調心滾子軸承有兩列球面滾子,外圈滾道為球面形。此類軸承主要用于承受徑向負荷,同時也能承受任一方向的軸向負荷,調心性能良好,可補償軸受力彎曲或安裝不當適成的同軸度誤差,適用于重載荷場合。調心滾子軸承有圓柱孔、圓錐孔和帶緊定套等三種常用結構。若按滾子截面形狀則可分為對稱形和非對稱形球面滾子兩種結構。對稱形球面滾子軸承較非對稱形有著承受更大軸向負荷能力和較長使用壽命。為改善軸承的潤滑,調心滾子軸承外圈可制成環形油槽和三個油孔。
| Inner diameter | Bearing No. 1 | Bearing No. 2 | Bearing No. 3 | Bearing No. 4 (With seal) |
| d |
| mm |
| 20 | 21304 CA/CC W33 | | | |
| 25 | 21305 CA/CC W33 | 22205 CA/CC W33 | | |
| 30 | 21306 CA/CC W33 | 22206 CA/CC W33 | | BS 22206 2CS |
| 35 | 21307 CA/CC W33 | 22207 CA/CC W33 | | BS 22207 2CS |
| 40 | 21308 CA/CC W33 | 22208 CA/CC W33 | 22308 CA/CC W33 | BS 22208 2CS |
| 45 | 21309 CA/CC W33 | 22209 CA/CC W33 | 22309 CA/CC W33 | BS 22209 2CS |
| … | … | … | … | … |
| … | … | … | … | … |
Max | 150 | 21330 CA/CC W33 | … | … | BS 22230 2CS |
Max | 300 | | 22260 CA/CC W33 | … | |
Max | 400 | | 22280 CA/CC W33 | … | |
Max | 450 | | | 22390 CA/CC W33 | |
| Inner diameter | Bearing No. 5 | Bearing No. 6 | Bearing No. 7 | Bearing No. 8 | Bearing No. 9 | Bearing No. 10 | Bearing No. 11 | Bearing No. 12 | Bearing No. 13 |
| d |
| mm |
| 90 | | | 23218 CA/CC W33 | | | 24018 CA/CC W33 | | | |
| 95 | | | 23219 CA/CC W33 | | | 24019 CA/CC W33 | | | |
| 100 | | 23120 CA/CC W33 | 23220 CA/CC W33 | | | 24020 CA/CC W33 | 24120 CA/CC W33 | | |
| 105 | | 23121 CA/CC W33 | 23221 CA/CC W33 | | | 24021 CA/CC W33 | 24121 CA/CC W33 | | |
| 110 | 23022 CA/CC W33 | 23122 CA/CC W33 | 23222 CA/CC W33 | | | 24022 CA/CC W33 | 24122 CA/CC W33 | | |
| … | … | … | … | | | … | … | | |
| 150 | … | … | … | 23830 CA/CC W33 | 23930 CA/CC W33 | … | … | 24830 CA/CC W33 | 24930 CA/CC W33 |
Max | 300 | … | 23160 CA/CC W33 | 23260 CA/CC W33 | … | … | 24060 CA/CC W33 | … | … | … |
Max | 400 | … | | | … | … | | … | … | … |
Max | 450 | 23090 CA/CC W33 | | | … | … | | … | … | … |
Max | 480 | | | | … | … | | 24196 CA/CC W33 | … | … |
Max | 1000 | | | | 238/1000 CA/CC W33 | 239/1000 CA/CC W33 | | | 248/1000 CA/CC W33 | 249/1000 CA/CC W33 |