03-503-07DD

Comprehensive specifications and application details for: 03-503-07DD Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: 03-503-07DD. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
03-503-07DD
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-726-4340
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
01/01/1963

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.

19.0 rockwell c nominal outer race member hardness rating, 57.0 rockwell c nominal inner member hardness rating, 0.4370 inches minimum and 0.4375 inches maximum bore diameter, 0.4320 inches minimum and 0.4370 inches maximum inner member width, groove external outer member lubrication feature

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-726-4340 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.4370 inches minimum and 0.4375 inches maximum
Hardness Rating
57.0 rockwell c nominal inner member
Hardness Rating
19.0 rockwell c nominal outer race member
Inner Member Width
0.4320 inches minimum and 0.4370 inches maximum
Lubrication Feature
groove external outer member
Lubrication Feature
perforation outer race member
Material
lubricant lubrication
Material
steel comp 303 or steel comp 347 outer race member
Material
steel comp e52100 inner member
Outer Member Outside Diameter
0.9057 inches minimum and 0.9062 inches maximum
Outer Member Width
0.3380 inches nominal
Special Features
bore of ball and id of race coated with dry film lubricant
Style Designator
without insert or liner
Surface Treatment
chromium inner member

Frequently Asked Questions

Find quick answers to common questions about bearing: 03-503-07DD. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-726-4340?
The FSCG of the NSN 3120-00-726-4340 is 3120
Does the NSN 3120-00-726-4340 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-00-726-4340 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 3120-00-726-4340 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-726-4340 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 3120-00-726-4340 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

Fill out the form to get pricing and availability details for the bearing: 03-503-07DD

Popular Bearings

Browse our selection of high-demand, high-performance bearings:

169160
3120-00-516-0223
Sleeve Bearing
169164
3110-00-948-9797
Bearing Ball
16916630
3120-01-477-7675
Sleeve Bearing
169173-6
3110-00-101-4573
Duplex Ball Bearing
169187B
3120-00-339-2625
Sleeve Bushing
1691980
3110-01-346-9776
Bearing Retaining Plate
1692
3110-00-156-3500
Annular Ball Bearing
1692062
3110-01-040-4839
Needle Bearing Cam Follower
169218
3120-00-516-0470
Sleeve Bearing
169223-9
3110-00-155-6200
Annular Ball Bearing
169230
3120-00-516-0222
Sleeve Bearing
169242
3120-00-516-1026
Sleeve Bearing
169243
3110-00-100-5998
Tapered Roller Bearing
1692476
3120-01-332-7943
Sleeve Bushing
1692484
3120-01-334-0411
Sleeve Bushing