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

21.200 kg

Boundary Dimensions

Bore Size

160 mm

Outside Diameter

270 mm

Width

86 mm

Fillet Radius/Chamfer

2.1 mm

Lubricating Hole Dimensions

Groove Width A

16 mm

Hole Diameter (do)

8 mm

Technical Specifications

Dynamic Load Rating

1,200,000 N

Static Load Rating

1,460,000 N

Limiting Speed - Grease

1,900 rpm

Limiting Speed - Oil

2,500 rpm

Constant e

0.34

Axial Load Factor Y0

1.91

Axial Load Factor Y1

1.96

Axial Load Factor Y2

2.91

Radial Clearance

0.130 to 0.180 mm

Abutment and Fillet Dimensions

da (min)

172 mm

Da (max)

258 mm

ra (max)

2 mm