 
| Dimensions (metric) | d | 280 |  | 
| F | 340 | ||
| D | 500 | ||
| B | 80 | ||
| Approx. Wgt. lbs | 182.220 | ||
| Interchange | FAG | NU 256 | |
| HOFF | - | ||
| Hyatt | - | ||
| Rollway | MUC 256 | ||
| SKF | NU 256 | ||
| STEYR | NU 256 | ||
| Torrington | 280 RU 02 | ||
| * "F" dimension equal to FAG and SKF. Other manufacturers "F" dimension may vary. 1) The above series is available with either: Stamped steel or glass fibre cage - No suffix. Machined bronze cage - suffix "M". 2) These bearings are available in C/2, C/3, C/4, W/23 and C/5 internal clearance. 3) Some sizes are available in ABEC #3 (P/6) precision. 4) These bearings are available with tapered bore - suffix "K". Consult factory for availability. | |||
| Model No. | Inner Diameter | Outer Diameter | Width | Brand | Type | 
| 21306AXK | 30 | 72 | 19 | NACHI | Cylindrical Roller Bearings | 
|---|---|---|---|---|---|
| 355/354A | 44,45 | 85 | 20,638 | FBJ | Tapered Roller Bearings | 
| 387A/383A | 57,15 | 100 | 21 | CX | Tapered Roller Bearings | 
| 53309U | 45 | 85 | 33 | NSK | Thrust Ball Bearings | 
| 7011 A-UO | 55 | 90 | 36 | CX | Angular Contact Ball Bearings | 
| K21X25X17 | 21 | 25 | 17 | FBJ | Needle Roller Bearings | 
| NF 1056 | 260 | 384 | NACHI | Cylindrical Roller Bearings | |
| L853049/L853011B | 276,225 | 349,95 | 34,925 | Timken | Tapered Roller Bearings | 
| LMES25 | 25 | 40 | Samick | Linear Bearings | |
| NRT 650 A | 650 | 870 | 122 | SKF | Thrust Roller Bearings | 
| T4DB160 | 160 | 220 | 32 | KOYO | Tapered Roller Bearings | 
| UKFL207H | 30 | SNR | Bearing Units | ||
| 140326 | .8750 | 1.2500 | 1.6250 | BAL | JOURNAL ROLLER ASSEMBLIES | 
| BE25 | 25 | 62 | 17 | INA | RADIAL INSERT BALL BEARING | 
| UCFL207-22S6PL | 1.3750 | FYH | THERMOPLASTIC PILLOW BLOCKS | ||
| LP45 | RIV | THRUST BALL BEARINGS | |||
| 2910 | 74 | 50 | INA | THRUST BALL BEARINGS | |
| NU252E | 260 | 480 | 80 | STEYR | CYLINDRICAL ROLLER BEARINGS | 
| 29413E | 65 | 140 | CONSOLIDATED | SPHERICAL ROLLER THRUST BEARINGS | |
| 6317-ZZNR | 85 | 180 | 41 | CONSOLIDATED | DEEP GROOVE BALL BEARINGS | 
Hot number:SKF 1317 SNR 2215 KOYO 462/500A NSK 6208T1XVV NACHI 6816NR CX 7412 B-UD INA BCH1012 NSK RSF-4872E4 NSK NU 205 EW FAG NF304 Barden C1813HCUL FAG B7040C.T.P4S SKF NJ338 SKF FPAG400 CONSOLIDATED SL11934 NSK 240KBE4003+L CX 232/560 CW33 NACHI 7034C NACHI 7303C CYSD 7922DB NSK BA381-1 NTN EC-6308LLU NSK FR 188 ZZ ISB GE 60 XS K SNR NJ2217EG15 Samick SCJ25UU INA GE-20UK-2RS CONSOLIDATED NU-2244 CONSOLIDATED 22211 CONSOLIDATED SD-3168320mm
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