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30306
Metric Single Row Tapered Roller Bearings
Dimensions: Bore (Inner) Diameter: 30 mm； Outer Diameter: 72 mm； Width (Thickness): 20.75 mm;
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Product Attributes
| Product Number | 30306 |
| Bore diameter | 30 mm |
| Outside diameter | 72 mm |
| Total width | 20.75 mm |
| Shoulder diameter of inner ring | 48.4 mm |
| Widthof inner ring | 19 mm |
| Width of outer ring | 16 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) | 14 mm |
| Basic dynamic load rating (Cr) | 69.2 kn |
| Basic static load rating (Cor) | 56 kN |
| Fatigue load limit (Pu) | 6.4 kN |
| Reference speed | 8000 r/min |
| Limiting speed | 10000 r/min |
| Mass | 0.38 kg |
| Limiting value (e) | 0.31 |
| Axial load factor (Y) | 1.9 |
| Axial load factor (Y0) | 1.1 |
| Maximum diameter of shaft abutment (da) | 41 mm |
| Minimum diameter of shaft abutment (db) | 38 mm |
| Minimum diameter of housing abutment (Da) | 62 mm |
| Maximum diameter of housing abutment (Da) | 64 mm |
| Minimum diameter of housing abutment (Db) | 66 mm |
| Minimum width of space required in housing on large side face (C | 3 mm |
| Minimum width of space required in housing on small side face (C | 4.5 mm |
| Maximum Radius of shaft fillet (ra) | 1.5 mm |
| Maximum Radius of housing fillet (rb) | 1.5 mm |
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