639.ZZC2

639 ZZC2

KOYO

JAPAN

Deep groove ball bearings

Extra-small, miniature ball bearings

Standard type – Shielded ZZ

Categories: Automotive Bearings, Bearings, Miniature Bearing

Specifications
(Boundary dimensions …etc)

d: 9 mm

D: 30 mm

B: 10 mm

r(min.): 0.6 mm

Basic load ratings : Cr: 7.50 kN

Basic load ratings : C0r: 2.65 kN

Fatigue load limit : Cu: 0.210 kN

factor : f0: 12.3

Limiting speeds(Grease lub.): 24000 min-1

Limiting speeds(Oil lub.): – min-1

Dimensions	9 × 30 × 10 mm

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