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776/772

Inch Design Tapered Roller Bearings
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Parts Number
776/772 Inch Series Tapered Roller Bearings
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Display units

Parts Number

776/772

Boundary Dimensions

d 95.25 mm Bore diameter
D 180.975 mm Outside diameter
T 47.625 mm Total width
B 48.006 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 315000 N Basic dynamic load rating
C0r 375000 N Basic static load rating

Speeds

Grease 2000 min-1 Grease lubrication
Oil (Oil-bath) 2600 min-1 Oil-bath lubrication

Dimensions

a 39.1 mm Effective load center

Abutment and Fillet Dimensions

da 114 mm Diameter of shaft abutment
Da 161 mm Diameter of housing abutment
db 107 mm Diameter of shaft abutment
Db 168 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 0.39 Constant
Y0 0.86 Axial load Factors
Y1 1.6 Axial load Factors

Mass

CONE (approx.) 3.25 kg
CUP (approx.) 1.99 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 776/772

© NSK Ltd.

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