PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41543Bearing,ball,annular

Telemechanics Inc · NSN 3110-01-068-0521 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-068-0521 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-068-0521. Primary manufacturer part number: 41543.
Features
  • Bearing,ball,annular — FSC 3110
  • Load Direction: RADIAL
  • Bore Shape: STRAIGHT
  • Surface Finish: GROUND
  • Retainer Fabrication Method: PRESSED
  • Lubrication Material: GREASE
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL CORROSION RESISTING OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-068-0521, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-068-0521
Primary Part Number41543
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Load DirectionRADIAL
Bore ShapeSTRAIGHT
Surface FinishGROUND
Retainer Fabrication MethodPRESSED
Lubrication MaterialGREASE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL CORROSION RESISTING OVERALL
Overall Outside Diameter0.8750 INCHES NOMINAL IN
Bore Diameter0.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-285-839841543 INTERCHANGEABLE
Seal,plain Encased
Dressta North America Ltd
5310-00-528-30549A7884 INTERCHANGEABLE
Washer,split
Napco International Llc Dba Napco International Inc
4820-00-803-550641543 INTERCHANGEABLE
Thermal Unit,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5962-01-204-638841543 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
4820-01-218-2486010-500-0012 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
9540-01-296-912141543 INTERCHANGEABLE
Structural Section,special Shape
Aluminum Co of America
3040-01-478-697715098-41540 ITEM 3 INTERCHANGEABLE
Bracket,eye,rotating Shaft
Moog Inc. Dba Ampac-Isp Corp
5998-01-647-970641543 INTERCHANGEABLE
Circuit Card Assembly
Extreme Networks, Inc
Cross-Reference Index
Part NumberManufacturer
41543 PRIMARY Telemechanics Inc (USA)
41543 American Telephone and Telegraph Co (USA)
Related Parts
5330-00-285-8398INTERCHANGEABLE
SEAL,PLAIN ENCASED
41543
5310-00-528-3054INTERCHANGEABLE
WASHER,SPLIT
9A7884
4820-00-803-5506INTERCHANGEABLE
THERMAL UNIT,VALVE
41543
5962-01-204-6388INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41543
4820-01-218-2486INTERCHANGEABLE
SEAT,VALVE
010-500-0012
9540-01-296-9121INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE
41543
3040-01-478-6977INTERCHANGEABLE
BRACKET,EYE,ROTATING SHAFT
15098-41540 ITEM 3
5998-01-647-9706INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
41543

Frequently Asked Questions

What is NSN 3110-01-068-0521?

NSN 3110-01-068-0521 is a Bearing,ball,annular, manufactured by Telemechanics Inc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-068-0521?

NSN 3110-01-068-0521 has 2 cross-referenced part numbers: 41543 (Telemechanics Inc), 41543 (American Telephone and Telegraph Co).

What NSN replaces 3110-01-068-0521?

There are 8 known substitutes for 3110-01-068-0521: 5330-00-285-8398, 5310-00-528-3054, 4820-00-803-5506 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41543?

Key specifications for 41543: Overall Width: 0.2187 INCHES NOMINAL IN; Load Direction: RADIAL; Bore Shape: STRAIGHT; Surface Finish: GROUND. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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