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/Y2 |
Bore type | Cylindrical |
d | 690 mm | Bore diameter |
---|---|---|
D | 980 mm | Outside diameter |
T | 355 mm | Total width |
B | 355 mm | Width of inner ring |
d1 | 745 mm | Shoulder diameter of inner ring (small side face) |
D1 | 852.358 mm | Raceway diameter of outer ring (small side face) |
r1,2 | min. 6 mm | Chamfer dimension of inner ring |
r3,4 | min. 6 mm | Chamfer dimension of outer ring |
Basic dynamic load rating | C | 10 227 kN |
---|---|---|
Basic static load rating | C0 | 25 000 kN |
Fatigue load limit | Pu | 1 600 kN |
Limiting value | e | 0.33 |
Calculation factor | Y1 | 2 |
Calculation factor | Y2 | 3 |
Calculation factor | Y0 | 2 |
Comparative radial load rating | CF | 2 550 kN |
Comparative axial load rating | CFa | 830 kN |
Thrust factor | K | 1.76 |
General bearing specifications
Bearing interfaces
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