Cylindrical roller bearings, single row NUP311ECJ
SKU:CYL000073
Cylindrical roller bearings, single row NUP311ECJ
Manufacturer : SKF
Description
Technical specification
DIMENSIONS
| d |
55 mm
|
|
|---|---|---|
| D |
120 mm
|
|
| B |
29 mm
|
|
| d1 |
≈ 77.5 mm
|
|
| D1 |
≈ 100.3 mm
|
|
| F |
70.5 mm
|
|
| r1,2 |
min. 2 mm
|
|
| r3,4 |
min. 2 mm
|
ABUTMENT DIMENSIONS
| da |
min. 65 mm
|
|
|---|---|---|
| db |
min. 80 mm
|
|
| Da |
max. 109.2 mm
|
|
| ra |
max. 2 mm
|
CALCULATION DATA
| Basic dynamic load rating | C |
156 kN
|
|---|---|---|
| Basic static load rating | C0 |
143 kN
|
| Fatigue load limit | Pu |
18.6 kN
|
| Reference speed |
6 000 r/min
|
|
| Limiting speed |
7 000 r/min
|
|
| Calculation factor | kr |
0.15
|
| Limiting value | e |
0.2
|
| Axial load factor | Y |
0.6
|
MASS
| Mass bearing |
1.53 kg
|
|---|