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31330T179 X/DB
Tapered roller bearings& single row& matched back-to-back
Dimensions: Bore (Inner) Diameter: 150 mm； Outer Diameter: 320 mm； Width (Thickness): 179 mm;
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Product Attributes
| Product Number | 31330T179 X/DB |
| Bore diameter | 150 mm |
| Outside diameter | 320 mm |
| Total width | 179 mm |
| Shoulder diameter of inner ring | 234 mm |
| Width of outer ring | 115 mm |
| Chamfer minimum dimension of inner ring (r1,2) | 5 mm |
| Basic dynamic load rating (Cr) | 1427 kn |
| Basic static load rating (Cor) | 2040 kN |
| Fatigue load limit (Pu) | 200 kN |
| Reference speed | 1100 r/min |
| Limiting speed | 2000 r/min |
| Mass | 58.5 kg |
| Limiting value (e) | 0.83 |
| Axial load factor (Y0) | 0.8 |
| Minimum diameter of shaft abutment (db) | 170 mm |
| Minimum width of space required in housing on small side face (C | 32 mm |
| Width of spacer ring (l) | 15 |
| Width of lubrication groove (b) | 8 |
| Diameter of lubrication hole (K) | 6 |
| Chamfer minimum dimension of outer ring (r5) | 1.5 |
| Axial load factor (Y1) | 0.81 |
| Axial load factor (Y2) | 1.2 |
| Maximum Radius of housing fillet (ra) | 5 |
| Maximum Radius of shaft fillet (rc) | 1.5 |
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