NSK 7912A5
Standard Series High Precision Angular Contact Ball Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
7912A5
Boundary Dimensions
d
60
mm
Bore diameter
D
85
mm
Outside diameter
B
13
mm
Width
r(min.)
1
mm
Chamfer Dimension
r1(min.)
0.6
mm
Chamfer Dimension
Basic Load Ratings
Cr
23.1
kN
Basic Dynamic Load Rating
C0r
17.7
kN
Basic Static Load Rating
Speeds
Grease
13800
min-1
Limiting Speed
Oil (Oil-air)
20700
min-1
Limiting Speed
Dimensions
A5: 25°
Contact Angle
a
23.4
mm
Effective Load Center
Abutment and Fillet Dimensions
da(min.)
66
mm
Diameter of Shaft Abutment
Da(max.)
79
mm
Diameter of Housing Abutment
Db(max.)
80
mm
Diameter of Housing Abutment
ra(max.)
1
mm
Radius of Shaft or Housing Fillet
rb(max.)
0.5
mm
Radius of Shaft or Housing Fillet
