NSK 15578/15520
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
15578/15520
Boundary Dimensions
d
25.4
mm
Bore diameter
D
57.15
mm
Outside diameter
T
17.462
mm
Total width
B
17.462
mm
Width of inner ring
C
13.495
mm
Width of outer ring
Cup r (min.)
1.5
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
1.3
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
49000
N
Basic dynamic load rating
C0r
45500
N
Basic static load rating
Speeds
Grease
6700
min-1
Grease lubrication
Oil (Oil-bath)
9000
min-1
Oil-bath lubrication
a
12.4
mm
Effective load center
Dimensions
da
32.5
mm
Diameter of shaft abutment
Da
51
mm
Diameter of housing abutment
db
30.5
mm
Diameter of shaft abutment
Db
53
mm
Diameter of housing abutment
ra (max.)
1.3
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
1.5
mm
Radius of shaft or housing fillet of outer ring
