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2788/2735X

Inch Design Tapered Roller Bearings
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Parts Number
2788/2735X Inch Series Tapered Roller Bearings
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Display units

Parts Number

2788/2735X

Boundary Dimensions

d 38.1 mm Bore diameter
D 73.025 mm Outside diameter
T 23.812 mm Total width
B 25.654 mm Width of inner ring
C 19.05 mm Width of outer ring
Cup r (min.) 0.8 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 3.5 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 90500 N Basic dynamic load rating
C0r 91000 N Basic static load rating

Speeds

Grease 5000 min-1 Grease lubrication
Oil (Oil-bath) 6700 min-1 Oil-bath lubrication

Dimensions

a 15.9 mm Effective load center

Abutment and Fillet Dimensions

da 50 mm Diameter of shaft abutment
Da 66 mm Diameter of housing abutment
db 43.5 mm Diameter of shaft abutment
Db 69 mm Diameter of housing abutment
ra (max.) 3.5 mm Radius of shaft or housing fillet of inner ring
ra (max.) 0.8 mm Radius of shaft or housing fillet of outer ring

Calculation factors

e 0.3 Constant
Y0 1.1 Axial load Factors
Y1 2 Axial load Factors

Mass

CONE (approx.) 0.312 kg
CUP (approx.) 0.135 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 2788/2735X

© NSK Ltd.

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