638 ZZ/RS/OPEN

638 ZZ/RS/OPEN
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  • 638 ZZ/RS/OPEN
Product name : 638 ZZ/RS/OPEN
Product No. : Ball Bearing 638 8x28x9mm
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Details:

 
638 bearing has open, seals and shield types, and v-groove inner ring is available.

These miniature bearings have greatly wide range of applied fields including Skateboard, RC Car, Dental, Fishing Reel,Yoyo, Instrument, Electric Motor, Medical and so on.

Demesions:
Bearing No. 638, 638-ZZ, 638-2RS, 638Z, 638RS, 638 ZZ, 638 RS
Bore diameter (d) 8 mm
Outer diameter (D) 28 mm
Width (B) 9 mm
Basic Load Rating(N)
Dynamic(Cr) 3879
Static(Cor) 1586
Max. Speed(RPM)
Grease 28000
Oil 34000
Weight(g)
Approx. 28.1
Grade P0, P6, P5
Radial Clearance C0, C2, C3

 Technical Data:
Part number rule
Dimension Tolerance
Radial clearance
Vibration
Grease

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