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87750/87111
Inch Single Row Tapered Roller Bearings
Dimensions: Bore (Inner) Diameter: 7.5000 "； Outer Diameter: 11.1250 "； Width (Thickness): 2.0000 ";
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Product Attributes
| Product Number | 87750/87111 |
| Bore diameter | 7.5000 " |
| Outside diameter | 11.1250 " |
| Total width | 2.0000 " |
| Shoulder diameter of inner ring | 9.1339 " |
| Widthof inner ring | 1.8750 " |
| Width of outer ring | 1.4375 " |
| 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) | 54 |
| Basic dynamic load rating (Cr) | 427 |
| Basic static load rating (Cor) | 695 |
| Fatigue load limit (Pu) | 67 |
| Reference speed | 1700 r/min |
| Limiting speed | 2000 r/min |
| Mass | 9.55 kg |
| Limiting value (e) | 0.43 |
| Axial load factor (Y) | 1.4 |
| Axial load factor (Y0) | 0.8 |
| Maximum diameter of shaft abutment (da) | 213 mm |
| Minimum diameter of shaft abutment (db) | 207 mm |
| Minimum diameter of housing abutment (Da) | 253 mm |
| Maximum diameter of housing abutment (Da) | 267 mm |
| Minimum diameter of housing abutment (Db) | 267 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 | 14 mm |
| Maximum Radius of shaft fillet (ra) | 3.5 mm |
| Maximum Radius of housing fillet (rb) | 3.3 mm |
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