NSK NNU4938K
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NNU4938K
Boundary Dimensions
d
190
mm
Bore diameter
D
260
mm
Outside diameter
B
69
mm
Width
FW
211.5
mm
Raceway diameter of inner ring
r (min.)
2
mm
Chamfer dimension
Basic Load Ratings
Cr
595000
N
Basic dynamic load rating
C0r
1060000
N
Basic static load rating
Speeds
Grease
2000
min-1
Grease lubrication
Oil (Oil-bath)
2600
min-1
Oil-bath lubrication
da (min.)
199
mm
Diameter of shaft abutment
da (max.)
211
mm
Diameter of shaft abutment
dc (min.)
217
mm
Diameter of shaft abutment
d1a (min.)
203
mm
Diameter of spacer sleeve abutment
Da (max.)
251
mm
Diameter of housing abutment
rb (max.)
2
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
10.9
kg
Mass approx.
