H491

Comprehensive specifications and application details for: H491 Needle Roller Bearing.

Summary

Explore detailed summary information for bearing: H491. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
H491
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-227-3210
Item Name Code
00051
Federal Item Identification Guide
A044A0
Assigment Date
03/23/1966

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.

0.9995 inches minimum and 1.0000 inches maximum bore diameter, steel overall material, 1.2550 inches minimum and 1.2600 inches maximum overall width, rigid alignment type, 1.7495 inches minimum and 1.7500 inches maximum overall outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-227-3210 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type
rigid
Bore Diameter
0.9995 inches minimum and 1.0000 inches maximum
Overall Outside Diameter
1.7495 inches minimum and 1.7500 inches maximum
Overall Width
1.2550 inches minimum and 1.2600 inches maximum
Material
steel overall
Retainer Fabrication Method
pressed
Special Features
oil hole and oil groove in outer ring,oil hole and oil groove in inner ring,mfr std retainer
Standard Tolerance Designation
afbma std tolerance for industrial needle bearings
Style Designator
separable inner race, with roller retainer, hardened and ground
Surface Finish
ground

Frequently Asked Questions

Find quick answers to common questions about bearing: H491. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-227-3210?
The FSCG of the NSN 3110-00-227-3210 is 3110
Does the NSN 3110-00-227-3210 have a Schedule B code assigned?
Yes, the Schedule B code is 8482400000
Does NSN 3110-00-227-3210 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 3110-00-227-3210 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-227-3210 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 3110-00-227-3210 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Wed, Mar 23, 1966

Price & Availability

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