SKF 7230BCBM Angular contact ball bearings, single row
M: Machined brass cage, rolling element centred
SKF EXPLORER
Description
SKF 7230BCBM specification parameter：
| d |
150 mm
|
Bore diameter |
|---|---|---|
| D |
270 mm
|
Outside diameter |
| B |
45 mm
|
Width |
| d1 |
≈197.2 mm
|
Shoulder diameter inner ring (large side face) |
| d2 |
≈175.6 mm
|
Shoulder diameter inner ring (small side face) |
| D1 |
≈225.95 mm
|
Shoulder diameter outer ring (large side face) |
| a |
111 mm
|
Distance pressure point |
| r1,2 |
min.3 mm
|
Chamfer dimension |
| r3,4 |
min.1.1 mm
|
Chamfer dimension outer ring small side face |
ABUTMENT DIMENSIONS
| da |
min.164 mm
|
Abutment diameter shaft |
|---|---|---|
| Da |
max.256 mm
|
Abutment diameter housing |
| Db |
max.263 mm
|
Abutment diameter housing |
| ra |
max.2.5 mm
|
Fillet radius |
| rb |
max.1 mm
|
Fillet radius |
CALCULATION DATA
| Basic dynamic load rating | C |
216 kN
|
|---|---|---|
| Basic static load rating | C0 |
240 kN
|
| Fatigue load limit | Pu |
6.95 kN
|
| Reference speed |
2 800 r/min
|
|
| Limiting speed |
3 200 r/min
|
|
| Calculation factor | A |
1.01
|
| Calculation factor | kr |
0.08
|
| Calculation factor | e |
1.14
|
| Calculation factor | X |
0.35
|
|---|---|---|
| Calculation factor | Y0 |
0.26
|
| Calculation factor | Y2 |
0.57
|
| Calculation factor | X |
0.57
|
|---|---|---|
| Calculation factor | Y0 |
0.52
|
| Calculation factor | Y1 |
0.55
|
| Calculation factor | Y2 |
0.93
|
MASS
| Mass bearing |
11.5 kg
|
