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Specifications

Brand

Nachi America, Inc.

Bore Type

Tapered Bore

Enclosure

Open

Configuration

Double Row

Roller Profile

Symmetric

Center Guidance

Fixed Inner Ring Rib

Retainer Material

Machined Brass

Nr. of Holes

8

Weight

468.000 kg

Boundary Dimensions

Bore Size

560 mm

Outside Diameter

820 mm

Width

258 mm

Fillet Radius/Chamfer

6 mm

Lubricating Hole Dimensions

Groove Width A

45 mm

Hole Diameter (do)

20 mm

Technical Specifications

Dynamic Load Rating

8,350,000 N

Static Load Rating

13,500,000 N

Limiting Speed - Grease

420 rpm

Limiting Speed - Oil

520 rpm

Constant e

0.31

Axial Load Factor Y0

2.16

Axial Load Factor Y1

2.21

Axial Load Factor Y2

3.29

Radial Clearance

0.410 to 0.540 mm

Abutment and Fillet Dimensions

da (min)

588 mm

Da (max)

792 mm

ra (max)

5 mm