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NK45/20-F-XL
Needle roller bearing NK45/20-F-XL
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Main Dimensions & Performance Data
Fw
45 mm
Under roller diameter
D
55 mm
Outside diameter
C
20 mm
Width, outer ring
Cr
31,000 N
Basic dynamic load rating, radial
C0r
53,000 N
Basic static load rating, radial
Cur
9,400 N
Fatigue load limit, radial
nG
10,200 1/min
Limiting speed
nϑr
6,200 1/min
Reference speed
≈m
90.2 g
Weight

Dimensions
rmin
0.3 mm
Minimum chamfer dimension

Temperature range
Tmin
-30 °C
Operating temperature min.
Tmax
120 °C
Operating temperature max.

Additional information
G45X55X4
Sealing ring
SD45X55X4
Sealing ring 2

Your current product variant
LubricantWithout
CageFCage of steel
Cage featureStandard
Tolerance classPNNormal (PN)
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