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 |
TDIT/Y2
|
| Bore type |
Tapered 1:12
|
| d |
303.212 mm
|
Bore diameter (large diameter of tapered bore) |
|---|---|---|
| D |
495.3 mm
|
Outside diameter |
| T |
263.525 mm
|
Total width |
| B |
263.525 mm
|
Width of inner ring |
| d1 |
≈ 338 mm
|
Diameter of shaft abutment |
| D1 |
≈ 417 mm
|
Diameter of housing abutment |
| r1,2 |
min. 3.3 mm
|
Chamfer dimension of inner ring |
| r3,4 |
min. 6.4 mm
|
Chamfer dimension of outer ring |
| Basic dynamic load rating | C |
4 919 kN
|
|---|---|---|
| Basic static load rating | C0 |
9 800 kN
|
| Fatigue load limit | Pu |
750 kN
|
| Limiting value | e |
0.33
|
| Calculation factor | Y1 |
2
|
| Calculation factor | Y2 |
3
|
| Calculation factor | Y0 |
2
|
| Comparative radial load rating | CF |
1 220 kN
|
| Comparative axial load rating | CFa |
403 kN
|
| Thrust factor | K |
1.76
|
| Mass |
212 kg
|
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