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31328T170 X/DB
Tapered roller bearings& single row& matched back-to-back
Dimensions: Bore (Inner) Diameter: 140 mm； Outer Diameter: 300 mm； Width (Thickness): 170 mm;
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Product Attributes
| Product Number | 31328T170 X/DB |
| Bore diameter | 140 mm |
| Outside diameter | 300 mm |
| Total width | 170 mm |
| Shoulder diameter of inner ring | 220 mm |
| Width of outer ring | 110 mm |
| Chamfer minimum dimension of inner ring (r1,2) | 5 mm |
| Basic dynamic load rating (Cr) | 1264 kn |
| Basic static load rating (Cor) | 1800 kN |
| Fatigue load limit (Pu) | 180 kN |
| Reference speed | 1200 r/min |
| Limiting speed | 2200 r/min |
| Mass | 49 kg |
| Limiting value (e) | 0.83 |
| Axial load factor (Y0) | 0.8 |
| Minimum diameter of shaft abutment (db) | 160 mm |
| Minimum width of space required in housing on small side face (C | 30 mm |
| Width of spacer ring (l) | 16 |
| Width of lubrication groove (b) | 7.5 |
| 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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