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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

8

Weight

71.400 kg

Boundary Dimensions

Bore Size

400 mm

Outside Diameter

540 mm

Width

106 mm

Fillet Radius/Chamfer

4 mm

Lubricating Hole Dimensions

Groove Width A

24 mm

Hole Diameter (do)

12 mm

Technical Specifications

Dynamic Load Rating

2,470,000 N

Static Load Rating

3,900,000 N

Limiting Speed - Grease

750 rpm

Limiting Speed - Oil

940 rpm

Constant e

0.18

Axial Load Factor Y0

3.67

Axial Load Factor Y1

3.75

Axial Load Factor Y2

5.59

Radial Clearance

0.400 to 0.520 mm

Abutment and Fillet Dimensions

da (min)

418 mm

Da (max)

522 mm

ra (max)

3 mm