03-503-08DD

Comprehensive specifications and application details for: 03-503-08DD Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: 03-503-08DD. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
03-503-08DD
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-100-6954
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
12/10/1972

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.

28.0 rockwell c minimum and 36.0 rockwell c maximum outer race member hardness rating, 0.4950 inches minimum and 0.5000 inches maximum inner member width, groove external outer member lubrication feature, 0.4995 inches minimum and 0.5000 inches maximum bore diameter, 55.0 rockwell c minimum and 60.0 rockwell c maximum inner member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-100-6954 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.4995 inches minimum and 0.5000 inches maximum
Hardness Rating
55.0 rockwell c minimum and 60.0 rockwell c maximum inner member
Hardness Rating
28.0 rockwell c minimum and 36.0 rockwell c maximum outer race member
Inner Member Width
0.4950 inches minimum and 0.5000 inches maximum
Lubrication Feature
groove external outer member
Lubrication Feature
groove internal outer member
Lubrication Feature
perforation outer race member
Material Document And Classification
ams 5643 assn std single material response outer race member
Material Document And Classification
bms 3-8, mcdonnell douglas corp, mcdonnell aircraft division mfr ref single material response lubrication
Material Document And Classification
qq-s-763,class 440c fed spec single material response inner member
Material
lubricant dry film lubrication
Material
steel comp 440c inner member
Material
steel comp 630 outer race member
Outer Member Outside Diameter
0.9995 inches minimum and 1.0000 inches maximum
Outer Member Width
0.3850 inches minimum and 0.3950 inches maximum
Static Radial Load Rating
30000 pounds
Style Designator
without insert or liner

Replaces

The NSN 3120-00-100-6954 is used in place of the following discontinued or alternate items:

NSN Name Date
3120-00-007-0191 No Name Available 01/01/1984

Frequently Asked Questions

Find quick answers to common questions about bearing: 03-503-08DD. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-100-6954?
The FSCG of the NSN 3120-00-100-6954 is 3120
Does the NSN 3120-00-100-6954 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-00-100-6954 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 3120-00-100-6954 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-100-6954 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 3120-00-100-6954 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Sun, Dec 10, 1972

Price & Availability

Fill out the form to get pricing and availability details for the bearing: 03-503-08DD

Popular Bearings

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

325419
3120-01-013-5507
Sleeve Bushing
325420587
3110-00-259-1633
Tapered Roller Bearing
325432
3120-01-197-9314
Sleeve Bushing
3254590
3110-00-144-8577
Annular Ball Bearing
3254601
3120-00-661-4970
Sleeve Bearing
325467R1
3120-00-891-0157
Sleeve Bushing
325542
3120-01-119-4442
Sleeve Bushing
3255543
3120-00-395-0855
Sleeve Bearing
32556
3110-00-963-1413
Cylindrical Roller Bearing
325590PC2
3120-00-159-6676
Sleeve Bearing Set
3256-058
3120-01-133-6592
Sleeve Bushing
3256-060
3120-01-202-0163
Sleeve Bushing
3256-1 PIECE 19
3130-01-164-8420
Pillow Block Cap
3256-1 PIECE 20
3130-01-185-4569
Pillow Block Cap
3256-5PC23
3110-00-987-3726
Annular Ball Bearing