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Specifications

Brand

Nachi America, Inc.

Bore Type

Tapered Bore

Enclosure

Open

Configuration

Double Row

Roller Profile

Symmetric

Center Guidance

Fixed Inner Ring Rib

Retainer Material

Machined Brass

Nr. of Holes

6

Weight

81.600 kg

Boundary Dimensions

Bore Size

240 mm

Outside Diameter

400 mm

Width

160 mm

Fillet Radius/Chamfer

4 mm

Lubricating Hole Dimensions

Groove Width A

26 mm

Hole Diameter (do)

12 mm

Technical Specifications

Dynamic Load Rating

2,850,000 N

Static Load Rating

3,700,000 N

Limiting Speed - Grease

1,000 rpm

Limiting Speed - Oil

1,200 rpm

Constant e

0.40

Axial Load Factor Y0

1.65

Axial Load Factor Y1

1.69

Axial Load Factor Y2

2.51

Radial Clearance

0.200 to 0.270 mm

Abutment and Fillet Dimensions

da (min)

258 mm

Da (max)

382 mm

ra (max)

3 mm