双列调心球轴承拥有两排钢球,外圈球面滚道,具备优良自动调心性能,可补偿安装不对中和轴弯曲变形。主要承受径向载荷,同时可承受少量双向轴向载荷。极限转速优于调心滚子轴承,承载能力偏低。可选开式与密封型号,配备冲压保持架。适合传动轴、纺织机械、输送设备、中小型风机等易出现同轴度偏差、轻中载荷工况。
| 轴承型号 | 基础尺寸(mm) | 基本载荷 (KN) |
转速 (rpm) |
轴承重量 | |||||
|---|---|---|---|---|---|---|---|---|---|
| 圆柱孔 | 圆锥孔 | d 内径 |
D 外径 |
B 厚度 |
动负荷 Cr |
静负荷 Cor |
脂润滑 | 油润滑 | |
| 1310A | 131OAK | 50 | 110 | 27 | 43.3 | 14 | 5600 | 6700 | 1.17 |
| 2210ATN | 2210AKTN | 50 | 90 | 23 | 33.6 | 11.3 | 6300 | 7500 | 0.559 |
| 221OA | 221OAK | 50 | 90 | 23 | 33.6 | 11.3 | 6300 | 7500 | 0.559 |
| 1210ATN | 1210AKTN | 50 | 90 | 20 | 26.5 | 9.15 | 7000 | 8500 | 0.525 |
| 1210A | 1210AK | 50 | 90 | 20 | 26.5 | 9.15 | 7000 | 8500 | 0.525 |
| 2309ATN | 2309AKTN | 45 | 100 | 36 | 63.7 | 19.3 | 5600 | 6700 | 1.25 |
| 2309A | 2309AK | 45 | 100 | 36 | 63.7 | 19.3 | 5600 | 6700 | 1.25 |
| 1309ATN | 1309AKTN | 45 | 100 | 25 | 38 | 13.4 | 6300 | 7500 | 0.932 |
| 1309A | 1309AK | 45 | 100 | 25 | 38 | 13.4 | 6300 | 7500 | 0.932 |
| 2209ATN | 2209AKTN | 45 | 85 | 23 | 32 | 10.6 | 7000 | 8500 | 0.526 |
| 2209A | 2209AK | 45 | 85 | 23 | 32 | 10.6 | 7000 | 8500 | 0.526 |
| 1209ATN | 1209AKTN | 45 | 85 | 19 | 21.7 | 9.56 | 7500 | 9000 | 0.473 |
| 1209A | 1209AK | 45 | 85 | 19 | 21.7 | 9.56 | 7500 | 9000 | 0.473 |
| 2308ATN | 2308AKTN | 40 | 90 | 33 | 54.2 | 15.9 | 6300 | 7500 | 0.897 |
| 2308A | 2308AK | 40 | 90 | 33 | 54.2 | 15.9 | 6300 | 7500 | 0.897 |
| 1308ATN | 1308AKTN | 40 | 90 | 23 | 33.8 | 11.4 | 6700 | 8000 | 0.673 |
| 1308A | 1308AK | 40 | 90 | 23 | 33.8 | 11.4 | 6700 | 8000 | 0.673 |
| 2208ATN | 2208AKTN | 40 | 80 | 23 | 31.8 | 10.1 | 7500 | 9000 | 0.488 |
| 2208A | 2208AK | 40 | 80 | 23 | 31.8 | 10.1 | 7500 | 9000 | 0.488 |
| 1208ATN | 1208AKTN | 40 | 80 | 18 | 18.5 | 6.95 | 8500 | 10000 | 0.393 |