Specifications

Brand

Nachi America, Inc.

Bore Type

Cylindrical Bore

Enclosure

Open

Configuration

Double Row

Roller Profile

Symmetric

Center Guidance

Floating Steel Ring

Retainer Material

Pressed Steel

Nr. of Holes

6

Weight

22.600 kg

Boundary Dimensions

Bore Size

120 mm

Outside Diameter

260 mm

Width

86 mm

Fillet Radius/Chamfer

3 mm

Lubricating Hole Dimensions

Groove Width A

14 mm

Hole Diameter (do)

8 mm

Technical Specifications

Dynamic Load Rating

1,250,000 N

Static Load Rating

1,130,000 N

Limiting Speed - Grease

2,000 rpm

Limiting Speed - Oil

2,700 rpm

Constant e

0.33

Axial Load Factor Y0

1.98

Axial Load Factor Y1

2.03

Axial Load Factor Y2

3.02

Radial Clearance

0.075 to 0.120 mm

Abutment and Fillet Dimensions

da (min)

134 mm

Da (max)

246 mm

ra (max)

2.5 mm