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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. The outer ring flange bearing is separable, i.e. the outer ring and needle roller and cage assemblies can be installed separately.
SKF NAO 40X55X17
| d |
40 mm
|
aperture |
|---|---|---|
| D |
55 mm
|
Outside diameter |
| B |
17 mm
|
width |
| C |
17 mm
|
Outer ring width |
| E |
50 mm
|
Outer ring raceway diameter |
| F |
45 mm
|
Inner ring raceway diameter |
| r1,2 |
min.0.3 mm
|
Chamfer size of the outer ring |
| s |
max.0.8 mm
|
Bearing rings in normal position allow axial displacement relative to other rings |
| da |
49.2 mm
|
Minimum permissible shoulder shaft diameter and rolling bearing without flange |
|---|---|---|
| db |
44.5 mm
|
Minimum permissible shoulder shaft diameter and rolling bearing without flange |
| Da |
50.5 mm
|
Housing shoulder diameter |
| Db |
45.6 mm
|
Minimum permissible shoulder diameter for housings without flanges and bearings |
| ra |
max.0.3 mm
|
Chamfer radius |
| Basic dynamic load rating | C |
21.6 kN
|
|---|---|---|
| Basic static load rating | C0 |
46.5 kN
|
| Fatigue load limits | Pu |
5.6 kN
|
| Reference speed |
9 000 r/min
|
|
| Limit speed |
10 000 r/min
|
As a professional bearing exporter and SKF distributor, WS Bearing stocks thousands kindsof SKF needle roller bearings for sale，We can export to Singapore–Viet Nam–Malaysia– Indonesia-Germany-USA etc.we have always been committed to providing our customers with the highest quality products and the most satisfactory services. Through collaborations with top brands such as SKF, TIMKEN, FAG, THK, and others, we have not only established a wide range of product lines but also accumulated rich industry experience and technical knowledge. If you have problems about selecting proper bearings for your special applications, please contact us right now
