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JM714249/JM714210

Inch Design Tapered Roller Bearings
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Parts Number
JM714249/JM714210 Inch Series Tapered Roller Bearings
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Display units

Parts Number

JM714249/JM714210

Boundary Dimensions

d 75 mm Bore diameter
D 120 mm Outside diameter
T 31 mm Total width
B 29.5 mm Width of inner ring
C 25 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 158000 N Basic dynamic load rating
C0r 198000 N Basic static load rating

Speeds

Grease 2800 min-1 Grease lubrication
Oil (Oil-bath) 3800 min-1 Oil-bath lubrication

Dimensions

a 28.8 mm Effective load center

Abutment and Fillet Dimensions

da 88 mm Diameter of shaft abutment
Da 108 mm Diameter of housing abutment
db 83 mm Diameter of shaft abutment
Db 115 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

Calculation factors

e 0.44 Constant
Y0 0.74 Axial load Factors
Y1 1.4 Axial load Factors

Mass

CONE (approx.) 0.863 kg
CUP (approx.) 0.436 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations JM714249/JM714210

© NSK Ltd.

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