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JHM840449/JHM840410

Inch Design Tapered Roller Bearings
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Parts Number
JHM840449/JHM840410 Inch Series Tapered Roller Bearings
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Display units

Parts Number

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

Dimensions

a 73.1 mm Effective load center

Abutment and Fillet 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

Calculation factors

e 0.52 Constant
Y0 0.63 Axial load Factors
Y1 1.2 Axial load Factors

Mass

CONE (approx.) 10.3 kg
CUP (approx.) 5.19 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations JHM840449/JHM840410

© NSK Ltd.

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