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749A/742

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

749A/742

Boundary Dimensions

d 82.55 mm
D 150.089 mm
B 46.672 mm
T 44.45 mm
C 36.512 mm
Cup r (min.) 3.3 mm
Cone r (min.) 3.5 mm

Basic Load Ratings

Cr 325000 N Basic dynamic load rating
C0r 370000 N Basic static load rating

Speeds

Grease 2400 min-1
Oil 3200 min-1

Dimensions

a 32.5 mm

Abutment and Fillet Dimensions

da 98 mm
db 93 mm
Da 135 mm
Db 143 mm
ra (max.) 3.5 mm

Calculation factors

e 0.33
Y1 1.8
Y0 1

Additional information

Mass

(approx.) 2.26 kg