| NSK 21308 CCK Bearing Details: | ||||||||||||||||||
	
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| NSK 21308 CCK Bearing Bearing Size and Drawing: | ||||||||||||||||||
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| Model | Inner Diameter d(mm)  | Outer Diameter D(mm)  | thickness B(mm)  | Brand | Type | 
| INA 87409 Bearing | 40 | 90 | 23 | INA | Cylindrical Roller Bearings | 
| KOYO 6308 Bearing | 40 | 90 | 23 | KOYO | Deep Groove Ball Bearings | 
| KOYO 6308-2RS Bearing | 40 | 90 | 23 | KOYO | Deep Groove Ball Bearings | 
| NACHI NJ308+HJ308 Bearing | 40 | 90 | 23 | NACHI | Cylindrical Roller Bearings | 
| MRC QJ308 Bearing | 40 | 90 | 23 | MRC | Angular Contact Ball Bearings | 
| NSK 6308-Z Bearing | 40 | 90 | 23 | NSK | Deep Groove Ball Bearings | 
| KOYO 31308 Bearing | 40 | 90 | 23 | KOYO | Tapered Roller Bearings | 
| TBS 6308-Z NR Bearing | 40 | 90 | 23 | TBS | Deep Groove Ball Bearings | 
| NACHI 6308-ZN Bearing | 40 | 90 | 23 | NACHI | Deep Groove Ball Bearings | 
| AET NU 308 Bearing | 40 | 90 | 23 | AET | Cylindrical Roller Bearings |