NSK 7940C
Standard Series High Precision Angular Contact Ball Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
7940C
Boundary Dimensions
d
200
mm
Bore diameter
D
280
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
244
kN
Basic Static Load Rating
Speeds
Grease
4400
min-1
Limiting Speed
Oil (Oil-air)
6900
min-1
Limiting Speed
Dimensions
C: 15°
Contact Angle
a
51.2
mm
Effective Load Center
Abutment and Fillet Dimensions
da(min.)
212
mm
Diameter of Shaft Abutment
Da(max.)
268
mm
Diameter of Housing Abutment
Db(max.)
273
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
