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Specifications

Brand

Nachi America, Inc.

Bore Type

Cylindrical Bore

Enclosure

Open

Configuration

Double Row

Roller Profile

Symmetric

Center Guidance

Floating Steel Ring

Retainer Material

Pressed Steel

Nr. of Holes

4

Weight

2.190 kg

Boundary Dimensions

Bore Size

80 mm

Outside Diameter

140 mm

Width

33 mm

Fillet Radius/Chamfer

2 mm

Lubricating Hole Dimensions

Groove Width A

6 mm

Hole Diameter (do)

3 mm

Technical Specifications

Dynamic Load Rating

299,000 N

Static Load Rating

269,000 N

Limiting Speed - Grease

4,000 rpm

Limiting Speed - Oil

4,700 rpm

Constant e

0.22

Axial Load Factor Y0

3.01

Axial Load Factor Y1

3.07

Axial Load Factor Y2

4.58

Radial Clearance

0.080 to 0.110 mm

Abutment and Fillet Dimensions

da (min)

90 mm

Da (max)

130 mm

ra (max)

2 mm