| KOYO 6311-2Z Bearing Details: | ||||||||||||||||||
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| KOYO 6311-2Z Bearing Bearing Size and Drawing: | ||||||||||||||||||
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| Model | Inner Diameter d(mm) | Outer Diameter D(mm) | thickness B(mm) | Brand | Type | 
| TBS 7311BECBP* Bearing | 55 | 120 | 29 | TBS | Angular Contact Ball Bearings | 
| ZKL NJ 311 Bearing | 55 | 120 | 29 | ZKL | Cylindrical Roller Bearings | 
| TBS 7311B Bearing | 55 | 120 | 29 | TBS | Angular Contact Ball Bearings | 
| MAC NU311 Bearing | 55 | 120 | 29 | MAC | Cylindrical Roller Bearings | 
| KOYO NJ 311 Bearing | 55 | 120 | 29 | KOYO | Cylindrical Roller Bearings | 
| TBS NJ311ECP* Bearing | 55 | 120 | 29 | TBS | Cylindrical Roller Bearings | 
| NACHI N 311 Bearing | 55 | 120 | 29 | NACHI | Cylindrical Roller Bearings | 
| NSK NSKBL311ZNR Bearing | 55 | 120 | 29 | NSK | Deep Groove Ball Bearings | 
| NSK NSK21311EAE4 Bearing | 55 | 120 | 29 | NSK | Spherical Roller Bearings | 
| NACHI 21311 CCK Bearing | 55 | 120 | 29 | NACHI | Spherical Roller Bearings | 
