757/753

Inch Design Tapered Roller Bearings
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Parts Number

757/753

Boundary Dimensions

d 82.55 mm Bore diameter
D 168.275 mm Outside diameter
T 47.625 mm Total width
B 48.26 mm Width of inner ring
C 38.1 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 340000 N Basic dynamic load rating
C0r 390000 N Basic static load rating

Speeds

Grease 2200 min-1 Grease lubrication
Oil (Oil-bath) 3000 min-1 Oil-bath lubrication

Dimensions

a 35.6 mm Effective load center

Abutment and Fillet Dimensions

da 100 mm Diameter of shaft abutment
Da 147 mm Diameter of housing abutment
db 94 mm Diameter of shaft abutment
Db 150 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

Calculation factors

e 0.34 Constant
Y0 0.97 Axial load Factors
Y1 1.8 Axial load Factors

Mass

CONE (approx.) 2.79 kg
CUP (approx.) 2.1 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 757/753
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