| Dimensions (inch) | d | .3750 | ![]() Two Shields ZZ |
| D | .9062 | ||
| B | .3125 | ||
| Approx. Wgt. lbs | .035 | ||
| Interchange | FED | BR-7706 | |
| General | 21506-77 | ||
| NICE | 1606 DS | ||
| 1) This series is manufactured from 52100 steel and hardened to Rockwell Hardness 60/64 C Scale. 2) This series is precision ground to ABEC #1 tolerances and offer electric motor quality. 3) This series is equipped with a two piece riveted ribbon steel retainer. 4) The shielded (ZZ) and sealed (2RS) are packed with “Shell Alvania 3” grease. | |||
Hot number:NSK 21315 CC OKB 3282121 NSK 3981/3926 SKF 51310 KOYO 6389/6320 NSK 7202CTRSU ISB 71972 B AST AST090 4525 CYSD NJ214E ISO RNA4901-2RS Timken SMN204KB RIV 6215-ZZ American A-5348WB Torrington NJ-222 NTN 61915-Z
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