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

308.000 kg

Boundary Dimensions

Bore Size

530 mm

Outside Diameter

780 mm

Width

185 mm

Fillet Radius/Chamfer

6 mm

Lubricating Hole Dimensions

Groove Width A

32 mm

Hole Diameter (do)

15 mm

Technical Specifications

Dynamic Load Rating

6,250,000 N

Static Load Rating

9,450,000 N

Limiting Speed - Grease

550 rpm

Limiting Speed - Oil

670 rpm

Constant e

0.23

Axial Load Factor Y0

2.91

Axial Load Factor Y1

2.98

Axial Load Factor Y2

4.44

Radial Clearance

0.280 to 0.440 mm

Abutment and Fillet Dimensions

da (min)

558 mm

Da (max)

752 mm

ra (max)

5 mm