NSK NF311M
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NF311M
Boundary Dimensions
d
55
mm
Bore diameter
D
120
mm
Outside diameter
B
29
mm
Width
EW
104.5
mm
Raceway diameter of outer ring
r (min.)
2
mm
Chamfer dimension
r1 (min.)
2
mm
Chamfer dimension
Basic Load Ratings
Cr
136000
N
Basic dynamic load rating
C0r
111000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
6300
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease
5000
min-1
Grease lubrication
Oil (Oil-bath)
6300
min-1
Oil-bath lubrication
da (min.)
64
mm
Diameter of shaft abutment
Db (min.)
107
mm
Diameter of housing abutment
Da (max.)
111
mm
Diameter of housing abutment
Db (max.)
111
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.
1.62
kg
Mass approx.
