| Dimensions (inch) | D | 3.8437 | ![]() |
| dw | 2.3750 | ||
| dg | 2.4062 | ||
| H | .8125 | ||
| Approx. Wgt. lbs | 1.250 | ||
| Interchange | Aetna | E-31* | |
| INA | D-31 | ||
| * Aetna specs are designed for a "slip fit" which makes them slightly oversized on the bore. INA specs are designed for a "press fit". 1) This series is precision ground to ABEC #1 tolerances. 2) "dg" dimension may vary between manufacturers. | |||
Hot number:NSK N 406 TIMKEN 3782/3720 NKE 6207-NR SNR AB41196 INA BCE1212 SIGMA GEM 40 ES-2RS NBS HK 2518 RS ISO NJ1021 NTN NU314E SKF PCM 303415 E ISB SS 61901 INA SL1829/500 STEYR AH-316x75 FBC RM-30 NOK IDI 33 20 10
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