NSK N307W
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
N307W
Boundary Dimensions
d
35
mm
Bore diameter
D
80
mm
Outside diameter
B
21
mm
Width
EW
68.2
mm
Raceway diameter of outer ring
r (min.)
1.5
mm
Chamfer dimension
r1 (min.)
1.1
mm
Chamfer dimension
Basic Load Ratings
Cr
61000
N
Basic dynamic load rating
C0r
47000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
9500
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease
6300
min-1
Grease lubrication
Oil (Oil-bath)
7500
min-1
Oil-bath lubrication
da (min.)
43
mm
Diameter of shaft abutment
Db (min.)
71
mm
Diameter of housing abutment
Db (max.)
73.5
mm
Diameter of housing abutment
ra (max.)
1.5
mm
Radius of shaft or housing fillet
rb (max.)
1
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
0.476
kg
Mass approx.
