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Specifications

Brand

Nachi America, Inc.

Bore Type

Tapered Bore

Enclosure

Open

Configuration

Double Row

Roller Profile

Asymmetric

Center Guidance

Fixed Inner Ring Rib

Retainer Material

Machined Brass

Nr. of Holes

6

Weight

39.000 kg

Boundary Dimensions

Bore Size

180 mm

Outside Diameter

320 mm

Width

112 mm

Fillet Radius/Chamfer

4 mm

Lubricating Hole Dimensions

Groove Width A

22 mm

Hole Diameter (do)

10 mm

Technical Specifications

Dynamic Load Rating

1,750,000 N

Static Load Rating

2,070,000 N

Limiting Speed - Grease

1,800 rpm

Limiting Speed - Oil

2,200 rpm

Constant e

0.39

Axial Load Factor Y0

1.71

Axial Load Factor Y1

1.75

Axial Load Factor Y2

2.61

Radial Clearance

0.140 to 0.200 mm

Abutment and Fillet Dimensions

da (min)

198 mm

Da (max)

302 mm

ra (max)

3 mm