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644/632

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

644/632

Boundary Dimensions

d 71.438 mm
D 136.525 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 239000 N Basic dynamic load rating
C0r 263000 N Basic static load rating

Speeds

Grease 2800 min-1
Oil 3800 min-1

Dimensions

a 29.9 mm

Abutment and Fillet Dimensions

da 87 mm
db 81 mm
Da 118 mm
Db 125 mm
ra (max.) 3.5 mm

Calculation factors

e 0.36
Y1 1.7
Y0 0.91

Additional information

Mass

(approx.) 1.5 kg