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30221T88/DB
Tapered roller bearings& single row& matched back-to-back
Dimensions: Bore (Inner) Diameter: 105 mm； Outer Diameter: 190 mm； Width (Thickness): 88 mm;
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Product Attributes
| Product Number | 30221T88/DB |
| Bore diameter | 105 mm |
| Outside diameter | 190 mm |
| Total width | 88 mm |
| Shoulder diameter of inner ring | 143 mm |
| Width of outer ring | 70 mm |
| Chamfer minimum dimension of inner ring (r1,2) | 3 mm |
| Basic dynamic load rating (Cr) | 571 kn |
| Basic static load rating (Cor) | 710 kN |
| Fatigue load limit (Pu) | 80 kN |
| Reference speed | 2200 r/min |
| Limiting speed | 3400 r/min |
| Mass | 9.35 kg |
| Limiting value (e) | 0.43 |
| Axial load factor (Y0) | 1.6 |
| Minimum diameter of shaft abutment (db) | 119 mm |
| Minimum width of space required in housing on small side face (C | 9 mm |
| Width of spacer ring (l) | 10 |
| Width of lubrication groove (b) | 5 |
| Diameter of lubrication hole (K) | 2 |
| Chamfer minimum dimension of outer ring (r5) | 1 |
| Axial load factor (Y1) | 1.6 |
| Axial load factor (Y2) | 2.3 |
| Maximum Radius of housing fillet (ra) | 3 |
| Maximum Radius of shaft fillet (rc) | 1 |
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