7520DL

View detailed technical data, stock status, and sourcing information for: 7520DL

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7520DL
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-497-0257
Item Name Code
00014
Assigment Date
10/08/1969 (56 years ago)

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

0.7500 inches nominal outer ring width, 0.8750 inches nominal inner ring width, ground surface finish, 2.5619 inches minimum and 2.5625 inches maximum overall outside diameter, 1.2495 inches minimum and 1.2500 inches maximum bore diameter

Product Characteristics

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

Bore Diameter
1.2495 inches minimum and 1.2500 inches maximum
Overall Outside Diameter
2.5619 inches minimum and 2.5625 inches maximum
Outer Ring Width
0.7500 inches nominal
Inner Ring Width
0.8750 inches nominal
Surface Finish
ground
Retainer Fabrication Method
pressed
Seal Quantity
2
Bearing Seal Type
labyrinth
Load Direction
radial
Bore Shape
straight
Internal Fit-Up Designation
standard
Lubrication Material
grease
Lubrication Material Document And Classification
dod-g-24508 mil spec single material response
Material
rubber synthetic seal
Material
steel ball
Material
steel inner ring
Material
steel outer ring
Material
steel retainer
Style Designator
non-loading groove, non-separable

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
10956-9 Annular Ball Bearing
7520DL Annular Ball Bearing
7520DLGTN Annular Ball Bearing
7520DLGTNTG18 Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-497-0257?
The FSCG of the NSN 3110-00-497-0257 is 3110
Does the NSN 3110-00-497-0257 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-00-497-0257 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 3110-00-497-0257 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-497-0257 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 3110-00-497-0257 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Wed, Oct 8, 1969

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