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

6

Weight

12.600 kg

Boundary Dimensions

Bore Size

220 mm

Outside Diameter

300 mm

Width

60 mm

Fillet Radius/Chamfer

2.1 mm

Lubricating Hole Dimensions

Groove Width A

12 mm

Hole Diameter (do)

6 mm

Technical Specifications

Dynamic Load Rating

840,000 N

Static Load Rating

1,190,000 N

Limiting Speed - Grease

1,300 rpm

Limiting Speed - Oil

1,800 rpm

Constant e

0.18

Axial Load Factor Y0

3.67

Axial Load Factor Y1

3.75

Axial Load Factor Y2

5.59

Radial Clearance

0.220 to 0.290 mm

Abutment and Fillet Dimensions

da (min)

232 mm

Da (max)

288 mm

ra (max)

2 mm