S312-8

View detailed technical data, stock status, and sourcing information for: S312-8
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-191-3227

Item Name Code

00014

Assigment Date

10/07/1984 (41 years ago)

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

0.0300 inches nominal flange width, 0.3750 inches nominal outer ring outside diameter, 0.4400 inches nominal flange outside diameter, 0.1250 inches nominal bore diameter, 0.1562 inches nominal overall width

Product Characteristics

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

Overall Width: 0.1562 inches nominal
Bore Diameter: 0.1250 inches nominal
Flange Outside Diameter: 0.4400 inches nominal
Flange Width: 0.0300 inches nominal
Outer Ring Outside Diameter: 0.3750 inches nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Shield Quantity: 2
Alignment Type: rigid
Load Direction: radial
Bore Shape: straight
Internal Fit-Up Designation: loose
Internal Clearance: 0.0001 inches minimum radial and 0.0008 inches maximum radial
Standard Tolerance Designation: abec no.3
Lubrication Material: grease
Lubrication Material Document And Classification: mil-c-23827 mil spec single material response
Material: steel comp 440c overall
Style Designator: non-loading groove, non-separable

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
S312-8	Annular Ball Bearing
SFR23PPK18-168	Annular Ball Bearing
SSRF-2ZZA3	Annular Ball Bearing
SSRF-2ZZHA3P18LG68	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-191-3227?

The FSCG of the NSN 3110-01-191-3227 is 3110

Does the NSN 3110-01-191-3227 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-01-191-3227 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 3110-01-191-3227 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-191-3227 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 3110-01-191-3227 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Sun, Oct 7, 1984