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

437.000 kg

Boundary Dimensions

Bore Size

420 mm

Outside Diameter

700 mm

Width

280 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

12,000,000 N

Limiting Speed - Grease

540 rpm

Limiting Speed - Oil

670 rpm

Constant e

0.40

Axial Load Factor Y0

1.64

Axial Load Factor Y1

1.68

Axial Load Factor Y2

2.50

Radial Clearance

0.330 to 0.440 mm

Abutment and Fillet Dimensions

da (min)

448 mm

Da (max)

672 mm

ra (max)

5 mm