Tapered roller bearing single row 31308J2/QCL7C
SKU:BEA000673
Tapered roller bearing single row 31308J2/QCL7C
Manufacturer : SKF
Description
Technical specification
| Dimension series |
7FB
|
|---|
DIMENSIONS
| d |
40 mm
|
|
|---|---|---|
| D |
90 mm
|
|
| T |
25.25 mm
|
|
| d1 |
≈ 67.15 mm
|
|
| B |
23 mm
|
|
| C |
17 mm
|
|
| r1,2 |
min. 2 mm
|
|
| r3,4 |
min. 1.5 mm
|
|
| a |
28.252 mm
|
ABUTMENT DIMENSIONS
| da |
max. 51 mm
|
|
|---|---|---|
| db |
min. 50 mm
|
|
| Da |
min. 71 mm
|
|
| Da |
max. 82.5 mm
|
|
| Db |
min. 86 mm
|
|
| Ca |
min. 3 mm
|
|
| Cb |
min. 8 mm
|
|
| ra |
max. 2 mm
|
|
| rb |
max. 1.5 mm
|
CALCULATION DATA
| Basic dynamic load rating | C |
91.1 kN
|
|---|---|---|
| Basic static load rating | C0 |
81.5 kN
|
| Fatigue load limit | Pu |
9.5 kN
|
| Reference speed |
5 600 r/min
|
|
| Limiting speed |
7 500 r/min
|
|
| Calculation factor | e |
0.83
|
| Calculation factor | Y |
0.72
|
| Calculation factor | Y0 |
0.4
|
MASS
| Mass bearing |
0.72 kg
|
|---|