SR4X1378

View detailed technical data, stock status, and sourcing information for: SR4X1378
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-271-0056

Item Name Code

00014

Assigment Date

01/01/1963 (63 years ago)

ground surface finish, 0.2500 inches nominal bore diameter, 0.1970 inches nominal overall width, coiled retainer fabrication method, 0.6250 inches nominal overall outside diameter

Product Characteristics

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

Overall Width: 0.1970 inches nominal
Bore Diameter: 0.2500 inches nominal
Overall Outside Diameter: 0.6250 inches nominal
Surface Finish: ground
Retainer Fabrication Method: coiled
Load Direction: radial
Bore Shape: straight
Internal Fit-Up Designation: loose
Standard Tolerance Designation: abec no.5
Special Features: torque tested
Material: steel overall
Style Designator: non-loading groove, non-separable

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-00-293-9417	No Name Available	06/01/1976

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
R4Z5VL	Annular Ball Bearing
SR4DLR1676C23	Annular Ball Bearing
SR4DX1378	Annular Ball Bearing
SR4X1378	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-271-0056?

The FSCG of the NSN 3110-00-271-0056 is 3110

Does the NSN 3110-00-271-0056 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-271-0056 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 3110-00-271-0056 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-271-0056 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 3110-00-271-0056 was assigned to the Federal Catalog?

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