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

801.000 kg

Boundary Dimensions

Bore Size

670 mm

Outside Diameter

980 mm

Width

308 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

12,000,000 N

Static Load Rating

19,800,000 N

Limiting Speed - Grease

340 rpm

Limiting Speed - Oil

430 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

0.530 to 0.700 mm

Abutment and Fillet Dimensions

da (min)

706 mm

Da (max)

944 mm

ra (max)

6 mm