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

6

Weight

18.800 kg

Boundary Dimensions

Bore Size

140 mm

Outside Diameter

250 mm

Width

88 mm

Fillet Radius/Chamfer

3 mm

Lubricating Hole Dimensions

Groove Width A

15 mm

Hole Diameter (do)

8 mm

Technical Specifications

Dynamic Load Rating

1,130,000 N

Static Load Rating

1,290,000 N

Limiting Speed - Grease

2,100 rpm

Limiting Speed - Oil

2,600 rpm

Constant e

0.34

Axial Load Factor Y0

1.95

Axial Load Factor Y1

1.99

Axial Load Factor Y2

2.96

Radial Clearance

0.160 to 0.200 mm

Abutment and Fillet Dimensions

da (min)

154 mm

Da (max)

236 mm

ra (max)

2.5 mm