Cylindrical roller bearings, single row NJ312ECJ
SKU:CYL000094
Cylindrical roller bearings, single row NJ312ECJ
Manufacturer : SKF
Description
Technical specification
DIMENSIONS
| d |
60 mm
|
|
|---|---|---|
| D |
130 mm
|
|
| B |
31 mm
|
|
| d1 |
≈ 84.3 mm
|
|
| D1 |
≈ 108.6 mm
|
|
| F |
77 mm
|
|
| r1,2 |
min. 2.1 mm
|
|
| r3,4 |
min. 2.1 mm
|
|
| s |
max. 2.1 mm
|
ABUTMENT DIMENSIONS
| da |
min. 72 mm
|
|
|---|---|---|
| da |
max. 74 mm
|
|
| db |
min. 87 mm
|
|
| Da |
max. 118.1 mm
|
|
| ra |
max. 2 mm
|
CALCULATION DATA
| Basic dynamic load rating | C |
173 kN
|
|---|---|---|
| Basic static load rating | C0 |
160 kN
|
| Fatigue load limit | Pu |
21.2 kN
|
| Reference speed |
5 600 r/min
|
|
| Limiting speed |
6 700 r/min
|
|
| Calculation factor | kr |
0.15
|
| Limiting value | e |
0.2
|
| Axial load factor | Y |
0.6
|
MASS
| Mass bearing |
1.87 kg
|
|---|