SA2-18

View detailed technical data, stock status, and sourcing information for: SA2-18
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-107-9955

Item Name Code

00014

Assigment Date

01/01/1961 (65 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.

ground surface finish, 3.1490 inches minimum and 3.1496 inches maximum overall outside diameter, 1.9320 inches minimum and 1.9370 inches maximum inner ring width, 1.5000 inches minimum and 1.5005 inches maximum bore diameter, 1.0930 millimeters nominal 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: 1.5000 inches minimum and 1.5005 inches maximum
Overall Outside Diameter: 3.1490 inches minimum and 3.1496 inches maximum
Outer Ring Width: 1.0930 millimeters nominal
Inner Ring Width: 1.9320 inches minimum and 1.9370 inches maximum
Surface Finish: ground
Seal Quantity: 2
Bearing Seal Type: labyrinth
Load Direction: radial
Bore Shape: straight
Internal Fit-Up Designation: standard
Special Features: set screw in inner ring
Lubrication Material: grease
Lubrication Material Document And Classification: dod-g-24508 mil spec single material response
Material: steel ball
Material: steel inner ring
Material: steel outer ring
Material: steel retainer
Material: wool or steel seal
Style Designator: single row ball, external self-aligning, inner ring extended both sides, with setscrew in inner ring

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
2-18	Annular Ball Bearing
SA2-18	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-107-9955?

The FSCG of the NSN 3110-00-107-9955 is 3110

Does the NSN 3110-00-107-9955 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-107-9955 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 3110-00-107-9955 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-107-9955 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 3110-00-107-9955 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961