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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

4.500 kg

Boundary Dimensions

Bore Size

80 mm

Outside Diameter

170 mm

Width

39 mm

Fillet Radius/Chamfer

2.1 mm

Lubricating Hole Dimensions

Groove Width A

8 mm

Hole Diameter (do)

4 mm

Technical Specifications

Dynamic Load Rating

380,000 N

Static Load Rating

339,000 N

Limiting Speed - Grease

3,300 rpm

Limiting Speed - Oil

4,000 rpm

Constant e

0.23

Axial Load Factor Y0

2.82

Axial Load Factor Y1

2.88

Axial Load Factor Y2

4.29

Radial Clearance

0.070 to 0.095 mm

Abutment and Fillet Dimensions

da (min)

92 mm

Da (max)

158 mm

ra (max)

2 mm