NSK 7944C
Standard Series High Precision Angular Contact Ball Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
7944C
Boundary Dimensions
d
220
mm
Bore diameter
D
300
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
240
kN
Basic Dynamic Load Rating
C0r
256
kN
Basic Static Load Rating
Speeds
Grease
4100
min-1
Limiting Speed
Oil (Oil-air)
6400
min-1
Limiting Speed
Dimensions
C: 15°
Contact Angle
a
53.8
mm
Effective Load Center
Abutment and Fillet Dimensions
da(min.)
232
mm
Diameter of Shaft Abutment
Da(max.)
288
mm
Diameter of Housing Abutment
Db(max.)
293
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
