NSK N230M
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
N230M
Boundary Dimensions
d
150
mm
Bore diameter
D
270
mm
Outside diameter
B
45
mm
Width
EW
238
mm
Raceway diameter of outer ring
r (min.)
3
mm
Chamfer dimension
r1 (min.)
3
mm
Chamfer dimension
Basic Load Ratings
Cr
460000
N
Basic dynamic load rating
C0r
490000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
3000
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease
2200
min-1
Grease lubrication
Oil (Oil-bath)
2800
min-1
Oil-bath lubrication
da (min.)
163
mm
Diameter of shaft abutment
Db (min.)
243
mm
Diameter of housing abutment
Db (max.)
257
mm
Diameter of housing abutment
ra (max.)
2.5
mm
Radius of shaft or housing fillet
rb (max.)
2.5
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
11.5
kg
Mass approx.
