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

371.000 kg

Boundary Dimensions

Bore Size

440 mm

Outside Diameter

720 mm

Width

226 mm

Fillet Radius/Chamfer

6 mm

Lubricating Hole Dimensions

Groove Width A

40 mm

Hole Diameter (do)

20 mm

Technical Specifications

Dynamic Load Rating

7,150,000 N

Static Load Rating

10,000,000 N

Limiting Speed - Grease

510 rpm

Limiting Speed - Oil

640 rpm

Constant e

0.32

Axial Load Factor Y0

2.08

Axial Load Factor Y1

2.13

Axial Load Factor Y2

3.17

Radial Clearance

0.240 to 0.370 mm

Abutment and Fillet Dimensions

da (min)

468 mm

Da (max)

692 mm

ra (max)

5 mm