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Specifications

Brand

Nachi America, Inc.

Bore Type

Cylindrical Bore

Enclosure

Open

Configuration

Double Row

Roller Profile

Symmetric

Center Guidance

Fixed Inner Ring Rib

Retainer Material

Machined Brass

Nr. of Holes

8

Weight

820.000 kg

Boundary Dimensions

Bore Size

480 mm

Outside Diameter

870 mm

Width

310 mm

Fillet Radius/Chamfer

7.5 mm

Lubricating Hole Dimensions

Groove Width A

45 mm

Hole Diameter (do)

20 mm

Technical Specifications

Dynamic Load Rating

11,300,000 N

Static Load Rating

15,400,000 N

Limiting Speed - Grease

420 rpm

Limiting Speed - Oil

540 rpm

Constant e

0.37

Axial Load Factor Y0

1.78

Axial Load Factor Y1

1.82

Axial Load Factor Y2

2.70

Radial Clearance

0.260 to 0.410 mm

Abutment and Fillet Dimensions

da (min)

516 mm

Da (max)

834 mm

ra (max)

6 mm