Bearings
W 638/4-2Z SKF Deep groove ball bearings

TYPE: Ball bearings, Radial ball bearings, Single row, Corrosion resistant, Shields 2Z
Bearing W 638/4-2Z SKF

Dimensions, mm

d
4,000
D
9,000
B
4,000

Weight, kg

0,001

Manufacturer:

SKF

Interchange:

ABC S684 2Z
ISC 684hZZS
NMB SSL-940ZZ
NTN FW684ZZA

Calculation data

Basic dynamic load rating, C
0,449 kN
Basic static load rating, Co
0,173 kN
Fatigue load limit, Pu
0,008 kN
Reference speed
140000 r/min
Limiting speed
70000 r/min
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