The 2344 series is a bi-directional thrust angular contact ball spindle bearing that is suitable for high-precision, high rigidity, bi-directional heavy-duty industrial transmission scenarios such as machine tool spindles, with a 60 ° contact angle, separated structure, and high-precision characteristics
| Model | Basic Dimensions | Basic rated dynamic load | Weight | Type | |||
|---|---|---|---|---|---|---|---|
| Inner diameter | Outer diameter | Thickness | Dynamic load | Static load | |||
| [mm] | [mm] | [mm] | (kN) | (kN) | （kg） | ||
| 234420-M-SP | 100 | 150 | 60 | 67 | 226 | 2.66 | 2344 series spindle bearings |
| 234421-M-SP | 105 | 160 | 66 | 74 | 250 | 3.41 | 2344 series spindle bearings |
| 742022-M-SP | 110 | 170 | 60 | 66.5 | 185 | 4.023 | 2344 series spindle bearings |
| 234422-M-SP | 110 | 170 | 72 | 98 | 325 | 4.75 | 2344 series spindle bearings |
| 742024-M-SP | 120 | 180 | 60 | 87 | 223 | 4.5 | 2344 series spindle bearings |
| 234424-M-SP | 120 | 180 | 72 | 101 | 345 | 4.72 | 2344 series spindle bearings |
| 742026-M-SP | 130 | 200 | 69 | 125 | 315 | 6.54 | 2344 series spindle bearings |
| 234426-M-SP | 130 | 200 | 84 | 128 | 440 | 6.86 | 2344 series spindle bearings |
| 742028-M-SP | 140 | 210 | 69 | 130 | 335 | 7.19 | 2344 series spindle bearings |
| 234428-M-SP | 140 | 210 | 84 | 132 | 470 | 8.78 | 2344 series spindle bearings |
| 742030-M-SP | 150 | 225 | 75 | 133 | 360 | 8.97 | 2344 series spindle bearings |
| 234430-M-SP | 150 | 225 | 90 | 142 | 520 | 9.21 | 2344 series spindle bearings |
| 742032-M-SP | 160 | 240 | 80 | 156 | 420 | 10.9 | 2344 series spindle bearings |
| 234432-M-SP | 160 | 240 | 96 | 168 | 600 | 11.1 | 2344 series spindle bearings |
| 234434-M-SP | 170 | 260 | 108 | 207 | 740 | 15.3 | 2344 series spindle bearings |
| 742036-M-SP | 180 | 280 | 100 | 212 | 590 | 18.5 | 2344 series spindle bearings |
| 234436-M-SP | 180 | 280 | 120 | 235 | 840 | 20.5 | 2344 series spindle bearings |
| 234438-M-SP | 190 | 290 | 120 | 244 | 900 | 24.1 | 2344 series spindle bearings |
| 234440-M-SP | 200 | 310 | 132 | 285 | 1060 | 30.9 | 2344 series spindle bearings |
| 234444-M-SP | 220 | 340 | 144 | 340 | 1330 | 36.9 | 2344 series spindle bearings |
