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Specifications

Brand

Nachi America, Inc.

Bore Type

Cylindrical Bore

Enclosure

Open

Configuration

Double Row

Roller Profile

Symmetric

Center Guidance

Fixed Inner Ring Rib

Retainer Material

Machined Brass

Nr. of Holes

8

Weight

1260.000 kg

Boundary Dimensions

Bore Size

670 mm

Outside Diameter

1090 mm

Width

336 mm

Fillet Radius/Chamfer

7.5 mm

Lubricating Hole Dimensions

Groove Width A

50 mm

Hole Diameter (do)

25 mm

Technical Specifications

Dynamic Load Rating

15,300,000 N

Static Load Rating

23,000,000 N

Limiting Speed - Grease

270 rpm

Limiting Speed - Oil

360 rpm

Constant e

0.31

Axial Load Factor Y0

2.13

Axial Load Factor Y1

2.18

Axial Load Factor Y2

3.24

Radial Clearance

0.350 to 0.530 mm

Abutment and Fillet Dimensions

da (min)

706 mm

Da (max)

1054 mm

ra (max)

6 mm