IR2020

View detailed technical data, stock status, and sourcing information for: IR2020
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-156-8451

Item Name Code

00028

Assigment Date

01/01/1963 (63 years ago)

The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.

1.5000 inches nominal overall outside diameter, straight bore shape, 1.2650 inches nominal overall width, 1.2500 inches nominal bore diameter, ground surface finish

Product Characteristics

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

Overall Width: 1.2650 inches nominal
Bore Diameter: 1.2500 inches nominal
Overall Outside Diameter: 1.5000 inches nominal
Surface Finish: ground
Bore Shape: straight
Standard Tolerance Designation: afbma std tolerance for industrial needle bearings
Special Features: length is 1.8950 in minimum and 1.9000 in maximum
Material: steel overall
Style Designator: solid inner race, with bore chamfer, journal and needle

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
1 2020	Inner Bearing Ring
1R2020	Inner Bearing Ring
9098901	Inner Bearing Ring
IR2020	Inner Bearing Ring
IS2020	Inner Bearing Ring
TG200112-6	Inner Bearing Ring

FAQs

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

What is the FSCG of the NSN 3110-00-156-8451?

The FSCG of the NSN 3110-00-156-8451 is 3110

Does the NSN 3110-00-156-8451 have a Schedule B code assigned?

Yes, the Schedule B code is 8482991010

Does NSN 3110-00-156-8451 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 3110-00-156-8451 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-156-8451 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 3110-00-156-8451 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963