15520-78

View detailed technical data, stock status, and sourcing information for: 15520-78

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15520-78
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-100-5281
Item Name Code
00021
Assigment Date
01/01/1963 (63 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.

0.6875 inches nominal overall width, 2.2500 inches nominal overall outside diameter, 0.1563 inches nominal standout width, 0.0620 inches nominal backface corner radius, 1.0000 inches nominal bore 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
0.6875 inches nominal
Bore Diameter
1.0000 inches nominal
Overall Outside Diameter
2.2500 inches nominal
Backface Corner Radius
0.0620 inches nominal
Standout Width
0.1563 inches nominal
Cone Corner Radius
0.0460 inches nominal
Cone Width
0.6875 inches nominal
Cup Width
0.5313 inches nominal
Retainer Fabrication Method
pressed
Standard Tolerance Designation
afbma class 2
Material
steel overall
Style Designator
straight bore, normal angle
Nondefinitive Spec/Std Data
751 type

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3120-01-067-3117 No Name Available 07/01/1979
3110-01-164-5454 No Name Available 07/01/1985

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
15520-78 Tapered Roller Bearing
15520X15578 Tapered Roller Bearing
200912-0004 Tapered Roller Bearing
247728 Tapered Roller Bearing
BM2338 Tapered Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-100-5281?
The FSCG of the NSN 3110-00-100-5281 is 3110
Does the NSN 3110-00-100-5281 have a Schedule B code assigned?
Yes, the Schedule B code is 8482200030
Does NSN 3110-00-100-5281 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 3110-00-100-5281 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-100-5281 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 3110-00-100-5281 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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