Angular contact ball bearings, four-point contact ball bearings QJ228N2MA
SKU:BEA001493
Angular contact ball bearings, four-point contact ball bearings QJ228N2MA
Manufacturer : SKF
Description
Technical specification
DIMENSIONS
| d |
140 mm
|
|
|---|---|---|
| D |
250 mm
|
|
| B |
42 mm
|
|
| d1 |
≈ 179 mm
|
|
| D1 |
≈ 211 mm
|
|
| a |
137 mm
|
|
| h |
11.7 mm
|
|
| b |
10.5 mm
|
|
| r0 |
2 mm
|
|
| r1,2 |
min. 3 mm
|
ABUTMENT DIMENSIONS
| da |
min. 154 mm
|
|
|---|---|---|
| Da |
max. 236 mm
|
|
| ra |
max. 2.5 mm
|
CALCULATION DATA
| Basic dynamic load rating | C |
345 kN
|
|---|---|---|
| Basic static load rating | C0 |
475 kN
|
| Fatigue load limit | Pu |
14.3 kN
|
| Limiting speed |
4 300 r/min
|
|
| Calculation factor | A |
0.556
|
| Calculation factor | e |
0.95
|
| Calculation factor | X |
0.6
|
| Calculation factor | Y0 |
0.58
|
| Calculation factor | Y1 |
0.66
|
| Calculation factor | Y2 |
1.07
|
MASS
| Mass bearing |
9.85 kg
|
|---|