PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

204KSBearing,ball,annular

Lta/d-Cemco Inc Dba D-Cemco · NSN 3110-00-554-5780 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-554-5780 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-554-5780. Primary manufacturer part number: 204KS.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Shape: STRAIGHT
  • Load Direction: RADIAL
  • Standard Tolerance Designation: ABEC NO.1
  • Material: STEEL OVERALL
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Self-Alignment Location: EXTERNAL
  • Internal Fit-Up Designation: STANDARD
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-554-5780, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lta/d-Cemco Inc Dba D-Cemco. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-554-5780
Primary Part Number204KS
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerLta/d-Cemco Inc Dba D-Cemco
StatusCANCELLED
Bore ShapeSTRAIGHT
Load DirectionRADIAL
Standard Tolerance DesignationABEC NO.1
MaterialSTEEL OVERALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Self-Alignment LocationEXTERNAL
Internal Fit-Up DesignationSTANDARD
Alignment TypeSELF-ALIGNING
Overall Outside Diameter52.00 MILLIMETERS NOMINAL MM
Retainer Fabrication MethodPRESSED
Bore Diameter20.00 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3110-00-488-1245206-040-207-1 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3110-00-554-3232204S INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3110-01-131-369112273118 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
6515-01-240-5800204S INTERCHANGEABLE
Band,circling
Mira Inc
6520-01-346-7481204S INTERCHANGEABLE
Scaler,dental
Hu-Friedy Mfg. Co., Llc
Cross-Reference Index
Part NumberManufacturer
204KS PRIMARY Lta/d-Cemco Inc Dba D-Cemco (USA)
204KS Timken Co Div the Timken Company (USA)
204S Timken Co Div the Timken Company (USA)
204S Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
204S0 Timken Co Div the Timken Company (USA)
Related Parts
3110-00-488-1245INTERCHANGEABLE
BEARING,BALL,ANNULAR
206-040-207-1
3110-00-554-3232INTERCHANGEABLE
BEARING,BALL,ANNULAR
204S
3110-01-131-3691INTERCHANGEABLE
BEARING,BALL,ANNULAR
12273118
6515-01-240-5800INTERCHANGEABLE
BAND,CIRCLING
204S
6520-01-346-7481INTERCHANGEABLE
SCALER,DENTAL
204S

Frequently Asked Questions

What is NSN 3110-00-554-5780?

NSN 3110-00-554-5780 is a Bearing,ball,annular, manufactured by Lta/d-Cemco Inc Dba D-Cemco, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-554-5780?

NSN 3110-00-554-5780 has 5 cross-referenced part numbers: 204KS (Lta/d-Cemco Inc Dba D-Cemco), 204KS (Timken Co Div the Timken Company), 204S (Timken Co Div the Timken Company), 204S (Schatz Bearing Corporation Dba Schatz Bearing Corp), 204S0 (Timken Co Div the Timken Company).

What NSN replaces 3110-00-554-5780?

There are 5 known substitutes for 3110-00-554-5780: 3110-00-488-1245, 3110-00-554-3232, 3110-01-131-3691 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 204KS?

Key specifications for 204KS: Bore Shape: STRAIGHT; Load Direction: RADIAL; Standard Tolerance Designation: ABEC NO.1; Material: STEEL OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-554-5780 still in active supply?

NSN 3110-00-554-5780 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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