Item # 7228DB, Duplex Pair Angular Contact Ball Bearings in Back to Back Arrangement (DB) On Bearing Distributors, Inc.

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Specifications | Boundary Dimensions | Technical Specifications | Abutment and Fillet Dimensions

Specifications

Brand	N/A Nachi America, Inc.
Bore Type	N/A Cylindrical Bore
Enclosure	N/A Open
Configuration	N/A Duplex
Weight	N/A 8.780 kg

Boundary Dimensions

Bore Size	N/A 140 mm
Outside Diameter	N/A 250 mm
Width	N/A 42 mm
Fillet Radius/Chamfer	N/A 3 mm
r1	N/A 1.1 mm

Technical Specifications

Dynamic Load Rating	N/A 345,000 N
Static Load Rating	N/A 525,000 N
Limiting Speed - Grease	N/A 1,800 rpm
Limiting Speed - Oil	N/A 2,400 rpm

Abutment and Fillet Dimensions

da1 (min)	N/A 154 mm
da2 (min)	N/A 147 mm
Da1 (max)	N/A 236 mm
Da2 (max)	N/A 243 mm
ra (max)	N/A 2.5 mm
ra1 (max)	N/A 1 mm