C552-20 Self-Aligning Plain Bearing

Comprehensive specifications and application details for: C552-20 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: C552-20. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: C552-20
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-583-0821
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 01/26/1968

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

plastic race liner material, 55.0 rockwell c minimum inner member hardness rating, 1.4980 inches minimum and 1.5000 inches maximum inner member width, 23.0 rockwell c minimum outer race member hardness rating, 1.2495 inches minimum and 1.2500 inches maximum bore diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-583-0821 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 1.2495 inches minimum and 1.2500 inches maximum
Hardness Rating: 55.0 rockwell c minimum inner member
Hardness Rating: 23.0 rockwell c minimum outer race member
Inner Member Width: 1.4980 inches minimum and 1.5000 inches maximum
Material: plastic race liner
Material: steel corrosion resisting inner member
Material: steel corrosion resisting outer race member
Outer Member Outside Diameter: 2.3745 inches minimum and 2.3750 inches maximum
Outer Member Width: 1.1200 inches minimum and 1.1300 inches maximum
Static Radial Load Rating: 158850 pounds
Style Designator: with insert and/or liner with staking groove

Replaces

The NSN 3120-00-583-0821 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-881-1409	No Name Available	08/10/1973

Frequently Asked Questions

Find quick answers to common questions about bearing: C552-20. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-583-0821?: The FSCG of the NSN 3120-00-583-0821 is 3120

Does the NSN 3120-00-583-0821 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-583-0821 require demilitarization?: Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3120-00-583-0821 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-583-0821 contain hazardous materials?: Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.