PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RMS3KBearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-554-5239 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-554-5239 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-554-5239. Primary manufacturer part number: RMS3K.
Features
  • Bearing,ball,annular — FSC 3110
  • Load Direction: RADIAL
  • Bore Shape: STRAIGHT
  • Retainer Fabrication Method: PRESSED
  • Material: STEEL OVERALL
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Overall Outside Diameter: 0.8750 INCHES NOMINAL IN
  • Standard Tolerance Designation: ABEC NO.3
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 3110-00-554-5239, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-554-5239
Primary Part NumberRMS3K
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusCANCELLED
Load DirectionRADIAL
Bore ShapeSTRAIGHT
Retainer Fabrication MethodPRESSED
MaterialSTEEL OVERALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Overall Outside Diameter0.8750 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.3
Internal Fit-Up DesignationSTANDARD
Surface FinishGROUND
Bore Diameter0.3750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-155-8407102668-608 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
RMS3K Timken Co Div the Timken Company (USA)
R6XR3J General Motors Corp (USA)
R6XR3J General Motors Corp Delco Moraine Ndh Div (USA)
MS3K Timken Co Div the Timken Company (USA)
S3SS5AP7 Skf Usa Inc. (USA)
R6E306A323A18S026R Skf Usa Inc. (USA)
R6 Skf Usa Inc. (USA)
SE3K Timken Aerospace Uk (GBR)
R6A306A323A18S7304R Skf Usa Inc. (USA)
RMS3KFS16488S3 Timken Co Div the Timken Company (USA)
SE3K Advanced Logistics for Aerospace (uk) Limited (GBR)
S3SS5A7 Skf Usa Inc. (USA)
SE3K Torrington Company Ltd (GBR)
MS3K Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS3KDDC3A1489 Timken Co Div the Timken Company (USA)
R6X3 General Motors Corp Delco Moraine Ndh Div (USA)
S3RTFB3 Fag Bearings Corporation (USA)
R6X3 General Motors Corp (USA)
R63DK25 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
Related Parts
3110-00-155-8407INTERCHANGEABLE
BEARING,BALL,ANNULAR
102668-608

Frequently Asked Questions

What is NSN 3110-00-554-5239?

NSN 3110-00-554-5239 is a Bearing,ball,annular, manufactured by Timken Co Div the Timken Company, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-554-5239?

NSN 3110-00-554-5239 has 19 cross-referenced part numbers: RMS3K (Timken Co Div the Timken Company), R6XR3J (General Motors Corp), R6XR3J (General Motors Corp Delco Moraine Ndh Div), MS3K (Timken Co Div the Timken Company), S3SS5AP7 (Skf Usa Inc.) and 14 more.

What NSN replaces 3110-00-554-5239?

There is 1 known substitute for 3110-00-554-5239: 3110-00-155-8407. Verify interchangeability with system specifications before substitution.

What are the specifications of RMS3K?

Key specifications for RMS3K: Load Direction: RADIAL; Bore Shape: STRAIGHT; Retainer Fabrication Method: PRESSED; Material: STEEL OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-554-5239 still in active supply?

NSN 3110-00-554-5239 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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