NSK NJ244EM
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NJ244EM
Boundary Dimensions
d
220
mm
Bore diameter
D
400
mm
Outside diameter
B
65
mm
Width
FW
268
mm
Raceway diameter of inner ring
r (min.)
4
mm
Chamfer dimension
r1 (min.)
4
mm
Chamfer dimension
Basic Load Ratings
Cr
1110000
N
Basic dynamic load rating
C0r
1250000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
1700
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease
1500
min-1
Grease lubrication
Oil (Oil-bath)
1800
min-1
Oil-bath lubrication
db (min.)
236
mm
Diameter of shaft / spacer sleeve abutment
db (max.)
262
mm
Diameter of shaft / spacer sleeve abutment
dd (min.)
289
mm
Diameter of shaft abutment
Da (max.)
384
mm
Diameter of housing abutment
ra (max.)
3
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
38.1
kg
Mass approx.
