BR4M9

View detailed technical data, stock status, and sourcing information for: BR4M9
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-678-5426

Item Name Code

00050

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 3a thread class, 3.0995 inches nominal overall length, 0.5625 inches nominal shank diameter, externally threaded shank style

Product Characteristics

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

Thread Class: 3a
Thread Direction: right-hand
Shank Diameter: 0.5625 inches nominal
Shank Style: externally threaded
Overall Length: 3.0995 inches nominal
Bore Diameter: 0.2500 inches nominal
Overall Outside Diameter: 1.0730 inches nominal
Shank Thread Length: 1.8750 inches nominal
Outer Ring Width: 0.4790 inches nominal
Inner Ring Width: 0.6250 inches nominal
Length From Bore Center To Shank End: 2.5630 inches nominal
Seal Quantity: 2
Bearing Seal Type: contact
Alignment Type: self-aligning
Self-Alignment Location: internal
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.562 inches
Self-Alignment Angle: 10.00 degrees nominal
Special Features: shank end chamfered,slotted shank w/two nas516-1 lubrication fittings
Lubrication Material: grease
Lubrication Material Document And Classification: mil-g-23827 mil spec single material response
Material: rubber synthetic seal
Material: steel inner ring
Material: steel outer ring
Material: steel roller
Material: steel shaft
Surface Treatment: cadmium all external/exposed metal surfaces
Style Designator: single row, concave rollers
Thread Series Designator: unf
Specification/Standard Data: 80205-nas659 professional/industrial association standard

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
BR4M9	Rod End Roller Bearing
DM4-9A-500	Rod End Roller Bearing
NAS659R4-9F	Rod End Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-678-5426?

The FSCG of the NSN 3110-00-678-5426 is 3110

Does the NSN 3110-00-678-5426 have a Schedule B code assigned?

Yes, the Schedule B code is 8482500000

Does NSN 3110-00-678-5426 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 3110-00-678-5426 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-678-5426 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 3110-00-678-5426 was assigned to the Federal Catalog?

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