Specifications

Brand

Nachi America, Inc.

Bore Type

Tapered Bore

Enclosure

Open

Configuration

Double Row

Roller Profile

Asymmetric

Center Guidance

Fixed Inner Ring Rib

Retainer Material

Machined Brass

Nr. of Holes

6

Weight

19.300 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

16 mm

Hole Diameter (do)

8 mm

Technical Specifications

Dynamic Load Rating

1,120,000 N

Static Load Rating

1,270,000 N

Limiting Speed - Grease

2,200 rpm

Limiting Speed - Oil

2,800 rpm

Constant e

0.38

Axial Load Factor Y0

1.74

Axial Load Factor Y1

1.78

Axial Load Factor Y2

2.65

Radial Clearance

0.120 to 0.160 mm

Abutment and Fillet Dimensions

da (min)

154 mm

Da (max)

236 mm

ra (max)

2.5 mm