NSK JHM840449/JHM840410
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
JHM840449/JHM840410
Boundary Dimensions
d
200
mm
Bore diameter
D
300
mm
Outside diameter
T
65
mm
Total width
B
62
mm
Width of inner ring
C
51
mm
Width of outer ring
Cup r (min.)
2.5
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
3.5
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
755000
N
Basic dynamic load rating
C0r
1130000
N
Basic static load rating
Speeds
Grease
1000
min-1
Grease lubrication
Oil (Oil-bath)
1400
min-1
Oil-bath lubrication
a
73.1
mm
Effective load center
Dimensions
da
223
mm
Diameter of shaft abutment
Da
273
mm
Diameter of housing abutment
db
215
mm
Diameter of shaft abutment
Db
289
mm
Diameter of housing abutment
ra (max.)
3.5
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
2.5
mm
Radius of shaft or housing fillet of outer ring
