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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

33.700 kg

Boundary Dimensions

Bore Size

180 mm

Outside Diameter

300 mm

Width

118 mm

Fillet Radius/Chamfer

3 mm

Lubricating Hole Dimensions

Groove Width A

22 mm

Hole Diameter (do)

10 mm

Technical Specifications

Dynamic Load Rating

1,640,000 N

Static Load Rating

2,040,000 N

Limiting Speed - Grease

1,350 rpm

Limiting Speed - Oil

1,800 rpm

Constant e

0.39

Axial Load Factor Y0

1.69

Axial Load Factor Y1

1.73

Axial Load Factor Y2

2.57

Radial Clearance

0.180 to 0.240 mm

Abutment and Fillet Dimensions

da (min)

194 mm

Da (max)

286 mm

ra (max)

2.5 mm