Tapered roller bearings single row 31305J2
SKU:BEA001648
Tapered roller bearings single row 31305J2
Manufacturer : SKF
Description
Technical specification
| Dimension series |
7FB
|
|---|
DIMENSIONS
| d |
25 mm
|
|
|---|---|---|
| D |
62 mm
|
|
| T |
18.25 mm
|
|
| d1 |
≈ 45.8 mm
|
|
| B |
17 mm
|
|
| C |
13 mm
|
|
| r1,2 |
min. 1.5 mm
|
|
| r3,4 |
min. 1.5 mm
|
|
| a |
19.689 mm
|
ABUTMENT DIMENSIONS
| da |
max. 34 mm
|
|
|---|---|---|
| db |
min. 33 mm
|
|
| Da |
min. 47 mm
|
|
| Da |
max. 55 mm
|
|
| Db |
min. 59 mm
|
|
| Ca |
min. 3 mm
|
|
| Cb |
min. 5 mm
|
|
| ra |
max. 1.5 mm
|
|
| rb |
max. 1.5 mm
|
CALCULATION DATA
| Basic dynamic load rating | C |
46.6 kN
|
|---|---|---|
| Basic static load rating | C0 |
40 kN
|
| Fatigue load limit | Pu |
4.4 kN
|
| Reference speed |
8 500 r/min
|
|
| Limiting speed |
11 000 r/min
|
|
| Calculation factor | e |
0.83
|
| Calculation factor | Y |
0.72
|
| Calculation factor | Y0 |
0.4
|
MASS
| Mass bearing |
0.27 kg
|
|---|