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3984/3920

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

3984/3920

Boundary Dimensions

d 66.675 mm
D 112.712 mm
B 30.048 mm
T 30.162 mm
C 23.812 mm
Cup r (min.) 3.2 mm
Cone r (min.) 3.5 mm

Basic Load Ratings

Cr 128000 N Basic dynamic load rating
C0r 149000 N Basic static load rating

Speeds

Grease 3200 min-1
Oil 4300 min-1

Dimensions

a 25.5 mm

Abutment and Fillet Dimensions

da 80 mm
db 74 mm
Da 99 mm
Db 106 mm
ra (max.) 3.5 mm

Calculation factors

e 0.4
Y1 1.5
Y0 0.82

Additional information

Mass

(approx.) 0.712 kg