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45289/45221

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

45289/45221

Boundary Dimensions

d 57.15 mm
D 104.775 mm
B 30.958 mm
T 30.162 mm
C 23.812 mm
Cup r (min.) 0.8 mm
Cone r (min.) 0.8 mm

Basic Load Ratings

Cr 160000 N Basic dynamic load rating
C0r 170000 N Basic static load rating

Speeds

Grease 3400 min-1
Oil 4800 min-1

Dimensions

a 21.9 mm

Abutment and Fillet Dimensions

da 65 mm
db 65 mm
Da 95 mm
Db 99 mm
ra (max.) 0.8 mm

Calculation factors

e 0.33
Y1 1.8
Y0 0.99

Additional information

Mass

(approx.) 0.76 kg