GB520S4A Self-Aligning Plain Bearing

Comprehensive specifications and application details for: GB520S4A Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: GB520S4A. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: GB520S4A
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-179-7266
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 01/08/1969

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.

56.0 rockwell c minimum inner member hardness rating, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, plastic polytetrafluoroethylene race liner material, 0.2760 inches minimum and 0.2810 inches maximum inner member width, 28.0 rockwell c minimum outer race member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-179-7266 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.2495 inches minimum and 0.2500 inches maximum
Hardness Rating: 56.0 rockwell c minimum inner member
Hardness Rating: 28.0 rockwell c minimum outer race member
Inner Member Width: 0.2760 inches minimum and 0.2810 inches maximum
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 440c inner member
Material: steel comp 410 outer race member
Outer Member Outside Diameter: 0.7495 inches minimum and 0.7500 inches maximum
Outer Member Width: 0.2140 inches minimum and 0.2190 inches maximum
Static Radial Load Rating: 5700 pounds
Style Designator: with insert and/or liner

Replaces

The NSN 3120-00-179-7266 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-230-4777	No Name Available	06/01/1991
3120-00-472-2687	No Name Available	09/01/1998

Frequently Asked Questions

Find quick answers to common questions about bearing: GB520S4A. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-179-7266?: The FSCG of the NSN 3120-00-179-7266 is 3120

Does the NSN 3120-00-179-7266 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-179-7266 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 3120-00-179-7266 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-179-7266 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.