A-25145

View detailed technical data, stock status, and sourcing information for: A-25145
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-054-4938

Item Name Code

00021

Assigment Date

05/30/1967 (59 years ago)

A cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. Excludes:bearing,roller,thrust.

1.9060 inches nominal bore diameter, 1.1875 inches nominal overall width, 3.7500 inches nominal overall outside diameter, 0.1300 inches nominal backface corner radius, 0.2812 inches nominal standout 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: 1.1875 inches nominal
Bore Diameter: 1.9060 inches nominal
Overall Outside Diameter: 3.7500 inches nominal
Backface Corner Radius: 0.1300 inches nominal
Standout Width: 0.2812 inches nominal
Cone Corner Radius: 0.0900 inches nominal
Cone Width: 1.1563 inches nominal
Cup Width: 0.9063 inches nominal
Standard Tolerance Designation: afbma class 2
Special Features: duty class hm series
Material: steel overall
Style Designator: straight bore, normal angle

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
312304PC44	Tapered Roller Bearing
7451570	Tapered Roller Bearing
A-25145	Tapered Roller Bearing
HM804810HM804848	Tapered Roller Bearing
HM804848-4-000HM80481	Tapered Roller Bearing
HM804848HM804810	Tapered Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-054-4938?

The FSCG of the NSN 3110-00-054-4938 is 3110

Does the NSN 3110-00-054-4938 have a Schedule B code assigned?

Yes, the Schedule B code is 8482200030

Does NSN 3110-00-054-4938 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 3110-00-054-4938 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-054-4938 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 3110-00-054-4938 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, May 30, 1967