NSK 478/472A
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
478/472A
Boundary Dimensions
d
65
mm
Bore diameter
D
120
mm
Outside diameter
T
29.002
mm
Total width
B
29.007
mm
Width of inner ring
C
23.444
mm
Width of outer ring
Cup r (min.)
3.3
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
2.3
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
151000
N
Basic dynamic load rating
C0r
169000
N
Basic static load rating
Speeds
Grease
3000
min-1
Grease lubrication
Oil (Oil-bath)
4000
min-1
Oil-bath lubrication
a
24.3
mm
Effective load center
Dimensions
da
77
mm
Diameter of shaft abutment
Da
106
mm
Diameter of housing abutment
db
73
mm
Diameter of shaft abutment
Db
114
mm
Diameter of housing abutment
ra (max.)
2.3
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
3.3
mm
Radius of shaft or housing fillet of outer ring
