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31320 X
Metric Single Row Tapered Roller Bearings
Dimensions: Bore (Inner) Diameter: 100 mm； Outer Diameter: 215 mm； Width (Thickness): 56.5 mm;
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Product Attributes
| Product Number | 31320 X |
| Bore diameter | 100 mm |
| Outside diameter | 215 mm |
| Total width | 56.5 mm |
| Shoulder diameter of inner ring | 158 mm |
| Widthof inner ring | 51 mm |
| Width of outer ring | 35 mm |
| Chamfer minimum dimension of inner ring (r1,2) | 4 mm |
| Chamfer minimum dimension of outer ring (r3,4) | 3 mm |
| Distance side face to pressure point (a) | 64 mm |
| Basic dynamic load rating (Cr) | 399 kn |
| Basic static load rating (Cor) | 465 kN |
| Fatigue load limit (Pu) | 51 kN |
| Reference speed | 2200 r/min |
| Limiting speed | 3000 r/min |
| Mass | 8.6 kg |
| Limiting value (e) | 0.83 |
| Axial load factor (Y) | 0.72 |
| Axial load factor (Y0) | 0.4 |
| Maximum diameter of shaft abutment (da) | 121 mm |
| Minimum diameter of shaft abutment (db) | 116 mm |
| Minimum diameter of housing abutment (Da) | 168 mm |
| Maximum diameter of housing abutment (Da) | 202 mm |
| Minimum diameter of housing abutment (Db) | 202 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 | 21.5 mm |
| Maximum Radius of shaft fillet (ra) | 4 mm |
| Maximum Radius of housing fillet (rb) | 3 mm |
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