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

0.430 kg

Boundary Dimensions

Bore Size

30 mm

Outside Diameter

72 mm

Width

19 mm

Fillet Radius/Chamfer

1.1 mm

Lubricating Hole Dimensions

Groove Width A

5 mm

Hole Diameter (do)

3 mm

Technical Specifications

Dynamic Load Rating

73,000 N

Static Load Rating

50,900 N

Limiting Speed - Grease

9,700 rpm

Limiting Speed - Oil

12,700 rpm

Constant e

0.35

Axial Load Factor Y0

1.90

Axial Load Factor Y1

1.95

Axial Load Factor Y2

2.90

Radial Clearance

0.030 to 0.040 mm

Abutment and Fillet Dimensions

da (min)

38 mm

Da (max)

65 mm

ra (max)

1 mm