NSK N305M
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
N305M
Boundary Dimensions
d
25
mm
Bore diameter
D
62
mm
Outside diameter
B
17
mm
Width
EW
53
mm
Raceway diameter of outer ring
r (min.)
1.1
mm
Chamfer dimension
r1 (min.)
1.1
mm
Chamfer dimension
Basic Load Ratings
Cr
38500
N
Basic dynamic load rating
C0r
27700
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
12000
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease
10000
min-1
Grease lubrication
Oil (Oil-bath)
13000
min-1
Oil-bath lubrication
da (min.)
31.5
mm
Diameter of shaft abutment
Db (min.)
55
mm
Diameter of housing abutment
Db (max.)
55.5
mm
Diameter of housing abutment
ra (max.)
1
mm
Radius of shaft or housing fillet
rb (max.)
1
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
0.266
kg
Mass approx.
