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Specifications

Brand

Nachi America, Inc.

Bore Type

Tapered Bore

Enclosure

Open

Configuration

Double Row

Roller Profile

Symmetric

Center Guidance

Floating Steel Ring

Retainer Material

Pressed Steel

Nr. of Holes

4

Weight

4.200 kg

Boundary Dimensions

Bore Size

120 mm

Outside Diameter

180 mm

Width

46 mm

Fillet Radius/Chamfer

2 mm

Lubricating Hole Dimensions

Groove Width A

9 mm

Hole Diameter (do)

5 mm

Technical Specifications

Dynamic Load Rating

430,000 N

Static Load Rating

515,000 N

Limiting Speed - Grease

2,800 rpm

Limiting Speed - Oil

3,500 rpm

Constant e

0.23

Axial Load Factor Y0

2.89

Axial Load Factor Y1

2.95

Axial Load Factor Y2

4.39

Radial Clearance

0.100 to 0.135 mm

Abutment and Fillet Dimensions

da (min)

130 mm

Da (max)

170 mm

ra (max)

2 mm