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6391/K-6320
Inch Single Row Tapered Roller Bearings
Dimensions: Bore (Inner) Diameter: 2.3617 "； Outer Diameter: 5.3447 "； Width (Thickness): 2.1250 ";
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Product Attributes
| Product Number | 6391/K-6320 |
| Bore diameter | 2.3617 " |
| Outside diameter | 5.3447 " |
| Total width | 2.1250 " |
| Shoulder diameter of inner ring | 3.8386 " |
| Widthof inner ring | 2.2050 " |
| Width of outer ring | 1.7500 " |
| Chamfer minimum dimension of inner ring (r1,2) | 3.5 mm |
| Chamfer minimum dimension of outer ring (r3,4) | 3.3 |
| Distance side face to pressure point (a) | 34 |
| Basic dynamic load rating (Cr) | 353 |
| Basic static load rating (Cor) | 400 |
| Fatigue load limit (Pu) | 45.5 |
| Reference speed | 4000 r/min |
| Limiting speed | 5000 r/min |
| Mass | 3.95 kg |
| Limiting value (e) | 0.33 |
| Axial load factor (Y) | 1.8 |
| Axial load factor (Y0) | 1 |
| Maximum diameter of shaft abutment (da) | 78 mm |
| Minimum diameter of shaft abutment (db) | 74 mm |
| Minimum diameter of housing abutment (Da) | 110 mm |
| Maximum diameter of housing abutment (Da) | 123 mm |
| Minimum diameter of housing abutment (Db) | 125 mm |
| Minimum width of space required in housing on large side face (C | 7 mm |
| Minimum width of space required in housing on small side face (C | 9.5 mm |
| Maximum Radius of shaft fillet (ra) | 3.5 mm |
| Maximum Radius of housing fillet (rb) | 3.3 mm |
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