684

Deep groove ball bearings - Extra-small, miniature ball bearings - Standard type - Open

Specifications
(Boundary dimensions ...etc)

d
4 mm
D
9 mm
B
2.5 mm
r(min.)
0.15 mm
Basic load ratings : Cr
0.800 kN
Basic load ratings : C0r
0.23 kN
Fatigue load limit : Cu
0.006 kN
factor : f0
12.8
Limiting speeds(Grease lub.)
59000 min-1
Limiting speeds(Oil lub.)
70000 min-1

Mounting dimensions

da(min.)
5.2 mm
Da(max.)
7.8 mm
ra(max.)
0.1 mm

Refer.

(Refer.)Mass
0.6 g

Technical calculation for this product.

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