NSK 7920A5
Standard Series High Precision Angular Contact Ball Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
7920A5
Boundary Dimensions
d
100
mm
Bore diameter
D
140
mm
Outside diameter
B
20
mm
Width
r(min.)
1.1
mm
Chamfer Dimension
r1(min.)
0.6
mm
Chamfer Dimension
Basic Load Ratings
Cr
59.5
kN
Basic Dynamic Load Rating
C0r
51.5
kN
Basic Static Load Rating
Speeds
Grease
8400
min-1
Limiting Speed
Oil (Oil-air)
12500
min-1
Limiting Speed
Dimensions
A5: 25°
Contact Angle
a
38.0
mm
Effective Load Center
Abutment and Fillet Dimensions
da(min.)
107
mm
Diameter of Shaft Abutment
Da(max.)
133
mm
Diameter of Housing Abutment
Db(max.)
135
mm
Diameter of Housing Abutment
ra(max.)
1
mm
Radius of Shaft or Housing Fillet
rb(max.)
0.6
mm
Radius of Shaft or Housing Fillet
