NSK 2580/2523
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
2580/2523
Boundary Dimensions
d
31.75
mm
Bore diameter
D
69.85
mm
Outside diameter
T
23.812
mm
Total width
B
25.357
mm
Width of inner ring
C
19.05
mm
Width of outer ring
Cup r (min.)
1.3
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
0.8
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
87000
N
Basic dynamic load rating
C0r
84000
N
Basic static load rating
Speeds
Grease
5600
min-1
Grease lubrication
Oil (Oil-bath)
7500
min-1
Oil-bath lubrication
a
14.5
mm
Effective load center
Dimensions
da
38.5
mm
Diameter of shaft abutment
Da
61
mm
Diameter of housing abutment
db
37.5
mm
Diameter of shaft abutment
Db
64
mm
Diameter of housing abutment
ra (max.)
0.8
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
1.3
mm
Radius of shaft or housing fillet of outer ring
