3110-01-256-9277

Find complete technical information, availability, and procurement data for: 3110-01-256-9277
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-256-9277

Item Name Code

00051

Assigment Date

06/10/1987 (39 years ago)

1.3115 inches minimum and 1.3135 inches maximum overall outside diameter, 10.0000 inches nominal crown radius, 0.4993 inches minimum and 0.5000 inches maximum bore diameter, 0.6150 inches minimum and 0.6250 inches maximum inner ring width, 0.4850 inches minimum and 0.5000 inches maximum 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: 0.4993 inches minimum and 0.5000 inches maximum
Overall Outside Diameter: 1.3115 inches minimum and 1.3135 inches maximum
Outer Ring Width: 0.4850 inches minimum and 0.5000 inches maximum
Inner Ring Width: 0.6150 inches minimum and 0.6250 inches maximum
Crown Radius: 10.0000 inches nominal
Surface Finish: ground
Seal Quantity: 2
Bearing Seal Type: contact
Alignment Type: self-aligning
Self-Alignment Location: external
Features Provided: lubrication hole and lubrication groove
Lubrication Material: grease
Lubrication Material Document And Classification: mil-g-81322 mil spec single material response
Material: plastic acetal or plastic polyhexamethylene adipamide seal
Material: steel comp e50100 or steel comp e51100 or steel comp e52100 or steel comp 4615 or steel comp 4617 or steel comp 4620 inner ring
Material: steel comp e50100 or steel comp e51100 or steel comp e52100 or steel comp 4615 or steel comp 4617 or steel comp 4620 outer ring
Material: steel comp e50100 or steel comp e51100 or steel comp e52100 or steel comp 4615 or steel comp 4617 or steel comp 4620 retaining plate
Material Document And Classification: l-p-392 fed spec 1st material response or l-p-410,ty 6/6 fed spec 2nd material response seal
Surface Treatment: cadmium or oxide inner ring
Surface Treatment: cadmium or oxide retaining plate
Surface Treatment: chromium outer ring
Surface Treatment Document And Classification: qq-c-320 fed spec single treatment response outer ring
Surface Treatment Document And Classification: qq-p-416,type 1,class 2 fed spec 1st treatment response or mil-c-13924 mil spec 2nd treatment response retaining plate
Surface Treatment Document And Classification: qq-p-416,type 1,class 2 fed spec 1st treatment response or mil-c-13924 mil spec 2nd treatment response inner ring
Style Designator: track roller

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
MIL-B-3990	Needle Roller Bearing
MS21438-108	Needle Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-256-9277?

The FSCG of the NSN 3110-01-256-9277 is 3110

Does the NSN 3110-01-256-9277 have a Schedule B code assigned?

Yes, the Schedule B code is 8482400000

Does NSN 3110-01-256-9277 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 3110-01-256-9277 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-256-9277 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 3110-01-256-9277 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Jun 10, 1987