B540DDE6941

View detailed technical data, stock status, and sourcing information for: B540DDE6941
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-990-7604

Item Name Code

00014

Assigment Date

01/01/1962 (64 years ago)

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

ground surface finish, 0.8747 inches minimum and 0.8753 inches maximum bore diameter, 1.3115 inches minimum and 1.3125 inches maximum overall outside diameter, 0.2450 inches nominal outer ring width, 0.2760 inches minimum and 0.2810 inches maximum inner ring width

Product Characteristics

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

Bore Diameter: 0.8747 inches minimum and 0.8753 inches maximum
Overall Outside Diameter: 1.3115 inches minimum and 1.3125 inches maximum
Outer Ring Width: 0.2450 inches nominal
Inner Ring Width: 0.2760 inches minimum and 0.2810 inches maximum
Surface Finish: ground
Shield Quantity: 2
Load Direction: radial
Bore Shape: straight
Internal Fit-Up Designation: standard
Standard Tolerance Designation: abec no.1
Lubrication Material: grease
Lubrication Material Document And Classification: mil-g-3278 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
518201	Annular Ball Bearing
540LL3C1K1420	Annular Ball Bearing
B540DDE6941	Annular Ball Bearing
B540DDSD702	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-990-7604?

The FSCG of the NSN 3110-00-990-7604 is 3110

Does the NSN 3110-00-990-7604 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-990-7604 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 3110-00-990-7604 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-990-7604 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 3110-00-990-7604 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962