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38880/38820
Inch Single Row Tapered Roller Bearings
Dimensions: Bore (Inner) Diameter: 10.3750 "； Outer Diameter: 12.8125 "； Width (Thickness): 1.1250 ";
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Product Attributes
| Product Number | 38880/38820 |
| Bore diameter | 10.3750 " |
| Outside diameter | 12.8125 " |
| Total width | 1.1250 " |
| Shoulder diameter of inner ring | 11.5354 " |
| Widthof inner ring | 1.1250 " |
| Width of outer ring | 1.0000 " |
| Chamfer minimum dimension of inner ring (r1,2) | 1.5 mm |
| Chamfer minimum dimension of outer ring (r3,4) | 1.5 |
| Distance side face to pressure point (a) | 48 |
| Basic dynamic load rating (Cr) | 273 |
| Basic static load rating (Cor) | 550 |
| Fatigue load limit (Pu) | 48 |
| Reference speed | 1400 r/min |
| Limiting speed | 1700 r/min |
| Mass | 5.3 kg |
| Limiting value (e) | 0.37 |
| Axial load factor (Y) | 1.6 |
| Axial load factor (Y0) | 0.9 |
| Maximum diameter of shaft abutment (da) | 282 mm |
| Minimum diameter of shaft abutment (db) | 277 mm |
| Minimum diameter of housing abutment (Da) | 307 mm |
| Maximum diameter of housing abutment (Da) | 313 mm |
| Minimum diameter of housing abutment (Db) | 313 mm |
| Minimum width of space required in housing on large side face (C | 4 mm |
| Minimum width of space required in housing on small side face (C | 3 mm |
| Maximum Radius of shaft fillet (ra) | 1.5 mm |
| Maximum Radius of housing fillet (rb) | 1.5 mm |
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