SM4-4C

View detailed technical data, stock status, and sourcing information for: SM4-4C
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-025-0853

Item Name Code

00050

Assigment Date

07/26/1976 (50 years ago)

3a thread class, 2.2650 inches minimum and 2.2700 inches maximum overall length, right-hand thread direction, externally threaded shank style, 0.2500 inches maximum shank diameter

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: 0.2500 inches maximum
Shank Style: externally threaded
Overall Length: 2.2650 inches minimum and 2.2700 inches maximum
Bore Diameter: 0.2495 inches minimum and 0.2500 inches maximum
Overall Outside Diameter: 0.7500 inches minimum and 0.8000 inches maximum
Shank Thread Length: 1.2500 inches minimum and 1.3100 inches maximum
Outer Ring Width: 0.3350 inches minimum and 0.3500 inches maximum
Inner Ring Width: 0.4320 inches minimum and 0.4370 inches maximum
Length From Bore Center To Shank End: 1.8650 inches minimum and 1.8950 inches maximum
Seal Quantity: 2
Shield Quantity: 2
Bearing Seal Type: contact
Alignment Type: self-aligning
Self-Alignment Location: internal
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Self-Alignment Angle: 10.00 degrees nominal
Special Features: 0.0002 in. min 0.0010 in. max radial internal clearance,plastic flush type grease fitting located 45 deg by 0.4840 in. max from center line
Lubrication Material: grease
Lubrication Material Document And Classification: mil-g-23827 mil spec single material response
Material: rubber butadiene-acrylonitrile class nbr seal
Material: steel comp 430 shield
Material: steel comp 4620 rod end body
Material: steel snap ring
Material: steel comp e52100 inner ring
Material: steel comp e52100 roller
Material Document And Classification: il-s-7420 mil spec single material response roller
Material Document And Classification: mil-s-7420 mil spec single material response inner ring
Material Document And Classification: mil-s-7493 mil spec single material response rod end body
Material Document And Classification: qq-s-763 fed spec single material response shield
Surface Treatment: cadmium all external/exposed metal surfaces
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 2 fed spec single treatment response 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
SM4-4C	Rod End Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-025-0853?

The FSCG of the NSN 3110-01-025-0853 is 3110

Does the NSN 3110-01-025-0853 have a Schedule B code assigned?

Yes, the Schedule B code is 8482500000

Does NSN 3110-01-025-0853 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 3110-01-025-0853 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-025-0853 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 3110-01-025-0853 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Mon, Jul 26, 1976