3110-01-131-2989

Find complete technical information, availability, and procurement data for: 3110-01-131-2989
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-131-2989

Item Name Code

00051

Assigment Date

05/07/1982 (44 years ago)

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

0.5000 inches nominal overall outside diameter, rigid alignment type, ground surface finish, 0.3125 inches nominal bore diameter, 0.4380 inches nominal overall width

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Width: 0.4380 inches nominal
Bore Diameter: 0.3125 inches nominal
Overall Outside Diameter: 0.5000 inches nominal
Surface Finish: ground
Alignment Type: rigid
Standard Tolerance Designation: afbma std tolerance for industrial needle bearings
Special Features: extra precision ground od
Material: steel corrosion resisting roller
Material: steel outer ring
Surface Treatment: nickel outer ring
Style Designator: non-separable, open end, drawn shell

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
GB57NS	Needle Roller Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3110-01-131-2989?

The FSCG of the NSN 3110-01-131-2989 is 3110

Does the NSN 3110-01-131-2989 have a Schedule B code assigned?

Yes, the Schedule B code is 8482400000

Does NSN 3110-01-131-2989 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 3110-01-131-2989 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-131-2989 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 3110-01-131-2989 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, May 7, 1982