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 |
280 mm
|
Bore diameter |
|---|---|---|
| D |
420 mm
|
Outside diameter |
| T |
199 mm
|
Total width |
| d1 |
≈ 348.32 mm
|
Shoulder diameter of inner ring |
| l |
25 mm
|
Width of spacer ring |
| b |
14 mm
|
Width of lubrication groove |
| K |
7 mm
|
Diameter of lubrication hole |
| r1,2 |
min. 5 mm
|
Chamfer dimension |
| r5 |
min. 1.5 mm
|
Chamfer dimension |
| db |
min. 301 mm
|
Diameter of shaft abutment |
|---|---|---|
| Db |
min. 402 mm
|
Diameter of shaft abutment |
| Cb |
min. 22 mm
|
Minimum width of space required in housing on small side face |
| ra |
max. 5 mm
|
Radius of fillet |
| rc |
max. 1.5 mm
|
Radius of fillet |
| Mass |
85.8 kg
|
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