SKF 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.1/Y2
|
| Bore type |
Cylindrical
|
| d |
500 mm
|
Bore diameter |
|---|---|---|
| D |
730 mm
|
Outside diameter |
| T |
280 mm
|
Total width |
| B |
280 mm
|
Width of inner ring |
| d1 |
≈ 551 mm
|
Diameter of shaft abutment |
| D1 |
≈ 646 mm
|
Diameter of housing abutment |
| r1,2 |
min. 3 mm
|
Chamfer dimension of inner ring |
| r3,4 |
min. 6 mm
|
Chamfer dimension of outer ring |
| Basic dynamic load rating | C |
6 600 kN
|
|---|---|---|
| Basic static load rating | C0 |
16 000 kN
|
| Fatigue load limit | Pu |
1 100 kN
|
| Limiting value | e |
0.31
|
| Calculation factor | Y1 |
2.2
|
| Calculation factor | Y2 |
3.3
|
| Calculation factor | Y0 |
2.2
|
| Comparative radial load rating | CF |
1 630 kN
|
| Comparative axial load rating | CFa |
492 kN
|
| Thrust factor | K |
1.89
|
| Mass |
420 kg
|
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