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SKF 628/4-2Z Deep Groove Ball Bearings

BRAND : SKF

Technical specification

Details

Technical specification

DIMENSIONS

d
4 mm
D
9 mm
B
3.5 mm
d1
? 5.2 mm
D2
? 8.1 mm
r1,2
min. 0.1 mm

ABUTMENT DIMENSIONS

da
min. 4.6 mm
da
max. 5.1 mm
Da
max. 8.4 mm
ra
max. 0.1 mm

CALCULATION DATA

Basic dynamic load ratingC
0.423 kN
Basic static load ratingC0
0.116 kN
Fatigue load limitPu
0.005 kN
Reference speed
140000 r/min
Limiting speed
70000 r/min
Calculation factorkr
0.015
Calculation factorf0
6.5

MASS

Mass bearing
0.00087 kg