NSK 7228A
Single-Row Angular Contact Ball Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
7228A
Boundary Dimensions
d
140
mm
Bore diameter
D
250
mm
Outside diameter
B
42
mm
Width
r (min.)
3
mm
Chamfer dimension
r1 (min.)
1.1
mm
Chamfer dimension
Basic Load Ratings
Cr
240000
N
Basic dynamic load rating
C0r
234000
N
Basic static load rating
Speeds
Grease
2200
min-1
Grease lubrication
Oil (Oil-bath)
3000
min-1
Oil-bath lubrication
a
77.3
mm
Effective load center
Dimensions
da (min.)
154
mm
Diameter of shaft abutment
Da (max.)
236
mm
Diameter of housing abutment
ra (max.)
2.5
mm
Radius of shaft or housing fillet
