Specifications

Brand

Nachi America, Inc.

Bore Type

Cylindrical Bore

Enclosure

Open

Configuration

Double Row

Roller Profile

Asymmetric

Center Guidance

Fixed Inner Ring Rib

Retainer Material

Machined Brass

Nr. of Holes

4

Weight

4.200 kg

Boundary Dimensions

Bore Size

120 mm

Outside Diameter

180 mm

Width

46 mm

Fillet Radius/Chamfer

2 mm

Lubricating Hole Dimensions

Groove Width A

9 mm

Hole Diameter (do)

5 mm

Technical Specifications

Dynamic Load Rating

430,000 N

Static Load Rating

516,000 N

Limiting Speed - Grease

3,450 rpm

Limiting Speed - Oil

4,500 rpm

Constant e

0.27

Axial Load Factor Y0

2.47

Axial Load Factor Y1

2.52

Axial Load Factor Y2

3.76

Radial Clearance

0.075 to 0.120 mm

Abutment and Fillet Dimensions

da (min)

130 mm

Da (max)

170 mm

ra (max)

2 mm