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SKF W 638/4 XR-2Z Deep Groove Ball Bearings

BRAND : SKF

Technical specification

Details

Technical specification

DIMENSIONS

d
4 mm
D
10 mm
B
4 mm
d1
? 5.9 mm
D2
? 8.8 mm
D3
11.6 mm
C
0.8 mm
r1,2
min. 0.2 mm

ABUTMENT DIMENSIONS

da
min. 5.6 mm
da
max. 5.8 mm
ra
max. 0.2 mm

CALCULATION DATA

Basic dynamic load ratingC
0.553 kN
Basic static load ratingC0
0.245 kN
Fatigue load limitPu
0.011 kN
Reference speed
130000 r/min
Limiting speed
63000 r/min
Calculation factorkr
0.02
Calculation factorf0
12.3

MASS

Mass bearing
0.0015 kg