NSK 7244A
Standard Series High Precision Angular Contact Ball Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
7244A
Boundary Dimensions
d
220
mm
Bore diameter
D
400
mm
Outside diameter
B
65
mm
Width
r(min.)
4
mm
Chamfer Dimension
r1(min.)
1.5
mm
Chamfer Dimension
Basic Load Ratings
Cr
515
kN
Basic Dynamic Load Rating
C0r
585
kN
Basic Static Load Rating
Speeds
Grease
2100
min-1
Limiting Speed
Oil (Oil-air)
3000
min-1
Limiting Speed
Dimensions
A: 30°
Contact Angle
a
122.0
mm
Effective Load Center
Abutment and Fillet Dimensions
da(min.)
238
mm
Diameter of Shaft Abutment
Da(max.)
382
mm
Diameter of Housing Abutment
Db(max.)
391
mm
Diameter of Housing Abutment
ra(max.)
3
mm
Radius of Shaft or Housing Fillet
rb(max.)
1.5
mm
Radius of Shaft or Housing Fillet
