NSK 9180/9121
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
9180/9121
Boundary Dimensions
d
61.912
mm
Bore diameter
D
152.4
mm
Outside diameter
T
47.625
mm
Total width
B
46.038
mm
Width of inner ring
C
31.75
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
292000
N
Basic dynamic load rating
C0r
267000
N
Basic static load rating
Speeds
Grease
2400
min-1
Grease lubrication
Oil (Oil-bath)
3400
min-1
Oil-bath lubrication
a
44.3
mm
Effective load center
Dimensions
da
90
mm
Diameter of shaft abutment
Da
130
mm
Diameter of housing abutment
db
81
mm
Diameter of shaft abutment
Db
145
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
