/wp-content/uploads/2025/Deep-Groove-Ball-Bearings.jpg
Koyo W689 2RU
(BRAND)：KOYO
(Availability)：In Stock
Specifications
(Boundary dimensions ...etc)
d
9 mm
D
17 mm
B
5 mm
r(min.)
0.2 mm
Basic load ratings : Cr
1.65 kN
Basic load ratings : C0r
0.66 kN
Fatigue load limit : Cu
0.020 kN
factor : f0
14.9
Limiting speeds(Grease lub.)
39000 min-1
Limiting speeds(Oil lub.)
- min-1
Mounting dimensions
da(min.)
10.6 mm
Da(max.)
15.4 mm
ra(max.)
0.2 mm
Refer.
(Refer.)Mass
3.5 g
