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25578/25520

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

25578/25520

Boundary Dimensions

d 42.862 mm
D 82.931 mm
B 25.4 mm
T 23.812 mm
C 19.05 mm
Cup r (min.) 0.8 mm
Cone r (min.) 2.3 mm

Basic Load Ratings

Cr 94000 N Basic dynamic load rating
C0r 99000 N Basic static load rating

Speeds

Grease 4500 min-1
Oil 6000 min-1

Dimensions

a 17.6 mm

Abutment and Fillet Dimensions

da 53 mm
db 49.5 mm
Da 74 mm
Db 77 mm
ra (max.) 2.3 mm

Calculation factors

e 0.33
Y1 1.8
Y0 0.99

Additional information

Mass

(approx.) 0.383 kg