NSK NNU4944
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NNU4944
Boundary Dimensions
d
220
mm
Bore diameter
D
300
mm
Outside diameter
B
80
mm
Width
FW
243
mm
Raceway diameter of inner ring
r (min.)
2.1
mm
Chamfer dimension
Basic Load Ratings
Cr
735000
N
Basic dynamic load rating
C0r
1330000
N
Basic static load rating
Speeds
Grease
1700
min-1
Grease lubrication
Oil (Oil-bath)
2200
min-1
Oil-bath lubrication
da (min.)
231
mm
Diameter of shaft abutment
da (max.)
242
mm
Diameter of shaft abutment
dc (min.)
248
mm
Diameter of shaft abutment
d1a (min.)
234
mm
Diameter of spacer sleeve abutment
Da (max.)
289
mm
Diameter of housing abutment
rb (max.)
2
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
16.6
kg
Mass approx.
