638-ZZ – 10 PCS
You are buying new
10 (ten) 638-ZZ quality bearings.
Deep Groove Ball Bearing
Dimension
D (Outside)
28 mm
d (Inside) Bore
8 mm
B (Width)
9 mm
Wgt. g
28.3g per pc
RPM Limit
Grease 28000 rpm
Oil 34000 rpm
Vibration Level
V1- Above standard and less than V2
Shield/Closure codes
2z (Two side metal shields)
Lubrication
Wide Temperature Range: - 20 C to 120 C
ABEC Tolerance Codes
ABEC1
