NSK 7220A
Standard Series High Precision Angular Contact Ball Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
7220A
Boundary Dimensions
d
100
mm
Bore diameter
D
180
mm
Outside diameter
B
34
mm
Width
r(min.)
2.1
mm
Chamfer Dimension
r1(min.)
1.1
mm
Chamfer Dimension
Basic Load Ratings
Cr
173
kN
Basic Dynamic Load Rating
C0r
117
kN
Basic Static Load Rating
Speeds
Grease
5400
min-1
Limiting Speed
Oil (Oil-air)
7200
min-1
Limiting Speed
Dimensions
A: 30°
Contact Angle
a
57.4
mm
Effective Load Center
Abutment and Fillet Dimensions
da(min.)
112
mm
Diameter of Shaft Abutment
Da(max.)
168
mm
Diameter of Housing Abutment
Db(max.)
173
mm
Diameter of Housing Abutment
ra(max.)
2
mm
Radius of Shaft or Housing Fillet
rb(max.)
1
mm
Radius of Shaft or Housing Fillet
