Tapered roller bearings single row 30312J2/Q
SKU:TAP000179
Tapered roller bearings single row 30312J2/Q
Manufacturer : SKF
Description
Technical specification
| Dimension series |
2FB
|
|---|
DIMENSIONS
| d |
60 mm
|
|
|---|---|---|
| D |
130 mm
|
|
| T |
33.5 mm
|
|
| d1 |
≈ 91.87 mm
|
|
| B |
31 mm
|
|
| C |
26 mm
|
|
| r1,2 |
min. 3 mm
|
|
| r3,4 |
min. 2.5 mm
|
|
| a |
25.713 mm
|
ABUTMENT DIMENSIONS
| da |
max. 77 mm
|
|
|---|---|---|
| db |
min. 72.5 mm
|
|
| Da |
min. 112 mm
|
|
| Da |
max. 119.5 mm
|
|
| Db |
min. 120 mm
|
|
| Ca |
min. 5 mm
|
|
| Cb |
min. 7.5 mm
|
|
| ra |
max. 3 mm
|
|
| rb |
max. 2.5 mm
|
CALCULATION DATA
| Basic dynamic load rating | C |
208 kN
|
|---|---|---|
| Basic static load rating | C0 |
196 kN
|
| Fatigue load limit | Pu |
23.6 kN
|
| Reference speed |
4 300 r/min
|
|
| Limiting speed |
5 300 r/min
|
|
| Calculation factor | e |
0.35
|
| Calculation factor | Y |
1.7
|
| Calculation factor | Y0 |
0.9
|
MASS
| Mass bearing |
1.95 kg
|
|---|