AKMI double row tapered roller bearings are ready-to-mount units, manufactured with a predetermined axial clearance or preload. TDI design bearings have a double row inner ring and two outer rings that usually have an intermediate ring between them. Their roller sets are arranged face-to-face (X-arrangement). Design variants include features such as a helical groove in the bore, locating slots in the inner ring, or seals on both sides.
| Design variant/feature | TDI/WIY2 |
| Bore type | Cylindrical |
| d | 406.4 mm | Bore diameter |
|---|---|---|
| D | 546.1 mm | Outside diameter |
| T | 138.113 mm | Total width |
| B | 138.113 mm | Width of inner ring |
| d1 | 433.99 mm | Shoulder diameter of inner ring (small side face) |
| D1 | 490.611 mm | Raceway diameter of outer ring (small side face) |
| r1,2 | min. 1.5 mm | Chamfer dimension of inner ring |
| r3,4 | min. 6.4 mm | Chamfer dimension of outer ring |
| Basic dynamic load rating | C | 2 339 kN |
|---|---|---|
| Basic static load rating | C0 | 5 100 kN |
| Fatigue load limit | Pu | 405 kN |
| Limiting value | e | 0.48 |
| Calculation factor | Y1 | 1.4 |
| Calculation factor | Y2 | 2.1 |
| Calculation factor | Y0 | 1.4 |
| Comparative radial load rating | CF | 570 kN |
| Comparative axial load rating | CFa | 264 kN |
| Thrust factor | K | 1.23 |
General bearing specifications
Bearing interfaces
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