THK RB系列精密交叉滚子轴承具有高刚性，重量轻，结构紧密，承载能力强的特点，可提供高而稳定的回转精度，适合空间有限的场合，及对内圈回转精度要求高的场合使用，如精密检测仪，机器人关节，直驱力矩电机，高精度回转台等。
RB系列交叉滚子轴承属于最基本的交叉滚子轴承类型，与IKO CRB系列交叉滚子回转支承部分型号通用，其结构为内圈整体，外圈分体式，适合内圈回转，外圈固定的场合使用。
RB系列交叉滚子轴承型号
| Model No. | d | D | B | C | Co | Mass | Equivalent Models | |
| mm | mm | mm | kN | kN | kg | IKO | NSK | |
| RB2008 | 20 | 36 | 8 | 3.23 | 3.1 | 0.04 | ||
| RB2508 | 25 | 41 | 8 | 3.63 | 3.83 | 0.05 | NRXT2508 | |
| RB3010 | 30 | 55 | 10 | 7.35 | 8.36 | 0.12 | CRB3010 | |
| RB3510 | 35 | 60 | 10 | 7.64 | 9.12 | 0.13 | ||
| RB4010 | 40 | 65 | 10 | 8.33 | 10.6 | 0.16 | CRB4010 | NRXT4010 |
| RB4510 | 45 | 70 | 10 | 8.62 | 11.3 | 0.17 | ||
| RB5013 | 50 | 80 | 13 | 16.7 | 20.9 | 0.27 | CRB5013 | NRXT5013 |
| RB6013 | 60 | 90 | 13 | 18 | 24.3 | 0.3 | CRB6013 | NRXT6013 |
| RB7013 | 70 | 100 | 13 | 19.4 | 27.7 | 0.35 | CRB7013 | NRXT7013 |
| RB8016 | 80 | 120 | 16 | 30.1 | 42.1 | 0.7 | CRB8016 | NRXT8016 |
| RB9016 | 90 | 130 | 16 | 31.4 | 45.3 | 0.75 | CRB9016 | NRXT9016 |
| RB10016 | 100 | 140 | 16 | 31.7 | 48.6 | 0.83 | ||
| RB10020 | 100 | 150 | 20 | 33.1 | 50.9 | 1.45 | CRB10020 | NRXT10020 |
| RB11012 | 110 | 135 | 12 | 12.5 | 24.1 | 0.4 | ||
| RB11015 | 110 | 145 | 15 | 23.7 | 41.5 | 0.75 | ||
| RB11020 | 110 | 160 | 20 | 34 | 54 | 1.56 | CRB11020 | NRXT11020 |
| RB12016 | 120 | 150 | 16 | 24.2 | 43.2 | 0.72 | ||
| RB12025 | 120 | 180 | 25 | 66.9 | 100 | 2.62 | CRB12025 | NRXT12025 |
| RB13015 | 130 | 160 | 15 | 25 | 46.7 | 0.72 | ||
| RB13025 | 130 | 190 | 25 | 69.5 | 107 | 2.82 | CRB13025 | NRXT13025 |
| RB14016 | 140 | 175 | 16 | 25.9 | 50.1 | 1 | ||
| RB14025 | 140 | 200 | 25 | 74.8 | 121 | 2.96 | CRB14025 | NRXT14025 |
| RB15013 | 150 | 180 | 13 | 27 | 53.5 | 0.68 | ||
| RB15025 | 150 | 210 | 25 | 76.8 | 128 | 3.16 | CRB15025 | NRXT15025 |
| RB15030 | 150 | 230 | 30 | 100 | 156 | 5.3 | CRB15030 | NRXT15030 |
| RB16025 | 160 | 220 | 25 | 81.7 | 135 | 3.14 | ||
| Model No. | d | D | B | C | Co | Mass | Equivalent Models | |
| mm | mm | mm | kN | kN | kg | IKO | NSK | |
| RB17020 | 170 | 220 | 20 | 29 | 62.1 | 2.21 | ||
| RB18025 | 180 | 240 | 25 | 84 | 143 | 3.44 | ||
| RB19025 | 190 | 240 | 25 | 41.7 | 82.9 | 2.99 | ||
| RB20025 | 200 | 260 | 25 | 84.2 | 157 | 4 | CRB20025 | NRXT20025 |
| RB20030 | 200 | 280 | 30 | 114 | 200 | 6.7 | CRB20030 | NRXT20030 |
| RB20035 | 200 | 295 | 35 | 151 | 252 | 9.6 | CRB20035 | |
| RB22025 | 220 | 280 | 25 | 92.3 | 171 | 4.1 | ||
| RB24025 | 240 | 300 | 25 | 68.3 | 145 | 4.5 | ||
| RB25025 | 250 | 310 | 25 | 69.3 | 150 | 5 | CRB25025 | NRXT25025 |
| RB25030 | 250 | 330 | 30 | 126 | 244 | 8.1 | CRB25030 | NRXT25030 |
| RB25040 | 250 | 355 | 40 | 195 | 348 | 14.8 | CRB25040 | |
| RB30025 | 300 | 360 | 25 | 76.3 | 178 | 5.9 | CRB30025 | NRXT30025 |
| RB30035 | 300 | 395 | 35 | 183 | 367 | 13.4 | CRB30035 | NRXT30035 |
| RB30040 | 300 | 405 | 40 | 212 | 409 | 17.2 | CRB30040 | NRXT30040 |
| RB35020 | 350 | 400 | 20 | 54.1 | 143 | 3.9 | ||
| RB40035 | 400 | 480 | 35 | 156 | 370 | 14.5 | CRB40035 | NRXT40035 |
| RB40040 | 400 | 510 | 40 | 241 | 531 | 23.5 | CRB40040 | NRXT40040 |
| RB45025 | 450 | 500 | 25 | 61.7 | 182 | 6.6 | ||
| RB50025 | 500 | 550 | 25 | 65.5 | 201 | 7.3 | ||
| RB50040 | 500 | 600 | 40 | 239 | 607 | 26 | CRB50040 | NRXT50040 |
| RB50050 | 500 | 625 | 50 | 267 | 653 | 41.7 | CRB50050 | NRXT50050 |
| RB60040 | 600 | 700 | 40 | 264 | 721 | 29 | CRB60040 | NRXT60040 |
| RB70045 | 700 | 815 | 45 | 281 | 836 | 46 | CRB70045 | |
| RB80070 | 800 | 950 | 70 | 468 | 1330 | 105 | CRB80070 | |
| RB90070 | 900 | 1050 | 70 | 494 | 1490 | 120 | ||
| RB1000110 | 1000 | 1250 | 110 | 1220 | 3220 | 360 | ||
| RB1250110 | 1250 | 1500 | 110 | 1350 | 3970 | 440 | ||
| Model No. | d | D | B | C | Co | Mass | Equivalent Models | |
| mm | mm | mm | kN | kN | kg | IKO | NSK | |
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