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NK55/25-D-XL
Needle roller bearing NK55/25-D-XL
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Main Dimensions & Performance Data
Fw
55 mm
Under roller diameter
D
68 mm
Outside diameter
C
25 mm
Width, outer ring
Cr
57,000 N
Basic dynamic load rating, radial
C0r
111,000 N
Basic static load rating, radial
Cur
19,700 N
Fatigue load limit, radial
nG
8,400 1/min
Limiting speed
nϑr
4,700 1/min
Reference speed
≈m
0.195 kg
Weight

Dimensions
rmin
0.6 mm
Minimum chamfer dimension

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

Your current product variant
LubricantWithout
CageStandard
Cage featureDoptimized Cage for Downsizing
Tolerance classPNNormal (PN)
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