NSK NU2248M
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NU2248M
Boundary Dimensions
d
240
mm
Bore diameter
D
440
mm
Outside diameter
B
120
mm
Width
FW
295
mm
Raceway diameter of inner ring
r (min.)
4
mm
Chamfer dimension
r1 (min.)
4
mm
Chamfer dimension
Basic Load Ratings
Cr
1770000
N
Basic dynamic load rating
C0r
2320000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
1500
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease
1200
min-1
Grease lubrication
Oil (Oil-bath)
1500
min-1
Oil-bath lubrication
db (min.)
256
mm
Diameter of shaft / spacer sleeve abutment
db (max.)
289
mm
Diameter of shaft / spacer sleeve abutment
dc (min.)
298
mm
Diameter of shaft abutment
Da (max.)
424
mm
Diameter of housing abutment
ra (max.)
3
mm
Radius of shaft or housing fillet
rb (max.)
3
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
84.9
kg
Mass approx.
