NSK N312M
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
N312M
Boundary Dimensions
d
60
mm
Bore diameter
D
130
mm
Outside diameter
B
31
mm
Width
EW
113
mm
Raceway diameter of outer ring
r (min.)
2.1
mm
Chamfer dimension
r1 (min.)
2.1
mm
Chamfer dimension
Basic Load Ratings
Cr
152000
N
Basic dynamic load rating
C0r
126000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
6000
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease
4800
min-1
Grease lubrication
Oil (Oil-bath)
5600
min-1
Oil-bath lubrication
da (min.)
71
mm
Diameter of shaft abutment
Db (min.)
116
mm
Diameter of housing abutment
Db (max.)
119
mm
Diameter of housing abutment
ra (max.)
2
mm
Radius of shaft or housing fillet
rb (max.)
2
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
1.95
kg
Mass approx.
