Print Back

Specifications

Brand

Nachi America, Inc.

Bore Type

Tapered Bore

Enclosure

Open

Configuration

Double Row

Roller Profile

Asymmetric

Center Guidance

Fixed Inner Ring Rib

Retainer Material

Machined Brass

Nr. of Holes

4

Weight

3.640 kg

Boundary Dimensions

Bore Size

65 mm

Outside Diameter

140 mm

Width

48 mm

Fillet Radius/Chamfer

2.1 mm

Lubricating Hole Dimensions

Groove Width A

8 mm

Hole Diameter (do)

4 mm

Technical Specifications

Dynamic Load Rating

380,000 N

Static Load Rating

310,000 N

Limiting Speed - Grease

4,950 rpm

Limiting Speed - Oil

6,450 rpm

Constant e

0.39

Axial Load Factor Y0

1.68

Axial Load Factor Y1

1.72

Axial Load Factor Y2

2.55

Radial Clearance

0.055 to 0.075 mm

Abutment and Fillet Dimensions

da (min)

77 mm

Da (max)

128 mm

ra (max)

2 mm