042991

View detailed technical data, stock status, and sourcing information for: 042991
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-183-6912

Item Name Code

00014

Assigment Date

01/01/1961 (65 years ago)

25.00 millimeters nominal bore diameter, 0.8125 inches nominal overall width, 52.00 millimeters nominal overall outside diameter, ground surface finish, pressed retainer fabrication method

Product Characteristics

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

Overall Width: 0.8125 inches nominal
Bore Diameter: 25.00 millimeters nominal
Overall Outside Diameter: 52.00 millimeters nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Load Direction: angular
Bore Shape: straight
Internal Fit-Up Designation: loose
Internal Fit-Up Contact Angular Direction: inward convergent
Standard Tolerance Designation: abec no.1
Special Features: outer ring face projects 0.0020 in. beyond inner ring face on both sides of bearing under no load
Material: steel overall
Style Designator: loading groove, non-separable

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-00-183-6911	No Name Available	01/01/2000

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
0042991	Annular Ball Bearing
0042991-0	Annular Ball Bearing
042991	Annular Ball Bearing
12267702	Annular Ball Bearing
12337197	Annular Ball Bearing
23504305	Annular Ball Bearing
3110001836912	Annular Ball Bearing
475812	Annular Ball Bearing
5205D	Annular Ball Bearing
5205EW/JS112	Annular Ball Bearing
5205EW/VS112	Annular Ball Bearing
5205WL1450	Annular Ball Bearing
5205WL1450A	Annular Ball Bearing
5205WL1450A-XX3	Annular Ball Bearing
5205WL1450C09	Annular Ball Bearing
55205WL1450A	Annular Ball Bearing
954307	Annular Ball Bearing
954418	Annular Ball Bearing
K 954418	Annular Ball Bearing
PC954418	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-183-6912?

The FSCG of the NSN 3110-00-183-6912 is 3110

Does the NSN 3110-00-183-6912 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-183-6912 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 3110-00-183-6912 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-183-6912 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 3110-00-183-6912 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961