043440 Bearing Ball

Comprehensive specifications and application details for: 043440 Bearing Ball.

Summary

Explore detailed summary information for bearing: 043440. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 043440
Federal Supply Classification: 3110 Unmounted Antifriction Bearings
(NSN) National Stock Number: 3110-00-183-9175
Item Name Code: 00036
Federal Item Identification Guide: A044A0
Assigment Date: 01/01/1963

A homogenous spherical body, a series of which provides the rolling elements in a bearing, ball (as modified). The item is designed primarily to alleviate friction. It may have other usages such as the checking component in a ball-type check valve. Excludes:ball,check; ball,valve,ported.

afbma standard tolerance for balls,grade 48 special features, 66,aisi/sae 440a fed std 1st material response or 66,aisi/sae 440c fed std 2nd material response or 66,aisi/sae 440b fed std 3rd material response overall material document and classification, 0.1250 inches nominal rolling element diameter, ball style designator, steel comp 440c or steel comp 440a or steel comp 440b overall material

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-183-9175 . Find dimensions, materials, tolerances, performance characteristics, etc.

Material Document And Classification: 66,aisi/sae 440a fed std 1st material response or 66,aisi/sae 440c fed std 2nd material response or 66,aisi/sae 440b fed std 3rd material response overall
Material: steel comp 440c or steel comp 440a or steel comp 440b overall
Special Features: afbma standard tolerance for balls,grade 48
Rolling Element Diameter: 0.1250 inches nominal
Style Designator: ball

Replaces

The NSN 3110-00-183-9175 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3110-00-043-0293	No Name Available	12/24/1972
3110-00-056-0434	No Name Available	03/21/1969
3110-00-293-8984	No Name Available	05/28/1970
3110-00-580-9639	No Name Available	01/01/1960
3110-00-800-0279	No Name Available	05/28/1970
3110-00-841-1152	No Name Available	11/04/1968
3110-00-877-7548	No Name Available	01/31/2008
3110-00-959-7127	No Name Available	05/28/1970
3110-00-979-8710	No Name Available	01/08/1971
3110-00-994-6069	No Name Available	03/03/1971

Frequently Asked Questions

Find quick answers to common questions about bearing: 043440. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-183-9175?: The FSCG of the NSN 3110-00-183-9175 is 3110

Does the NSN 3110-00-183-9175 have a Schedule B code assigned?: Yes, the Schedule B code is 8482105068

Does NSN 3110-00-183-9175 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 3110-00-183-9175 contain precious materials?: Item does not contain precious metal.

Does NSN 3110-00-183-9175 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.

When the NSN 3110-00-183-9175 was assigned to the Federal Catalog?: It was assigned 63 years ago, on Tue, Jan 1, 1963

Price & Availability

Fill out the form to get pricing and availability details for the bearing: 043440

Stock Availability

This product is available in the following quantities and conditions:

New Surplus	1,859
New Material	622
As Removed	2
Serviceable	4
Total	2,487

Availability of this item was last updated on: 02/11/2026 11:02 AM EST. Availability may have changed since then. Request a quote for up to date pricing and availability.