640837

View detailed technical data, stock status, and sourcing information for: 640837
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-253-7654

Item Name Code

00041

Assigment Date

07/23/1969 (57 years ago)

0.2802 inches minimum and 0.2812 inches maximum inner ring width, 1.3121 inches minimum and 1.3125 inches maximum overall outside diameter, 0.2500 inches nominal outer ring width, 0.8748 inches minimum and 0.8750 inches maximum bore diameter, machined 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.

Bore Diameter: 0.8748 inches minimum and 0.8750 inches maximum
Overall Outside Diameter: 1.3121 inches minimum and 1.3125 inches maximum
Outer Ring Width: 0.2500 inches nominal
Inner Ring Width: 0.2802 inches minimum and 0.2812 inches maximum
Retainer Fabrication Method: machined
Load Direction: radial
Material: copper alloy retainer
Material: steel ball
Material: steel inner ring
Material: steel outer ring
Style Designator: single row, torque tube type, w/or w/o closure

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
640837	Airframe Ball Bearing
TCB14-21SU5-8	Airframe Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-253-7654?

The FSCG of the NSN 3110-00-253-7654 is 3110

Does the NSN 3110-00-253-7654 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105068

Does NSN 3110-00-253-7654 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 3110-00-253-7654 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-253-7654 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 3110-00-253-7654 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Jul 23, 1969