PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17578Bearing,ball,duplex

Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings · NSN 3110-01-332-4474 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-332-4474 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-332-4474. Primary manufacturer part number: 17578.
Features
  • Bearing,ball,duplex — FSC 3110
  • Surface Treatment: PASSIVATE BALL
  • Bore Diameter: 11.0000 INCHES NOMINAL IN
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING
  • Material: GREASE LUBRICATION
  • Surface Treatment Document and Classification: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE RETAINING PLATE
  • Material Document and Classification: UNABLE TO DECODE
  • Contact Angle: 30.0 RADIANS NOMINAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Grease Lubrication construction
General Description

The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-332-4474, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN3110-01-332-4474
Primary Part Number17578
Item NameBearing,ball,duplex
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerIndustrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings
StatusCANCELLED
Surface TreatmentPASSIVATE BALL
Bore Diameter11.0000 INCHES NOMINAL IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING
MaterialGREASE LUBRICATION
Surface Treatment Document and ClassificationASTM A380 ASSN STD SINGLE TREATMENT RESPONSE RETAINING PLATE
Material Document and ClassificationUNABLE TO DECODE
Contact Angle30.0 RADIANS NOMINAL
Load DirectionANGULAR
Lubrication Material Document and Classification717806003 TYPE 2,CAGEC 04939 MFR REF SINGLE MATERIAL RESPONSE
Material Document and ClassificationUNABLE TO DECODE
MaterialSTEEL COMP 440C INNER RING
Surface TreatmentPASSIVATE INNER RING
Surface FinishGROUND
MaterialPLASTIC POLYAMIDE NYLON RETAINER
Surface Treatment Document and ClassificationASTM A380 ASSN STD SINGLE TREATMENT RESPONSE INNER RING
MaterialSTEEL COMP 440C OUTER RING
MaterialSTEEL COMP 440C BALL
Bearing Preload Rating20.0 POUNDS MINIMUM AND 60.0 POUNDS MAXIMUM LBS
Material Document and ClassificationUNABLE TO DECODE
Overall Outside Diameter11.5000 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.7
Material Document and ClassificationUNABLE TO DECODE
Surface Treatment Document and ClassificationASTM A380 ASSN STD SINGLE TREATMENT RESPONSE BALL
Surface TreatmentPASSIVATE OUTER RING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5999-00-563-008810-05-1577-1250 INTERCHANGEABLE
Shielding Gasket,electronic
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
5930-00-730-0473 INTERCHANGEABLE
Switch,rotary
1005-01-059-50541211C17578 INTERCHANGEABLE
Center Section,chute
Nobles Worldwide, Inc.
4210-01-187-228017578 INTERCHANGEABLE
Fire Extinguisher System Assembl
Tyco Fire Products Lp
2520-01-674-021117578 INTERCHANGEABLE
Housing,transmission,mechanical
New Venture Gear Inc New Process Gear Div
Cross-Reference Index
Part NumberManufacturer
17578 PRIMARY Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings (USA)
15218201 PRIMARY Kaydon Corporation Dba Kaydon Corp (USA)
717801759-003 Lockheed Martin Corporation (USA)
Related Parts
5999-00-563-0088INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
10-05-1577-1250
5930-00-730-0473INTERCHANGEABLE
SWITCH,ROTARY
1005-01-059-5054INTERCHANGEABLE
CENTER SECTION,CHUTE
1211C17578
4210-01-187-2280INTERCHANGEABLE
FIRE EXTINGUISHER SYSTEM ASSEMBL
17578
2520-01-674-0211INTERCHANGEABLE
HOUSING,TRANSMISSION,MECHANICAL
17578

Frequently Asked Questions

What is NSN 3110-01-332-4474?

NSN 3110-01-332-4474 is a Bearing,ball,duplex, manufactured by Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-01-332-4474?

NSN 3110-01-332-4474 has 3 cross-referenced part numbers: 17578 (Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings), 15218201 (Kaydon Corporation Dba Kaydon Corp), 717801759-003 (Lockheed Martin Corporation).

What NSN replaces 3110-01-332-4474?

There are 5 known substitutes for 3110-01-332-4474: 5999-00-563-0088, 5930-00-730-0473, 1005-01-059-5054 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17578?

Key specifications for 17578: Surface Treatment: PASSIVATE BALL; Bore Diameter: 11.0000 INCHES NOMINAL IN; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING; Material: GREASE LUBRICATION. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-01-332-4474 still in active supply?

NSN 3110-01-332-4474 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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