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/Y2
|
| Bore type |
Cylindrical
|
| d |
346.075 mm
|
Bore diameter |
|---|---|---|
| D |
488.95 mm
|
Outside diameter |
| T |
104.775 mm
|
Total width |
| B |
95.25 mm
|
Width of inner ring |
| d1 |
≈ 391 mm
|
Diameter of shaft abutment |
| D1 |
≈ 429 mm
|
Diameter of housing abutment |
| 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 |
1 170 kN
|
|---|---|---|
| Basic static load rating | C0 |
2 750 kN
|
| Fatigue load limit | Pu |
228 kN
|
| Limiting value | e |
0.5
|
| Calculation factor | Y1 |
1.35
|
| Calculation factor | Y2 |
2
|
| Calculation factor | Y0 |
1.3
|
| Comparative radial load rating | CF |
280 kN
|
| Comparative axial load rating | CFa |
137 kN
|
| Thrust factor | K |
1.17
|
| Mass |
62 kg
|
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