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687/672

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

687/672

Boundary Dimensions

d 101.6 mm
D 168.275 mm
B 41.275 mm
T 41.275 mm
C 30.162 mm
Cup r (min.) 3.3 mm
Cone r (min.) 3.5 mm

Basic Load Ratings

Cr 274000 N Basic dynamic load rating
C0r 345000 N Basic static load rating

Speeds

Grease 2000 min-1
Oil 2800 min-1

Dimensions

a 38.3 mm

Abutment and Fillet Dimensions

da 118 mm
db 112 mm
Da 149 mm
Db 160 mm
ra (max.) 3.5 mm

Calculation factors

e 0.47
Y1 1.3
Y0 0.7

Additional information

Mass

(approx.) 2.15 kg