| Dimensions (inch) | D | 1.3437 | ![]() |
| dw | .6875 | ||
| dg | .7187 | ||
| H | .5625 | ||
| Approx. Wgt. lbs | .180 | ||
| Interchange | Aetna | E-4* | |
| INA | D-4 | ||
| * 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:KOYO 29396 SKF 21312E CX 32012 AX NACHI 52311 SKF 618/1180MA CYSD 6909NR SKF 71910 CB/P4A IKO CRBS 1508 V ZVL K-JM511946/K-JM511910 INA NK42/20 NMB R-2480KK FAG INS6222 INA MR-20-N NHBB SSRIF-418ZZ SKF PRM 252815
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