NSK 7948A5
Standard Series High Precision Angular Contact Ball Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
7948A5
Boundary Dimensions
d
240
mm
Bore diameter
D
320
mm
Outside diameter
B
38
mm
Width
r(min.)
2.1
mm
Chamfer Dimension
r1(min.)
1.1
mm
Chamfer Dimension
Basic Load Ratings
Cr
238
kN
Basic Dynamic Load Rating
C0r
270
kN
Basic Static Load Rating
Speeds
Grease
3300
min-1
Limiting Speed
Oil (Oil-air)
5000
min-1
Limiting Speed
Dimensions
A5: 25°
Contact Angle
a
84.3
mm
Effective Load Center
Abutment and Fillet Dimensions
da(min.)
252
mm
Diameter of Shaft Abutment
Da(max.)
308
mm
Diameter of Housing Abutment
Db(max.)
313
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
