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Specifications

Brand

N/A Nachi America, Inc.

Bore Type

N/A Cylindrical Bore

Enclosure

N/A Open

Configuration

N/A Double Row

Roller Profile

N/A Symmetric

Center Guidance

N/A Fixed Inner Ring Rib

Retainer Material

N/A Machined Brass

Nr. of Holes

N/A 8

Weight

N/A 461.000 kg

Boundary Dimensions

Bore Size

N/A 400 mm

Outside Diameter

N/A 720 mm

Width

N/A 256 mm

Fillet Radius/Chamfer

N/A 6 mm

Lubricating Hole Dimensions

Groove Width A

N/A 45 mm

Hole Diameter (do)

N/A 20 mm

Technical Specifications

Dynamic Load Rating

N/A 8,500,000 N

Static Load Rating

N/A 11,100,000 N

Limiting Speed - Grease

N/A 510 rpm

Limiting Speed - Oil

N/A 670 rpm

Constant e

N/A 0.36

Axial Load Factor Y0

N/A 1.82

Axial Load Factor Y1

N/A 1.86

Axial Load Factor Y2

N/A 2.77

Radial Clearance

N/A 0.340 to 0.450 mm

Abutment and Fillet Dimensions

da (min)

N/A 428 mm

Da (max)

N/A 692 mm

ra (max)

N/A 5 mm