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30212T53/DB
Tapered roller bearings& single row& matched back-to-back
Dimensions: Bore (Inner) Diameter: 60 mm； Outer Diameter: 110 mm； Width (Thickness): 53 mm;
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Product Attributes
| Product Number | 30212T53/DB |
| Bore diameter | 60 mm |
| Outside diameter | 110 mm |
| Total width | 53 mm |
| Shoulder diameter of inner ring | 80.9 mm |
| Width of outer ring | 43.5 mm |
| Chamfer minimum dimension of inner ring (r1,2) | 2 mm |
| Basic dynamic load rating (Cr) | 207 kn |
| Basic static load rating (Cor) | 228 kN |
| Fatigue load limit (Pu) | 26.5 kN |
| Reference speed | 4000 r/min |
| Limiting speed | 6000 r/min |
| Mass | 1.9 kg |
| Limiting value (e) | 0.4 |
| Axial load factor (Y0) | 1.6 |
| Minimum diameter of shaft abutment (db) | 70 mm |
| Minimum width of space required in housing on small side face (C | 4.5 mm |
| Width of spacer ring (l) | 5.5 |
| Chamfer minimum dimension of outer ring (r5) | 0.6 |
| Axial load factor (Y1) | 1.7 |
| Axial load factor (Y2) | 2.5 |
| Maximum Radius of housing fillet (ra) | 2 |
| Maximum Radius of shaft fillet (rc) | 0.6 |
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