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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

290.000 kg

Boundary Dimensions

Bore Size

380 mm

Outside Diameter

620 mm

Width

243 mm

Fillet Radius/Chamfer

5 mm

Lubricating Hole Dimensions

Groove Width A

40 mm

Hole Diameter (do)

20 mm

Technical Specifications

Dynamic Load Rating

6,450,000 N

Static Load Rating

9,300,000 N

Limiting Speed - Grease

600 rpm

Limiting Speed - Oil

750 rpm

Constant e

0.40

Axial Load Factor Y0

1.66

Axial Load Factor Y1

1.70

Axial Load Factor Y2

2.53

Radial Clearance

0.220 to 0.340 mm

Abutment and Fillet Dimensions

da (min)

402 mm

Da (max)

598 mm

ra (max)

4 mm