | 527.6 | 570 | 239 | 607 | 26 |
| CRBH 50050 | 500 | 625 | 50 | 2.5 | 533.3 | 589.9 | 267 | 653 | 41.7 |
| CRBH 60040 | 600 | 700 | 40 | 3 | 625.8 | 668.2 | 264 | 721 | 29 |
Characteristics
Very rigid and accurate bearing systems that support axial, radial and moment loads with high running accuracy
- Available with clearance or preload (i.e. after installation)
- Available in Normal, P6, P5, P4 and P2 precision grades in diameters from 20 – 600mm diameter bore
- Also available with seals
Numbering system
Example: CRBH 12025 UU CC0 P5
CRBH Model
120 Bore diameter
25 Thickness
UU Sealed both sides / leave blank for no seal
CC0 CC0 = light preload; C0 or C1 = positive clearance
P5 Precision grade
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