Matched tapered roller bearings arranged back-to-back (O-arrangement, load lines diverge towards the bearing axis) accommodate high radial loads, axial loads in both directions, and tilting moments. The precision manufactured intermediate rings between the innner and outer rings enable a defined internal clearance or preload to be achieved when mounted. Matched tapered roller bearings are typically used in gearboxes, hoisting equipment, rolling mills, and machines in the mining industry.
| d |
150 mm
|
Bore diameter |
|---|---|---|
| D |
270 mm
|
Outside diameter |
| T |
168 mm
|
Total width |
| d1 |
≈ 205.53 mm
|
Shoulder diameter of inner ring |
| C |
134 mm
|
Width of outer rings |
| l |
14 mm
|
Width of spacer ring |
| b |
4 mm
|
Width of lubrication groove |
| K |
3 mm
|
Diameter of lubrication hole |
| r1,2 |
min. 4 mm
|
Chamfer dimension |
| r5 |
min. 1 mm
|
Chamfer dimension |
| a |
142.176 mm
|
Distance between pressure points |
| db |
min. 167 mm
|
Diameter of shaft abutment |
|---|---|---|
| Db |
min. 254 mm
|
Diameter of shaft abutment |
| Cb |
min. 17 mm
|
Minimum width of space required in housing on small side face |
| ra |
max. 4 mm
|
Radius of fillet |
| rc |
max. 1 mm
|
Radius of fillet |
| Basic dynamic load rating | C |
1 341 kN
|
|---|---|---|
| Basic static load rating | C0 |
2 280 kN
|
| Fatigue load limit | Pu |
224 kN
|
| Reference speed |
1 400 r/min
|
|
| Limiting speed |
2 400 r/min
|
|
| Limiting value | e |
0.43
|
| Calculation factor | Y1 |
1.6
|
| Calculation factor | Y2 |
2.3
|
| Calculation factor | Y0 |
1.6
|
| Mass |
37.8 kg
|
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