NSK 47490/47420
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
47490/47420
Boundary Dimensions
d
71.438
mm
Bore diameter
D
120
mm
Outside diameter
T
32.545
mm
Total width
B
32.545
mm
Width of inner ring
C
26.195
mm
Width of outer ring
Cup r (min.)
3.3
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
3.5
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
178000
N
Basic dynamic load rating
C0r
215000
N
Basic static load rating
Speeds
Grease
3000
min-1
Grease lubrication
Oil (Oil-bath)
4000
min-1
Oil-bath lubrication
a
26
mm
Effective load center
Dimensions
da
86
mm
Diameter of shaft abutment
Da
107
mm
Diameter of housing abutment
db
79
mm
Diameter of shaft abutment
Db
114
mm
Diameter of housing abutment
ra (max.)
3.5
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
3.3
mm
Radius of shaft or housing fillet of outer ring
