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Single row needle roller bearings have a smaller diameter relative to their length. Due to the large number of rollers, the bearing has a large load carrying capacity. Integral flanges on both sides of the outer ring for axial guiding bearings, lubrication grooves with one or more lubrication holes for easy relubrication.
SKF NA 6905
| d |
25 mm
|
aperture |
|---|---|---|
| D |
42 mm
|
Outside diameter |
| B |
30 mm
|
width |
| F |
30 mm
|
Inner ring raceway diameter |
| r1,2 |
min.0.3 mm
|
Chamfer size of the outer ring |
| s |
max.1 mm
|
Bearing rings in normal position allow axial displacement relative to other rings |
| da |
min.27 mm
|
Minimum permissible shaft diameter and rolling bearing without flange |
|---|---|---|
| Da |
max.40 mm
|
Housing shoulder diameter |
| ra |
max.0.3 mm
|
Chamfer radius |
| Basic dynamic load rating | C |
38 kN
|
|---|---|---|
| Basic static load rating | C0 |
62 kN
|
| Fatigue load limits | Pu |
7.65 kN
|
| Reference speed |
13 000 r/min
|
|
| Limit speed |
15 000 r/min
|
