HR21543 Needle Roller Bearing

Comprehensive specifications and application details for: HR21543 Needle Roller Bearing.

Summary

Explore detailed summary information for bearing: HR21543. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: HR21543
Federal Supply Classification: 3110 Unmounted Antifriction Bearings
(NSN) National Stock Number: 3110-00-156-7724
Item Name Code: 00051
Federal Item Identification Guide: A044A0
Assigment Date: 01/01/1963

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.

0.7400 inches minimum and 0.7500 inches maximum overall width, steel comp 1090 or steel comp 1095 roller material, 0.5005 inches minimum and 0.5015 inches maximum bore diameter, rigid alignment type, 0.6875 inches nominal overall outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-156-7724 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type: rigid
Bore Diameter: 0.5005 inches minimum and 0.5015 inches maximum
Overall Outside Diameter: 0.6875 inches nominal
Overall Width: 0.7400 inches minimum and 0.7500 inches maximum
Material: steel comp 1090 or steel comp 1095 roller
Material: steel comp 8615 or steel comp 1010 or steel comp 1020 outer ring
Retainer Fabrication Method: pressed
Special Features: extra capacity outer ring and oil hole in outer ring
Standard Tolerance Designation: afbma std tolerance for industrial needle bearings
Style Designator: non-separable, open end, drawn shell
Surface Finish: ground

Replaces

The NSN 3110-00-156-7724 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3110-00-112-5785	No Name Available	09/26/1969
3110-00-528-5886	No Name Available	09/12/1971
3110-00-555-4936	No Name Available	03/01/1984

Frequently Asked Questions

Find quick answers to common questions about bearing: HR21543. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-156-7724?: The FSCG of the NSN 3110-00-156-7724 is 3110

Does the NSN 3110-00-156-7724 have a Schedule B code assigned?: Yes, the Schedule B code is 8482400000

Does NSN 3110-00-156-7724 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 3110-00-156-7724 contain precious materials?: Precious metal content is unknown

Does NSN 3110-00-156-7724 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.