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SKF needle roller bearings SKF NKI 42/20

Home SKF BEARING SKF needle roller bearings SKF NKI 42/20

SKF needle roller bearings SKF NKI 42/20

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.

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

Description

SKF NKI 42/20

Dimensions - NKI 42/20

size

d
42 mm
 aperture
D
57 mm
 Outside diameter
B
20 mm
 width
F
47 mm
 Inner ring raceway diameter
r1,2
min.0.3 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 - NKI 42/20

Shoulder size

da
min.44 mm
 Minimum permissible shaft diameter and rolling bearing without flange
Da
max.55 mm
 Housing shoulder diameter
ra
max.0.3 mm
 Chamfer radius

Data calculations

Basic dynamic load rating C
29.2 kN
Basic static load rating C0
61 kN
Fatigue load limits Pu
7.65 kN
Reference speed
8 500 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

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