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683/672
Inch Single Row Tapered Roller Bearings
Dimensions: Bore (Inner) Diameter: 3.7500 "； Outer Diameter: 6.6250 "； Width (Thickness): 1.6250 ";
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Product Attributes
| Product Number | 683/672 |
| Bore diameter | 3.7500 " |
| Outside diameter | 6.6250 " |
| Total width | 1.6250 " |
| Shoulder diameter of inner ring | 5.2362 " |
| Widthof inner ring | 1.6250 " |
| Width of outer ring | 1.1875 " |
| 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) | 38 |
| Basic dynamic load rating (Cr) | 288 |
| Basic static load rating (Cor) | 365 |
| Fatigue load limit (Pu) | 39 |
| Reference speed | 3000 r/min |
| Limiting speed | 3800 r/min |
| Mass | 3.75 kg |
| Limiting value (e) | 0.48 |
| Axial load factor (Y) | 1.25 |
| Axial load factor (Y0) | 0.7 |
| Maximum diameter of shaft abutment (da) | 114 mm |
| Minimum diameter of shaft abutment (db) | 110 mm |
| Minimum diameter of housing abutment (Da) | 143 mm |
| Maximum diameter of housing abutment (Da) | 155 mm |
| Minimum diameter of housing abutment (Db) | 157 mm |
| Minimum width of space required in housing on large side face (C | 6 mm |
| Minimum width of space required in housing on small side face (C | 11 mm |
| Maximum Radius of shaft fillet (ra) | 3.5 mm |
| Maximum Radius of housing fillet (rb) | 3.3 mm |
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