BR4R

View detailed technical data, stock status, and sourcing information for: BR4R
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-690-7299

Item Name Code

00046

Assigment Date

01/01/1963 (63 years ago)

2 seal quantity, 0.6250 inches nominal inner ring width, 0.9014 inches nominal overall outside diameter, 0.2500 inches nominal bore diameter, 0.4640 inches nominal outer 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: 0.2500 inches nominal
Overall Outside Diameter: 0.9014 inches nominal
Outer Ring Width: 0.4640 inches nominal
Inner Ring Width: 0.6250 inches nominal
Seal Quantity: 2
Bearing Seal Type: contact
Special Features: 10 deg self-alignment in either direction,oil hole and oil groove in od of outer ring,radial clearance 0.0002 in. to 0.0010 in.,w/steel sleeve in inner ring w/150,000psi
Lubrication Material: grease
Lubrication Material Document And Classification: mil-g-23827 mil spec single material response
Material: copper alloy retainer
Material: rubber synthetic seal
Material: steel inner ring
Material: steel outer ring
Material: steel roller
Surface Treatment: cadmium all external/exposed metal surfaces
Style Designator: concave rollers, double closure, self aligning

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-00-406-2137	No Name Available	09/01/1979
3110-00-756-1599	No Name Available	01/01/1960
3110-00-811-1288	No Name Available	01/01/1960

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
BR4R	Airframe Roller Bearing
DAS4-14A-1	Airframe Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-690-7299?

The FSCG of the NSN 3110-00-690-7299 is 3110

Does the NSN 3110-00-690-7299 have a Schedule B code assigned?

Yes, the Schedule B code is 8482800080

Does NSN 3110-00-690-7299 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 3110-00-690-7299 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-690-7299 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 3110-00-690-7299 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963