121-SS4

View detailed technical data, stock status, and sourcing information for: 121-SS4
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-012-4981

Item Name Code

00014

Assigment Date

11/12/1975 (50 years ago)

26.0 millimeters nominal overall width, 160.0 millimeters nominal overall outside diameter, 105.0 millimeters nominal bore diameter, pressed retainer fabrication method, 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: 26.0 millimeters nominal
Bore Diameter: 105.0 millimeters nominal
Overall Outside Diameter: 160.0 millimeters nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Shield Quantity: 1
Load Direction: radial
Bore Shape: straight
Internal Clearance: 0.0024 inches minimum radial and 0.0038 inches maximum radial
Standard Tolerance Designation: abec no.1
Lubrication Material: grease
Lubrication Material Document And Classification: mil-g-81322 mil spec single material response
Style Designator: non-loading groove, non-separable

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
121-SS4	Annular Ball Bearing
2885122-3	Annular Ball Bearing
773L21NR1MV	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-012-4981?

The FSCG of the NSN 3110-01-012-4981 is 3110

Does the NSN 3110-01-012-4981 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-01-012-4981 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 3110-01-012-4981 contain precious materials?

Precious metal content is unknown

Does NSN 3110-01-012-4981 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 3110-01-012-4981 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Wed, Nov 12, 1975