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28138/28315

Inch Series Tapered Roller Bearings

Inch Series Tapered Roller Bearings

Product Information

Designations

28138/28315

Boundary Dimensions

d	34.976	mm
D	80	mm
B	20.94	mm
T	21.006	mm
C	15.875	mm
Cup r (min.)	1.5	mm
Cone r (min.)	1.5	mm

Basic Load Ratings

C_r	69500	N	Basic dynamic load rating
C_0r	64500	N	Basic static load rating

Speeds

Grease	5000	min-1
Oil	6700	min-1

Dimensions

a

16

mm

Abutment and Fillet Dimensions

da	43.5	mm
db	41	mm
Da	69	mm
Db	73	mm
ra (max.)	1.5	mm

Calculation factors

e	0.4
Y1	1.5
Y0	0.82

Additional information

Mass

(approx.)

0.308

kg