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SKF needle roller bearings SKF NA 6909

Home SKF BEARING SKF needle roller bearings SKF NA 6909

SKF needle roller bearings SKF NA 6909

The diameter of the double-row needle roller bearing cylindrical rollers is small relative to the length. Due to the large number of rollers, the bearing has a large load carrying capacity. The outer ring includes the flange of the guide roller and cage assembly, which is characterized by a favorable lubrication. The inner and outer rings can be assembled separately to achieve an interference fit between the shaft and housing, thus facilitating maintenance checks.

  • High radial load-bearing capacity
  • High rigidity
  • Small cross-section
  • It can withstand bidirectional axial displacement
  • Detachable design
SKF BEARING

Description

SKF NA 6909

Dimensions - NA 6909

size

d
45 mm
 aperture
D
68 mm
 Outside diameter
B
40 mm
 width
F
52 mm
 Inner ring raceway diameter
r1,2
min.0.6 mm
 Chamfer size of the outer ring
s
max.0.5 mm
 Bearing rings in normal position allow axial displacement relative to other rings
Abutment size - NA 6909

Shoulder size

da
min.49 mm
 Minimum permissible shaft diameter and rolling bearing without flange
Da
max.64 mm
 Housing shoulder diameter
ra
max.0.6 mm
 Chamfer radius

Data calculations

Basic dynamic load rating C
70.4 kN
Basic static load rating C0
137 kN
Fatigue load limits Pu
17 kN
Reference speed
7 500 r/min
Limit speed
8 500 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

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