51291

View detailed technical data, stock status, and sourcing information for: 51291
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-944-6755

Item Name Code

00014

Assigment Date

02/25/1966 (60 years ago)

ground surface finish, 0.4020 inches nominal outer ring width, 37.00 millimeters nominal overall outside diameter, 9.00 millimeters nominal inner ring width, 20.00 millimeters nominal bore diameter

Product Characteristics

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

Bore Diameter: 20.00 millimeters nominal
Overall Outside Diameter: 37.00 millimeters nominal
Outer Ring Width: 0.4020 inches nominal
Inner Ring Width: 9.00 millimeters nominal
Surface Finish: ground
Retainer Fabrication Method: machined
Load Direction: angular
Bore Shape: straight
Internal Clearance: 0.0015 inches minimum radial and 0.0021 inches maximum radial
Standard Tolerance Designation: abec no.5
Special Features: 24 deg or 27 deg contact angle acceptable

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
512192	Annular Ball Bearing
512193	Annular Ball Bearing
51291	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-944-6755?

The FSCG of the NSN 3110-00-944-6755 is 3110

Does the NSN 3110-00-944-6755 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-944-6755 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 3110-00-944-6755 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-944-6755 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 3110-00-944-6755 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Feb 25, 1966