NSK NJ2230EM
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NJ2230EM
Boundary Dimensions
d
150
mm
Bore diameter
D
270
mm
Outside diameter
B
73
mm
Width
FW
182
mm
Raceway diameter of inner ring
r (min.)
3
mm
Chamfer dimension
r1 (min.)
3
mm
Chamfer dimension
Basic Load Ratings
Cr
780000
N
Basic dynamic load rating
C0r
930000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
2800
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil)
3800
min-1
Properly designed and controlled forced-circulation oil lubrication
Grease
2000
min-1
Grease lubrication
Oil (Oil-bath)
2600
min-1
Oil-bath lubrication
db (min.)
163
mm
Diameter of shaft / spacer sleeve abutment
db (max.)
177
mm
Diameter of shaft / spacer sleeve abutment
dd (min.)
196
mm
Diameter of shaft abutment
Da (max.)
257
mm
Diameter of housing abutment
ra (max.)
2.5
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
19.4
kg
Mass approx.
