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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

98.700 kg

Boundary Dimensions

Bore Size

300 mm

Outside Diameter

460 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

3,350,000 N

Static Load Rating

4,850,000 N

Limiting Speed - Grease

840 rpm

Limiting Speed - Oil

1,000 rpm

Constant e

0.34

Axial Load Factor Y0

1.94

Axial Load Factor Y1

1.99

Axial Load Factor Y2

2.96

Radial Clearance

0.240 to 0.330 mm

Abutment and Fillet Dimensions

da (min)

318 mm

Da (max)

442 mm

ra (max)

3 mm