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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

1059.000 kg

Boundary Dimensions

Bore Size

850 mm

Outside Diameter

1220 mm

Width

272 mm

Fillet Radius/Chamfer

7.5 mm

Lubricating Hole Dimensions

Groove Width A

40 mm

Hole Diameter (do)

20 mm

Technical Specifications

Dynamic Load Rating

13,600,000 N

Static Load Rating

22,500,000 N

Limiting Speed - Grease

285 rpm

Limiting Speed - Oil

360 rpm

Constant e

0.21

Axial Load Factor Y0

3.13

Axial Load Factor Y1

3.20

Axial Load Factor Y2

4.77

Radial Clearance

0.430 to 0.650 mm

Abutment and Fillet Dimensions

da (min)

886 mm

Da (max)

1184 mm

ra (max)

6 mm