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

2.950 kg

Boundary Dimensions

Bore Size

80 mm

Outside Diameter

140 mm

Width

44.4 mm

Fillet Radius/Chamfer

2 mm

Lubricating Hole Dimensions

Groove Width A

8 mm

Hole Diameter (do)

4 mm

Technical Specifications

Dynamic Load Rating

335,000 N

Static Load Rating

335,000 N

Limiting Speed - Grease

3,600 rpm

Limiting Speed - Oil

4,600 rpm

Constant e

0.29

Axial Load Factor Y0

2.30

Axial Load Factor Y1

2.35

Axial Load Factor Y2

3.50

Radial Clearance

0.095 to 0.120 mm

Abutment and Fillet Dimensions

da (min)

90 mm

Da (max)

130 mm

ra (max)

2 mm