| Dimensions (metric) | d | 105 | ![]() |
| F | 135 | ||
| D | 225 | ||
| B | 49 | ||
| Approx. Wgt. lbs | 22.000 | ||
| Interchange | FAG | NU 321 | |
| HOFF | R 405 E | ||
| Hyatt | A 1321 TS | ||
| Rollway | MUC 321 | ||
| SKF | NU 321 | ||
| STEYR | NU 321 | ||
| Torrington | 105 RU 03 | ||
| * "F" dimension equal to FAG and SKF. Other manufacturers "F" dimension may vary. 1) The above series is available with either: Stamped steel or glass fibre cage - No suffix. Machined bronze cage - suffix "M". 2) These bearings are available in C/2, C/3, C/4, W/23 and C/5 internal clearance. 3) Some sizes are available in ABEC #3 (P/6) precision. 4) These bearings are available with tapered bore - suffix "K". Consult factory for availability. | |||
Hot number:SKF 71901 C SNR 7206 AC/DF SKF 294/670 OKB INA 29460-E1 AST 5208-2RS SIGMA 6416 Timken BK3038 SKF HM 89446/2/410/2/QCL7C KOYO NANFL210-31 NSK NUP 244 STEYR 4322 MRC 5305-ZZ INA GE-80AX NSK 32213
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