SF4-4B

View detailed technical data, stock status, and sourcing information for: SF4-4B
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-271-0074

Item Name Code

00050

Assigment Date

01/01/1963 (63 years ago)

2.1960 inches nominal overall length, right-hand thread direction, 3b thread class, 0.5000 inches nominal shank diameter, internally 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: 3b
Thread Direction: right-hand
Shank Diameter: 0.5000 inches nominal
Shank Style: internally threaded
Overall Length: 2.1960 inches nominal
Bore Diameter: 0.2500 inches nominal
Overall Outside Diameter: 1.0780 inches nominal
Shank Thread Length: 0.8120 inches nominal
Outer Ring Width: 0.3580 inches nominal
Inner Ring Width: 0.5000 inches nominal
Length From Bore Center To Shank End: 1.6250 inches nominal
Seal Quantity: 2
Bearing Seal Type: contact
Alignment Type: self-aligning
Self-Alignment Location: internal
Width Across Flats: 0.5000 inches nominal
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Self-Alignment Angle: 10.00 degrees nominal
Special Features: with grease fitting,drilled hole in shank
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: unjf

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
202-19021-4-4R	Rod End Roller Bearing
FR4-4	Rod End Roller Bearing
FR4-4ANG25	Rod End Roller Bearing
FR4-4MILG3278A	Rod End Roller Bearing
SF4-4B	Rod End Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-271-0074?

The FSCG of the NSN 3110-00-271-0074 is 3110

Does the NSN 3110-00-271-0074 have a Schedule B code assigned?

Yes, the Schedule B code is 8482500000

Does NSN 3110-00-271-0074 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 3110-00-271-0074 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-271-0074 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 3110-00-271-0074 was assigned to the Federal Catalog?

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