PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S518FCHHLG20Bearing,ball,annular

Mpb Corp Div Timken Super Precision · NSN 3110-00-555-7470 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-555-7470 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-555-7470. Primary manufacturer part number: S518FCHHLG20.
Features
  • Bearing,ball,annular — FSC 3110
  • Lubrication Material Document and Classification: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
  • Shield Quantity: 2
  • Surface Finish: GROUND
  • Retainer Fabrication Method: PRESSED
  • Standard Tolerance Designation: ABEC NO.5
  • Flange Width: 0.0310 INCHES NOMINAL IN
  • Load Direction: RADIAL
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 3110-00-555-7470, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 33 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-555-7470
Primary Part NumberS518FCHHLG20
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMpb Corp Div Timken Super Precision
StatusCANCELLED
Lubrication Material Document and ClassificationMIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
Shield Quantity2
Surface FinishGROUND
Retainer Fabrication MethodPRESSED
Standard Tolerance DesignationABEC NO.5
Flange Width0.0310 INCHES NOMINAL IN
Load DirectionRADIAL
Bore ShapeSTRAIGHT
Flange Outside Diameter0.3590 INCHES NOMINAL IN
Outer Ring Outside Diameter0.3125 INCHES NOMINAL IN
Internal Clearance0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
Lubrication MaterialGREASE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL CORROSION RESISTING OVERALL
Bore Diameter0.1250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
3110-00-100-6180067111 INTERCHANGEABLE
Ball,bearing
Cnh Industrial America Llc Dba Cnh America
5999-01-043-4919E-48 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
6145-01-126-3760C9250-11 INTERCHANGEABLE
Cable,special Purpose,electrical
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
5340-01-129-309212305012 INTERCHANGEABLE
Bracket,angle
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5962-01-150-5648 INTERCHANGEABLE
Microcircuit,digital
3439-01-256-4624 INTERCHANGEABLE
Tip,electric Soldering Iron
4240-01-512-2420E-48 INTERCHANGEABLE
Extension Ram,rescue and Salvagi
Power Hawk Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
SFR2-5PPK26-235 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
10033208-5 Us Army Aviation and Missile Command (USA)
FC2-5FFMSTT506S020H75B6226R Skf Usa Inc. (USA)
S518FCHHP26LO20 Mpb Corp Div Timken Super Precision (USA)
S518FCHHLG20 PRIMARY Mpb Corp Div Timken Super Precision (USA)
SS518FCHH PRIMARY Mpb Corp Div Timken Super Precision (USA)
5131-971 Atlantic Inertial Systems Limited (GBR)
710410-014 Raytheon Company Div Rmd Strategic (USA)
45-000-76 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
SFR2-55PP168 PRIMARY New Hampshire Ball Bearings Inc Div Hitech Division (USA)
AVF8K20DDFS67149 Timken Co Div the Timken Company (USA)
SFR2-55PPK25-168 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
E4-8 Roller Bearing Co of America, Inc Div Pic Design (USA)
710410-014 Raytheon Company Dba Raytheon (USA)
SFR2-55PPM1LG-2 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
AVF8K20DDFS160 Timken Co Div the Timken Company (USA)
SS518FCHHLG20 Mimeograph Shop (USA)
1230501-2 Honeywell Intl Inc Defense Avionics Systems (USA)
350793-8-111 Raytheon Company Div Corp (USA)
SK5131-971 Atlantic Inertial Systems Limited (GBR)
Related Parts
3110-00-100-6180INTERCHANGEABLE
BALL,BEARING
067111
5999-01-043-4919INTERCHANGEABLE
HEATER,THERMAL RELEASE
E-48
6145-01-126-3760INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
C9250-11
5340-01-129-3092INTERCHANGEABLE
BRACKET,ANGLE
12305012
5962-01-150-5648INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
3439-01-256-4624INTERCHANGEABLE
TIP,ELECTRIC SOLDERING IRON
4240-01-512-2420INTERCHANGEABLE
EXTENSION RAM,RESCUE AND SALVAGI
E-48

Frequently Asked Questions

What is NSN 3110-00-555-7470?

NSN 3110-00-555-7470 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-555-7470?

NSN 3110-00-555-7470 has 33 cross-referenced part numbers: SFR2-5PPK26-235 (New Hampshire Ball Bearings Inc Div Hitech Division), 10033208-5 (Us Army Aviation and Missile Command), FC2-5FFMSTT506S020H75B6226R (Skf Usa Inc.), S518FCHHP26LO20 (Mpb Corp Div Timken Super Precision), S518FCHHLG20 (Mpb Corp Div Timken Super Precision) and 28 more.

What NSN replaces 3110-00-555-7470?

There are 7 known substitutes for 3110-00-555-7470: 3110-00-100-6180, 5999-01-043-4919, 6145-01-126-3760 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S518FCHHLG20?

Key specifications for S518FCHHLG20: Lubrication Material Document and Classification: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE; Shield Quantity: 2; Surface Finish: GROUND; Retainer Fabrication Method: PRESSED. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-555-7470 still in active supply?

NSN 3110-00-555-7470 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.
PartsTable Design LLC · partstable.com