NSK 9378/9320
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
9378/9320
Boundary Dimensions
d
76.2
mm
Bore diameter
D
177.8
mm
Outside diameter
T
55.562
mm
Total width
B
50.8
mm
Width of inner ring
C
34.925
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
315000
N
Basic dynamic load rating
C0r
310000
N
Basic static load rating
Speeds
Grease
2000
min-1
Grease lubrication
Oil (Oil-bath)
2800
min-1
Oil-bath lubrication
a
57.3
mm
Effective load center
Dimensions
da
105
mm
Diameter of shaft abutment
Da
148
mm
Diameter of housing abutment
db
98
mm
Diameter of shaft abutment
Db
164
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
