NSK轴承
BNR20，BER20加宽系列带密封圈超高速角接触球轴承（加宽系列） BNR20系列：公称接触角α=18° BER20系列：公称接触角α=25° |  |
| 型号 | 主要尺寸 | 基本载荷 | 极限轴向负荷 ( KN ) | 作用点位置 ( mm ) | 重量 ( kg ) | 极限转速 | |||||
| d | D | B | r | r1 | 动载 ( KN ) | 静载 ( KN ) | 脂 | ||||
| 30BNR20SV1V | 30 | 55 | 16 | 1 | 0.6 | 8.65 | 5.75 | 8.2 | 14.9 | 0.15 | 33000 |
| 30BNR20HV1V | 30 | 55 | 16 | 1 | 0.6 | 8.65 | 5.75 | 5.35 | 14.9 | 0.142 | 42400 |
| 30BNR20XV1V | 30 | 55 | 16 | 1 | 0.6 | 8.65 | 5.75 | 5.35 | 14.9 | 0.142 | 49500 |
| 30BER20SV1V | 30 | 55 | 16 | 1 | 0.6 | 8.3 | 5.5 | 9.65 | 17.9 | 0.15 | 28300 |
| 30BER20HV1V | 30 | 55 | 16 | 1 | 0.6 | 8.3 | 5.5 | 6.5 | 17.9 | 0.142 | 37700 |
| 30BER20XV1V | 30 | 55 | 16 | 1 | 0.6 | 8.3 | 5.5 | 6.5 | 17.9 | 0.142 | 44800 |
| 35BNR20SV1V | 35 | 62 | 17 | 1 | 0.6 | 10.1 | 7.1 | 10.2 | 16.4 | 0.197 | 28900 |
| 35BNR20HV1V | 35 | 62 | 17 | 1 | 0.6 | 10.1 | 7.1 | 6.7 | 16.4 | 0.187 | 37200 |
| 35BNR20XV1V | 35 | 62 | 17 | 1 | 0.6 | 10.1 | 7.1 | 6.7 | 16.4 | 0.187 | 43300 |
| 35BER20SV1V | 35 | 62 | 17 | 1 | 0.6 | 9.7 | 6.85 | 12 | 19.8 | 0.197 | 24800 |