NSK 7230A
Standard Series High Precision Angular Contact Ball Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
7230A
Boundary Dimensions
d
150
mm
Bore diameter
D
270
mm
Outside diameter
B
45
mm
Width
r(min.)
3
mm
Chamfer Dimension
r1(min.)
1.1
mm
Chamfer Dimension
Basic Load Ratings
Cr
315
kN
Basic Dynamic Load Rating
C0r
280
kN
Basic Static Load Rating
Speeds
Grease
3600
min-1
Limiting Speed
Oil (Oil-air)
4800
min-1
Limiting Speed
Dimensions
A: 30°
Contact Angle
a
83.1
mm
Effective Load Center
Abutment and Fillet Dimensions
da(min.)
164
mm
Diameter of Shaft Abutment
Da(max.)
256
mm
Diameter of Housing Abutment
Db(max.)
263
mm
Diameter of Housing Abutment
ra(max.)
2.5
mm
Radius of Shaft or Housing Fillet
rb(max.)
1
mm
Radius of Shaft or Housing Fillet
