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7228ADB

Matched Angular Contact Ball Bearings

Matched Angular Contact Ball Bearings

Product Information

Designations

7228ADB

Boundary Dimensions

d	140	mm
D	250	mm
r (min.）	3	mm
r1 (min.)	1.1	mm

Basic Load Ratings

C_r	390000	N	Basic dynamic load rating
C_0r	470000	N	Basic static load rating

Speeds

Grease	1800	min-1
Oil	2400	min-1

Dimensions

a0

154.6

mm

Abutment and Fillet Dimensions

da (min.)	154	mm
Db(max.)	243	mm
ra (min.)	2.5	mm
rb (max.)	1	mm

Calculation factors

Additional information

Mass

(approx.)

17.84

kg