| Dimensions (metric) | d | 17 | ![]() With Inner Race With Inner Race NA |
| D | 30 | ||
| B | 23 | ||
| Approx. Wgt. lbs | .190 | ||
| Interchange | FAG | NA 6903 | |
| INA | NA 6903 | ||
| SKF | NA 6903 | ||
| SKF (Old No.) | NNA 6903 | ||
| Torrington | NA 6903 | ||
| * This size may be supplied with either a single or double row cage. | |||
| Model No. | Inner Diameter | Outer Diameter | Width | Brand | Type |
| 170PCR3301 | 170 | NSK | Cylindrical Roller Bearings | ||
|---|---|---|---|---|---|
| 23284 KW33 | 420 | 760 | 272 | ISO | Spherical Roller Bearings |
| 314KD | 70 | 150 | 35 | Timken | Deep Groove Ball Bearings |
| 32052 | 260 | 400 | 87 | ISB | Tapered Roller Bearings |
| 34275/34481-B | 70 | 122,238 | 23,012 | Timken | Tapered Roller Bearings |
| 6386/6320 | 66,675 | 135,755 | 53,975 | ISO | Tapered Roller Bearings |
| BT4B 329004 G/HA1VA901 | 334,962 | 409,575 | 334,962 | SKF | Tapered Roller Bearings |
| CX196 | CX | Wheel Bearings | |||
| JP10044/10 | 95 | 145 | 24 | CX | Tapered Roller Bearings |
| KTNOS 25 C-PP-AS | 25 | 40 | INA | Linear Bearings | |
| L624549/L624514D+L624549XB | 120,65 | 161,925 | 63,5 | Timken | Tapered Roller Bearings |
| NN3172 K | 360 | 600 | 192 | ISO | Cylindrical Roller Bearings |
| NU29/950 | 950 | 1250 | 175 | TMB | Cylindrical Roller Bearings |
| S6306-2Z | 30 | 72 | 19 | ZEN | Deep Groove Ball Bearings |
| XSI 14 0644 N | 546 | 714 | INA | Thrust Roller Bearings | |
| RSL185007 | 35 | 2.1860 | 36 | INA | CYLINDRICAL ROLLER BEARING |
| 9315K | 75 | 105 | 16 | FAF | DEEP GROOVE BALL BEARINGS |
| KB035XPO | 3.5000 | 4.1250 | .3125 | KAYDON | FOUR POINT ANGULAR CONTACT BALL BEARINGS |
| RBNA222818-RS | 28 | 18 | SKF (Old No.) | NEEDLE BEARINGS | |
| IR-45x50x35 | 45 | 35 | CONSOLIDATED | NEEDLE BEARINGS |
Hot number:KOYO 23160RK INA 4457 CRAFT 62312-2RS SKF C 3136 K + H 3136 L SKF C 39/710 KM CRAFT CRF-41.05052 Timken M238849/M238810CD+M238849XB SKF NNCF4940CV ISO NU29/1000 R&M LLRJN61/2E MRC 5408-C SKF 51176 SKF (Old No.) NA203220 Torrington 30FSL47 CONSOLIDATED NKI-9/16 NTN 4T-5584/5535 ZEN 5307-2RS AST AST40 0815 Timken B-77 Timken K15X19X19,5SE CYSD NU2318 PFI PHU2192 ISB SA 35 ES FAG SA1007 INA SCH1012 ISB SQ 5 C RS FAG 52204 New Departure 3L40 CONSOLIDATED NJ-2218 CONSOLIDATED 5208-2RS
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