| Dimensions (inch) | D | 3.0937 | ![]() |
| dw | 1.7500 | ||
| dg | 1.7812 | ||
| H | .8125 | ||
| Approx. Wgt. lbs | .887 | ||
| Interchange | Aetna | E-21* | |
| INA | D-21 | ||
| * 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:SNR 7208 B SKF NJ415+HJ415 KOYO 29484R Timken 22SFH40 MPZ 23136 KMBW33 FAG 24064-E1A-K30-MB1 + AH24064-H Timken B-268 NTN DCL228 ISO NUP2306 NTN RNA0-55X72X40ZW RIV 2305-K2RS IKO SCE-87 SKF MVR1-80 SKF SAF 22510 NOK JASO 2014 4D
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