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

93.700 kg

Boundary Dimensions

Bore Size

200 mm

Outside Diameter

420 mm

Width

138 mm

Fillet Radius/Chamfer

5 mm

Lubricating Hole Dimensions

Groove Width A

26 mm

Hole Diameter (do)

12 mm

Technical Specifications

Dynamic Load Rating

2,890,000 N

Static Load Rating

3,000,000 N

Limiting Speed - Grease

1,200 rpm

Limiting Speed - Oil

1,500 rpm

Constant e

0.35

Axial Load Factor Y0

1.88

Axial Load Factor Y1

1.93

Axial Load Factor Y2

2.87

Radial Clearance

0.220 to 0.290 mm

Abutment and Fillet Dimensions

da (min)

222 mm

Da (max)

398 mm

ra (max)

4 mm