NSK 18590/18520
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
18590/18520
Boundary Dimensions
d
41.275
mm
Bore diameter
D
73.025
mm
Outside diameter
T
16.667
mm
Total width
B
17.462
mm
Width of inner ring
C
12.7
mm
Width of outer ring
Cup r (min.)
1.5
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
3.5
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
55000
N
Basic dynamic load rating
C0r
54000
N
Basic static load rating
Speeds
Grease
4800
min-1
Grease lubrication
Oil (Oil-bath)
6700
min-1
Oil-bath lubrication
a
14
mm
Effective load center
Dimensions
da
53
mm
Diameter of shaft abutment
Da
66
mm
Diameter of housing abutment
db
46
mm
Diameter of shaft abutment
Db
69
mm
Diameter of housing abutment
ra (max.)
3.5
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
1.5
mm
Radius of shaft or housing fillet of outer ring
