137866

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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-220-6579

Item Name Code

00021

Assigment Date

11/16/1985 (40 years ago)

A cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. Excludes:bearing,roller,thrust.

16.0000 inches nominal bore diameter, 0.5625 inches nominal standout width, 0.1300 inches nominal backface corner radius, 20.0000 inches nominal overall outside diameter, 2.4375 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: 2.4375 inches nominal
Bore Diameter: 16.0000 inches nominal
Overall Outside Diameter: 20.0000 inches nominal
Backface Corner Radius: 0.1300 inches nominal
Standout Width: 0.5625 inches nominal
Cone Corner Radius: 0.1300 inches nominal
Cone Width: 2.4375 inches nominal
Cup Width: 1.8750 inches nominal
Retainer Fabrication Method: pressed
Alignment Type: rigid
Internal Fit-Up Designation: standard
Standard Tolerance Designation: afbma class 4
Material: steel overall
Style Designator: straight bore, normal angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-01-229-0305	No Name Available	05/01/1989

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
137866	Tapered Roller Bearing
51882-H PIECE 47	Tapered Roller Bearing
L467510/L467549	Tapered Roller Bearing
L467549 AND L467510	Tapered Roller Bearing
RC4205H PIECE 260	Tapered Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-220-6579?

The FSCG of the NSN 3110-01-220-6579 is 3110

Does the NSN 3110-01-220-6579 have a Schedule B code assigned?

Yes, the Schedule B code is 8482200030

Does NSN 3110-01-220-6579 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 3110-01-220-6579 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-220-6579 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 3110-01-220-6579 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sat, Nov 16, 1985