| Old No. | R-4 | ![]() Open | |
| Dimensions (metric) | d | 4 | |
| D | 16 | ||
| B | 5 | ||
| Approx. Wgt. lbs | .0120 | ||
| Interchange | ADR | 634 | |
| ISC | 634 | ||
| Nachi | 634 | ||
| NMB | R-1640 | ||
| NTN | 634 | ||
| RMB | R4160 | ||
| SKF | 634 | ||
| 1) Also available in ABEC #3, #5 and #7 precision. Consult factory for availability. | |||
| Model No. | Inner Diameter | Outer Diameter | Width | Brand | Type |
| 4T-65390/65320 | 49,212 | 114,3 | 44,45 | NTN | Tapered Roller Bearings |
|---|---|---|---|---|---|
| 6304 | 20 | 52 | 15 | ISO | Deep Groove Ball Bearings |
| 7015UCDB/GNP5 | 75 | 115 | 40 | NTN | Angular Contact Ball Bearings |
| EB1.20.0944.201-2STPN | 872 | 1046,4 | 56 | ISB | Thrust Ball Bearings |
| F698-2Z | 8 | 19 | 6 | ZEN | Deep Groove Ball Bearings |
| GEF120ES | 120 | 190 | AST | Plain Bearings | |
| GX17T | 17 | 47 | 16 | LS | Plain Bearings |
| LM506235-1 | 45 | 62 | 35 | NSK | Needle Roller Bearings |
| MR-44 | 69,8 | 88,9 | 44,45 | SIGMA | Needle Roller Bearings |
| NJ2217E | 85 | 150 | 36 | CYSD | Cylindrical Roller Bearings |
| NU264 E | 320 | 580 | 92 | CX | Cylindrical Roller Bearings |
| X30224M/Y30224M | 120 | 215 | 43,5 | Timken | Tapered Roller Bearings |
| TA 1616 Z | 16 | 24 | 16 | IKO | Needle Roller Bearings |
| HK4520 | 52 | 20 | FAG | NEEDLE BEARINGS | |
| 3909 | 85 | 45 | INA | THRUST BALL BEARINGS | |
| SDAF-526 | 4.4375 | 11.8750 | SKF | PILLOW BLOCKS | |
| 203-M | 17 | 40 | 12 | MRC | DEEP GROOVE BALL BEARINGS |
| NF305E | 25 | 62 | 17 | STEYR | CYLINDRICAL ROLLER BEARINGS |
| STO17 | 17 | 40 | 16 | SKF | NEEDLE BEARINGS |
| CRSBCR-144 | 3.7500 | 9.0000 | 4.7500 | CONSOLIDATED | ROLLER CAM FOLLOWERS |
Hot number:KOYO 3NCN1013 NACHI 63/22ZENR NTN 7219BG Timken B-4420 SKF BEAM 025075-2RS/PE SNFA E 265 7CE3 NBS KN1232 TMB NNU4956W33M PFI PHU3193 IKO TAFI 9012026 RIV DMP100 Torrington 240/600 STEYR NL10 CONSOLIDATED NU-228E CONSOLIDATED SAF-317..ROLLER KOYO 14BKM2025JUU Timken 26882/26820 KOYO 30304AC FAG 52214 FBJ 6010ZZ CX 617/8-2RS FBJ 692 ISO F691X FBJ NJ2214 TMB NN3948MB KOYO UCFCX20 INA TWA512 SKF SN305with21305 Spherco CFML-12 SKF 618/7
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