| Dimensions (metric) | d | 20 | ![]() |
| D | 52 | ||
| E | 44.5 | ||
| B | 15 | ||
| Approx. Wgt. lbs | .370 | ||
| Interchange | FAG | N 304 | |
| HOFF | R 320 | ||
| Hyatt | BU 1304 Z | ||
| Rollway (Bronze Cage) | MCS 304 | ||
| Rollway (Steel Cage) | RCS 304 | ||
| SKF | N 304 | ||
| STEYR | N 304 | ||
| Torrington | - | ||
| * "E" dimension equal to FAG and SKF. Other manufacturers "E" dimensions may vary. 1) The above series is available with either: Stamped steel or glass fibre cage - No suffix. Machined bronze cage - suffix "M". 2) Sizes are also available with higher radial load capacity - suffix "E". 3) These bearings are available in C/2, C/3, C/4, W/23 and C/5 internal clearance. 4) Some sizes are available in ABEC #3 (P/6) precision. | |||
Hot number:ISO 33287/33462 ISO 54217 FAG 563809A SNR 7004HVUJ74 NTN HSB013C ZEN MF105 ISO NU1022 NTN WA676AZ American AT-769 Rollway AT-772 SKF NJ-2240E FAG (Old No.) RNAO-60x78x20 MRC 148-R SKF NJ 2216 ECML BARDEN B71906C.T.P4S
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