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

4

Weight

0.180 kg

Boundary Dimensions

Bore Size

20 mm

Outside Diameter

52 mm

Width

15 mm

Fillet Radius/Chamfer

1.1 mm

Lubricating Hole Dimensions

Groove Width A

6 mm

Hole Diameter (do)

3 mm

Technical Specifications

Dynamic Load Rating

47,000 N

Static Load Rating

33,500 N

Limiting Speed - Grease

11,000 rpm

Limiting Speed - Oil

14,000 rpm

Constant e

0.31

Axial Load Factor Y0

2.15

Axial Load Factor Y1

2.20

Axial Load Factor Y2

3.27

Radial Clearance

0.035 to 0.045 mm

Abutment and Fillet Dimensions

da (min)

27 mm

Da (max)

45 mm

ra (max)

1 mm