AF-20 Self-Aligning Plain Bearing

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

Summary

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

Part Number: AF-20
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-233-1440
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 05/26/1986

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.

32.0 rockwell c minimum and 42.0 rockwell c maximum outer race member hardness rating, 1.2493 inches minimum and 1.2500 inches maximum bore diameter, groove and perforation inner member lubrication feature, 0.9320 inches minimum and 0.9370 inches maximum inner member width, 59.0 rockwell c minimum and 63.0 rockwell c maximum inner member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-233-1440 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 1.2493 inches minimum and 1.2500 inches maximum
Hardness Rating: 32.0 rockwell c minimum and 42.0 rockwell c maximum outer race member
Hardness Rating: 59.0 rockwell c minimum and 63.0 rockwell c maximum inner member
Inner Member Width: 0.9320 inches minimum and 0.9370 inches maximum
Lubrication Feature: groove and perforation inner member
Lubrication Feature: groove and perforation outer race member
Material Document And Classification: mil-g-23827 mil spec single material response lubrication
Material Document And Classification: sae assn std single material response inner member
Material Document And Classification: sae assn std single material response outer race member
Material: grease lubrication
Material: steel comp 4130 outer race member
Material: steel comp e52100 inner member
Outer Member Outside Diameter: 1.9368 inches minimum and 1.9375 inches maximum
Outer Member Width: 0.7760 inches minimum and 0.7860 inches maximum
Special Features: plating on exposed surfaces of inner and outer members as mounted
Specification/Standard Data: 89372-he131-0015 manufacturers specification control
Static Radial Load Rating: 109000 pounds
Style Designator: without insert or liner
Surface Treatment Document And Classification: qq-c-320,class 2 fed spec single treatment response inner member
Surface Treatment Document And Classification: qq-p-416,type 1 fed spec 1st treatment response or qq-p-416,type 2 fed spec 2nd treatment response or qq-p-416,type 3 fed spec 3rd treatment response outer race member
Surface Treatment: cadmium or cadmium and chromate or cadmium and phosphate outer race member
Surface Treatment: chromium inner member

Frequently Asked Questions

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

What is the FSCG of the NSN 3120-01-233-1440?: The FSCG of the NSN 3120-01-233-1440 is 3120

Does the NSN 3120-01-233-1440 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-01-233-1440 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 3120-01-233-1440 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-233-1440 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.