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639VV

Extra Small Ball Bearings and Miniature Ball Bearings

Extra Small Ball Bearings and Miniature Ball Bearings

Product Information

Designations

639VV

Boundary Dimensions

d	9	mm
D	30	mm
B	10	mm
r1 (min.)	0.6	mm

Basic Load Ratings

C_r	5600	N	Basic dynamic load rating
C_0r	2390	N	Basic static load rating

Speeds

Grease

24000

min-1

Dimensions

Abutment and Fillet Dimensions

db (max.)	15.4	mm
Db(max.)	25.6	mm
rb (max.)	0.6	mm

Calculation factors

Additional information

Z	8
DW	4.762	mm

Mass

(approx.)

0.036

kg