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6581 X/6535
Inch Single Row Tapered Roller Bearings
Dimensions: Bore (Inner) Diameter: 3.5433 "； Outer Diameter: 6.3750 "； Width (Thickness): 2.1250 ";
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Product Attributes
| Product Number | 6581 X/6535 |
| Bore diameter | 3.5433 " |
| Outside diameter | 6.3750 " |
| Total width | 2.1250 " |
| Shoulder diameter of inner ring | 4.9213 " |
| Widthof inner ring | 2.1693 " |
| Width of outer ring | 1.6875 " |
| Chamfer minimum dimension of inner ring (r1,2) | 3 mm |
| Chamfer minimum dimension of outer ring (r3,4) | 3.3 |
| Distance side face to pressure point (a) | 39 |
| Basic dynamic load rating (Cr) | 404 |
| Basic static load rating (Cor) | 510 |
| Fatigue load limit (Pu) | 56 |
| Reference speed | 3200 r/min |
| Limiting speed | 4000 r/min |
| Mass | 4.75 kg |
| Limiting value (e) | 0.4 |
| Axial load factor (Y) | 1.5 |
| Axial load factor (Y0) | 0.8 |
| Maximum diameter of shaft abutment (da) | 102 mm |
| Minimum diameter of shaft abutment (db) | 104 mm |
| Minimum diameter of housing abutment (Da) | 134 mm |
| Maximum diameter of housing abutment (Da) | 149 mm |
| Minimum diameter of housing abutment (Db) | 153 mm |
| Minimum width of space required in housing on large side face (C | 8 mm |
| Minimum width of space required in housing on small side face (C | 11 mm |
| Maximum Radius of shaft fillet (ra) | 3 mm |
| Maximum Radius of housing fillet (rb) | 3.3 mm |
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