NSK JH307749/JH307710
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
JH307749/JH307710
Boundary Dimensions
d
55
mm
Bore diameter
D
110
mm
Outside diameter
T
39
mm
Total width
B
39
mm
Width of inner ring
C
32
mm
Width of outer ring
Cup r (min.)
2.5
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
3
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
217000
N
Basic dynamic load rating
C0r
225000
N
Basic static load rating
Speeds
Grease
3400
min-1
Grease lubrication
Oil (Oil-bath)
4500
min-1
Oil-bath lubrication
a
27.2
mm
Effective load center
Dimensions
da
71
mm
Diameter of shaft abutment
Da
97
mm
Diameter of housing abutment
db
64
mm
Diameter of shaft abutment
Db
104
mm
Diameter of housing abutment
ra (max.)
3
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
2.5
mm
Radius of shaft or housing fillet of outer ring
