/wp-content/uploads/2025/Angular-Contact-Ball-Bearings.jpg
Koyo 7921C FY
(BRAND)：KOYO
(Availability)：In Stock
Specifications
(Boundary dimensions ...etc)
d
105 mm
D
145 mm
B
20 mm
r(min.)
1.1 mm
r1(min.)
0.6 mm
Basic load ratings : Cr
70.8 kN
Basic load ratings : C0r
61.5 kN
Fatigue load limit : Cu
2.90 kN
factor : f0
16.4
Limiting speeds(Grease lub.)
6700 min-1
Limiting speeds(Oil lub.)
8800 min-1
Load center spread : a
26.7 mm
Mounting dimensions
da(min.)
112 mm
Da(max.)
138 mm
ra(max.)
1 mm
Refer.
(Refer.)Mass
0.810 kg
