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Specifications

Brand

Nachi America, Inc.

Bore Type

Tapered Bore

Enclosure

Open

Configuration

Double Row

Roller Profile

Symmetric

Center Guidance

Floating Steel Ring

Retainer Material

Pressed Steel

Nr. of Holes

6

Weight

15.300 kg

Boundary Dimensions

Bore Size

120 mm

Outside Diameter

260 mm

Width

55 mm

Fillet Radius/Chamfer

3 mm

Lubricating Hole Dimensions

Groove Width A

12 mm

Hole Diameter (do)

5 mm

Technical Specifications

Dynamic Load Rating

790,000 N

Static Load Rating

765,000 N

Limiting Speed - Grease

2,100 rpm

Limiting Speed - Oil

2,500 rpm

Constant e

0.21

Axial Load Factor Y0

3.10

Axial Load Factor Y1

3.17

Axial Load Factor Y2

4.72

Radial Clearance

0.135 to 0.170 mm

Abutment and Fillet Dimensions

da (min)

134 mm

Da (max)

246 mm

ra (max)

2.5 mm