B543DD Airframe Ball Bearing

Comprehensive specifications and application details for: B543DD Airframe Ball Bearing.

Summary

Explore detailed summary information for bearing: B543DD. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
B543DD
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-01-032-8625
Item Name Code
00041
Federal Item Identification Guide
A044A0
Assigment Date
12/24/1976

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened ball, bearing which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes:bearing,ball,annular.

radial load direction, mil-g-81322 mil spec single material response lubrication material document and classification, 1.5618 inches minimum and 1.5632 inches maximum bore diameter, contact bearing seal type, 0.2760 inches minimum and 0.2810 inches maximum inner ring width

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-01-032-8625 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bearing Seal Type
contact
Bore Diameter
1.5618 inches minimum and 1.5632 inches maximum
Inner Ring Width
0.2760 inches minimum and 0.2810 inches maximum
Load Direction
radial
Lubrication Material Document And Classification
mil-g-81322 mil spec single material response
Lubrication Material
grease
Outer Ring Width
0.2450 inches minimum and 0.2500 inches maximum
Overall Outside Diameter
1.9990 inches minimum and 2.0000 inches maximum
Material Document And Classification
ams 3652 assn std single material response or ams 3666 assn std single material response seal
Material
plastic polytetrafluoroethylene seal
Material
steel comp e51100 or steel comp e52100 ball
Material
steel comp e52100 inner ring
Material
steel comp e52100 outer ring
Special Features
80 pct full specified lubricant,radial clearance 0.0008 in. min 0.0018 in. max
Seal Quantity
2
Style Designator
single row inner ring extended both sides
Surface Treatment
cadmium all external/exposed metal surfaces

Replaces

The NSN 3110-01-032-8625 is used in place of the following discontinued or alternate items:

NSN Name Date
3110-00-019-5384 No Name Available 02/01/2001
3110-00-657-2973 No Name Available 04/01/1995

Frequently Asked Questions

Find quick answers to common questions about bearing: B543DD. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-01-032-8625?
The FSCG of the NSN 3110-01-032-8625 is 3110
Does the NSN 3110-01-032-8625 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105068
Does NSN 3110-01-032-8625 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 3110-01-032-8625 contain precious materials?
Precious metal content is unknown
Does NSN 3110-01-032-8625 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 3110-01-032-8625 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Fri, Dec 24, 1976

Price & Availability

Fill out the form to get pricing and availability details for the bearing: B543DD

Stock Availability

This product is available in the following quantities and conditions:

New Material 830
New Surplus 98
As Removed 1
Serviceable 1
Total 930
Availability of this item was last updated on: 07/19/2026 11:07 PM EDT. Availability may have changed since then. Request a quote for up to date pricing and availability.

Popular Bearings

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

MS21241-08A012
3120-01-238-1898
Sleeve Bearing
MS21241-08A014
3120-01-326-2243
Sleeve Bushing
MS21241-08A016
3120-01-327-2305
Sleeve Bushing
MS21241-08C008
3120-01-044-0834
Sleeve Bearing
MS21241-08C009
3120-01-040-2128
Sleeve Bearing
MS21241-08C012
3120-01-025-6485
Sleeve Bearing
MS21241-08C014
3120-01-014-1250
Sleeve Bearing
MS21241-08C028
3120-01-326-2244
Sleeve Bushing
MS21241-08C08
3120-01-044-0834
Sleeve Bearing
MS21241-09A004
3120-01-142-6355
Sleeve Bearing
MS21241-09A016
3120-01-084-9241
Sleeve Bearing
MS21241-09A020
3120-01-354-8269
Sleeve Bearing
MS21241-09C012
3120-01-043-0084
Sleeve Bearing
MS21241-10A010
3120-01-354-8270
Sleeve Bearing
MS21241-10A011
3120-01-107-3664
Sleeve Bearing