Item # NU256, Cylindrical Roller Bearings - NU Design On Nachi America, Inc.

Nachi America Inc.

Nachi America Inc.
715 Pushville Rd.
Greenwood, IN 46143
Phone: (877) 622-4487 or local (317) 530-1001 • Fax: (800) 622-4439
Email: info@nachiamerica.com • Website: www.nachiamerica.com

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

Specifications

Enclosure	N/A Open
Bore Type	N/A Cylindrical Bore
Configuration	N/A Single Row
Weight	N/A 71.500 kg

Boundary Dimensions

Bore Size	N/A 280 mm
Outside Diameter	N/A 500 mm
Width	N/A 80 mm
Fillet Radius/Chamfer	N/A 5 mm
r1	N/A 5 mm

Technical Specifications

Dynamic Load Rating	N/A 1,140,000 N
Static Load Rating	N/A 1,680,000 N
Limiting Speed - Grease	N/A 1,200 rpm
Limiting Speed - Oil	N/A 1,400 rpm
Radial Clearance	N/A 0.125 to 0.195 mm

Abutment and Fillet Dimensions

db (min)	N/A 302 mm
db (max)	N/A 336 mm
dc (min)	N/A 343 mm
dd (min)	N/A 365 mm
Da (max)	N/A 478 mm
ra (max)	N/A 4 mm
ra1 (max)	N/A 4 mm