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30304
Metric Single Row Tapered Roller Bearings
Dimensions: Bore (Inner) Diameter: 20 mm； Outer Diameter: 52 mm； Width (Thickness): 16.25 mm;
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Product Attributes
| Product Number | 30304 |
| Bore diameter | 20 mm |
| Outside diameter | 52 mm |
| Total width | 16.25 mm |
| Shoulder diameter of inner ring | 34.4 mm |
| Widthof inner ring | 15 mm |
| Width of outer ring | 13 mm |
| Chamfer minimum dimension of inner ring (r1,2) | 1.5 mm |
| Chamfer minimum dimension of outer ring (r3,4) | 1.5 mm |
| Distance side face to pressure point (a) | 11 mm |
| Basic dynamic load rating (Cr) | 41.9 kn |
| Basic static load rating (Cor) | 32.5 kN |
| Fatigue load limit (Pu) | 3.55 kN |
| Reference speed | 12000 r/min |
| Limiting speed | 14000 r/min |
| Mass | 0.17 kg |
| Limiting value (e) | 0.3 |
| Axial load factor (Y) | 2 |
| Axial load factor (Y0) | 1.1 |
| Maximum diameter of shaft abutment (da) | 28 mm |
| Minimum diameter of shaft abutment (db) | 27.5 mm |
| Minimum diameter of housing abutment (Da) | 44 mm |
| Maximum diameter of housing abutment (Da) | 45.5 mm |
| Minimum diameter of housing abutment (Db) | 47 mm |
| Minimum width of space required in housing on large side face (C | 2 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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