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387/382A

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

387/382A

Boundary Dimensions

d 57.15 mm
D 96.838 mm
B 21.946 mm
T 21 mm
C 15.875 mm
Cup r (min.) 0.8 mm
Cone r (min.) 2.3 mm

Basic Load Ratings

Cr 90000 N Basic dynamic load rating
C0r 89500 N Basic static load rating

Speeds

Grease 3600 min-1
Oil 5000 min-1

Dimensions

a 17.6 mm

Abutment and Fillet Dimensions

da 66 mm
db 62 mm
Da 89 mm
Db 92 mm
ra (max.) 2.3 mm

Calculation factors

e 0.35
Y1 1.7
Y0 0.93

Additional information

Mass

(approx.) 0.423 kg