BLFN5

View detailed technical data, stock status, and sourcing information for: BLFN5
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-059-8537

Item Name Code

13208

Assigment Date

01/01/1963 (63 years ago)

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

0.2760 inches minimum and 0.2860 inches maximum outer member width, 113000 pounds static radial load rating, 0.7495 inches minimum and 0.7500 inches maximum outer member outside diameter, 0.3700 inches minimum and 0.3750 inches maximum inner member width, 0.3120 inches minimum and 0.3125 inches maximum bore diameter

Product Characteristics

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

Bore Diameter: 0.3120 inches minimum and 0.3125 inches maximum
Outer Member Outside Diameter: 0.7495 inches minimum and 0.7500 inches maximum
Outer Member Width: 0.2760 inches minimum and 0.2860 inches maximum
Inner Member Width: 0.3700 inches minimum and 0.3750 inches maximum
Static Radial Load Rating: 113000 pounds
Material: plastic polytetrafluoroethylene race insert
Material: steel comp 440c inner member
Material: steel comp 410 outer race member
Surface Treatment: chromium inner member
Style Designator: with insert and/or liner

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-00-226-1290	No Name Available	03/01/1977

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
BLFN5	Self-Aligning Plain Bearing
HSB5TL106	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-059-8537?

The FSCG of the NSN 3120-00-059-8537 is 3120

Does the NSN 3120-00-059-8537 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-00-059-8537 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 3120-00-059-8537 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-059-8537 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 3120-00-059-8537 was assigned to the Federal Catalog?

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