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3877/3820

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

3877/3820

Boundary Dimensions

d 41.275 mm
D 85.725 mm
B 30.162 mm
T 30.162 mm
C 23.812 mm
Cup r (min.) 3.3 mm
Cone r (min.) 3.5 mm

Basic Load Ratings

Cr 112000 N Basic dynamic load rating
C0r 115000 N Basic static load rating

Speeds

Grease 4300 min-1
Oil 6000 min-1

Dimensions

a 21.8 mm

Abutment and Fillet Dimensions

da 57 mm
db 50 mm
Da 73 mm
Db 81 mm
ra (max.) 3.5 mm

Calculation factors

e 0.4
Y1 1.5
Y0 0.82

Additional information

Mass

(approx.) 0.506 kg