| KOYO 21311 RHK Bearing Details: | ||||||||||||||||||
	
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| KOYO 21311 RHK Bearing Bearing Size and Drawing: | ||||||||||||||||||
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| Model | Inner Diameter d(mm)  | Outer Diameter D(mm)  | thickness B(mm)  | Brand | Type | 
| TBS QJ311 N2 MA Bearing | 55 | 120 | 29 | TBS | Angular Contact Ball Bearings | 
| TBS 1311 K Bearing | 55 | 120 | 29 | TBS | Self-aligning Ball Bearings | 
| MAC NUP311 Bearing | 55 | 120 | 29 | MAC | Cylindrical Roller Bearings | 
| NSK 6311-RS Bearing | 55 | 120 | 29 | NSK | Deep Groove Ball Bearings | 
| TBS 7311 BEC BPH* Bearing | 55 | 120 | 29 | TBS | Angular Contact Ball Bearings | 
| KOYO 21311 CC Bearing | 55 | 120 | 29 | KOYO | Spherical Roller Bearings | 
| NTN 6311-RS Bearing | 55 | 120 | 29 | NTN | Deep Groove Ball Bearings | 
| SNR 7311AC Bearing | 55 | 120 | 29 | SNR | Angular Contact Ball Bearings | 
| FAG NJ 311 E.TVP2 +HJ311 E Bearing | 55 | 120 | 29 | FAG | Cylindrical Roller Bearings | 
| KOYO 6311-2RS Bearing | 55 | 120 | 29 | KOYO | Deep Groove Ball Bearings |