ER43

View detailed technical data, stock status, and sourcing information for: ER43
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-140-4900

Item Name Code

00014

Assigment Date

09/10/1971 (54 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.

2.6875 inches minimum and 2.6881 inches maximum bore diameter, 4.9205 inches minimum and 4.9213 inches maximum overall outside diameter, 2.9369 inches minimum and 2.9375 inches maximum inner ring width, ground surface finish, 1.6250 inches 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: 2.6875 inches minimum and 2.6881 inches maximum
Overall Outside Diameter: 4.9205 inches minimum and 4.9213 inches maximum
Outer Ring Width: 1.6250 inches nominal
Inner Ring Width: 2.9369 inches minimum and 2.9375 inches maximum
Surface Finish: ground
Seal Quantity: 2
Bearing Seal Type: labyrinth
Load Direction: radial
Bore Shape: standard taper
Internal Fit-Up Designation: standard
Features Provided: snap ring-groove mounting
Lubrication Material: grease
Lubrication Material Document And Classification: dod-g-24508 mil spec single material response
Material: steel retainer
Material: steel comp e52100 ball
Material: steel comp e52100 inner ring
Material: steel comp e52100 outer ring
Material: wool seal
Style Designator: single row ball, not self-aligning, inner ring extends both sides, with setscrew in inner ring, grease groove and snap ring on outer 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
ER43	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-140-4900?

The FSCG of the NSN 3110-00-140-4900 is 3110

Does the NSN 3110-00-140-4900 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-140-4900 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 3110-00-140-4900 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-140-4900 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 3110-00-140-4900 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Sep 10, 1971