| Old No. | R-4-2RS | ![]() Two Seals 2RS | |
| Dimensions (metric) | d | 4 | |
| D | 16 | ||
| B | 5 | ||
| Approx. Wgt. lbs | .0110 | ||
| Interchange | ADR | - | |
| ISC | - | ||
| Nachi | - | ||
| NMB | - | ||
| NTN | 634LLU | ||
| RMB | - | ||
| SKF | 634-2RS1 | ||
Hot number:NSK 6022-2RZ NTN 7303 B/DF NSK HR30221J TIMKEN 495A/493 Gamet 130070/130127P SKF 240/630 ECK30J/W33 + AOH 240/630 G Timken 230/710YMB INA AXS145169 FBJ K22X28X17 RHP LJT5.1/2 SNR MLE71909HVDUJ74S CX NP1892 JNS RNAF6138 KOYO UCIP315-47 STEYR NUP-2311E
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