| 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:NTN 29317 KOYO NU 2304 E INA 2097 MPZ 22215 ACMBW33 CX 32040 AX MPZ K62x70x31ZWTN KOYO KDX070 Timken LM29749/LM29710 SIGMA NU 324 JNS RNA 499 NTN 477209-112 New Departure 7416BMG IKO KB-16N NTN 6014-2Z NOK TB 12 25 7 FKM
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