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661/653

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

661/653

Boundary Dimensions

d 79.375 mm
D 146.05 mm
B 41.275 mm
T 41.275 mm
C 31.75 mm
Cup r (min.) 3.3 mm
Cone r (min.) 3.5 mm

Basic Load Ratings

Cr 254000 N Basic dynamic load rating
C0r 296000 N Basic static load rating

Speeds

Grease 2400 min-1
Oil 3200 min-1

Dimensions

a 33.2 mm

Abutment and Fillet Dimensions

da 96 mm
db 90 mm
Da 131 mm
Db 139 mm
ra (max.) 3.5 mm

Calculation factors

e 0.41
Y1 1.5
Y0 0.81

Additional information

Mass

(approx.) 1.99 kg