Single row tapered roller bearings, inch sizes, are designed to accommodate combined radial and axial loads and provide low friction during operation. The inner ring, with rollers and cage, can be mounted separately from the outer ring. These separable and interchangeable components facilitate mounting, dismounting and maintenance. By mounting one single row tapered roller bearing against another and applying a preload, a rigid bearing application can be achieved.
| Dimension series |
M 349500
|
| d |
255.6 mm
|
Bore diameter |
|---|---|---|
| D |
342.9 mm
|
Outside diameter |
| T |
57.15 mm
|
Total width |
| d1 |
≈ 296.8 mm
|
Shoulder diameter of inner ring |
| B |
63.5 mm
|
Width of inner ring |
| C |
44.45 mm
|
Width of outer ring |
| r1,2 |
min. 1.5 mm
|
Chamfer dimension of inner ring |
| r3,4 |
min. 3.3 mm
|
Chamfer dimension of outer ring |
| a |
59.47 mm
|
Distance side face to pressure point |
| da |
max. 273 mm
|
Diameter of shaft abutment |
|---|---|---|
| db |
min. 269 mm
|
Diameter of shaft abutment |
| Da |
min. 318 mm
|
Diameter of housing abutment |
| Da |
max. 327 mm
|
Diameter of housing abutment |
| Db |
min. 331 mm
|
Diameter of housing abutment |
| Ca |
min. 9 mm
|
Minimum width of space required in housing on large side face |
| Cb |
min. 12.5 mm
|
Minimum width of space required in housing on small side face |
| ra |
max. 1.5 mm
|
Radius of shaft fillet |
| rb |
max. 3.3 mm
|
Radius of housing fillet |
| Basic dynamic load rating | C |
698 kN
|
|---|---|---|
| Basic static load rating | C0 |
1 400 kN
|
| Fatigue load limit | Pu |
125 kN
|
| Reference speed |
1 200 r/min
|
|
| Limiting speed |
1 600 r/min
|
|
| Limiting value | e |
0.35
|
| Calculation factor | Y |
1.7
|
| Calculation factor | Y0 |
0.9
|
| Mass |
14.8 kg
|
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