PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

IR566432Ring,bearing,inner

Timken Aerospace, Inc Dba Torrington Product · NSN 3110-00-198-1193 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-198-1193 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-198-1193. Primary manufacturer part number: IR566432.
Features
  • Ring,bearing,inner — FSC 3110
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
  • Bore Shape: STRAIGHT
  • Style Designator: SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
  • Overall Outside Diameter: 4.0000 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Surface Finish: GROUND
  • Bore Diameter: 3.5000 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Ring,bearing,inner, cataloged under National Stock Number 3110-00-198-1193, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-198-1193
Primary Part NumberIR566432
Item NameRing,bearing,inner
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Aerospace, Inc Dba Torrington Product
StatusCANCELLED
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
Bore ShapeSTRAIGHT
Style DesignatorSOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
Overall Outside Diameter4.0000 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Surface FinishGROUND
Bore Diameter3.5000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
7920-00-061-00384054000 INTERCHANGEABLE
Brush,scrub
Cfs Brands, Llc Dba Carlisle Foodservice Products Div Carlisle Foodservice Products
4320-00-244-0069 INTERCHANGEABLE
Parts Kit,hydraulic Pump
Cross-Reference Index
Part NumberManufacturer
4054000 Koehring Co (USA)
F6167PT634 Cooper Machinery Services Llc (USA)
IR9688C Rbc Bearings Incorporated Div West Trenton Division (USA)
MI56 Mcgill Manufacturing Co, Inc (USA)
174716-2 Northrop Grumman Systems Corporation (USA)
1R566432 Timken Aerospace, Inc Dba Torrington Product (USA)
4054000 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
IR566432 PRIMARY Timken Aerospace, Inc Dba Torrington Product (USA)
MI-56 Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. (USA)
Related Parts
7920-00-061-0038INTERCHANGEABLE
BRUSH,SCRUB
4054000
4320-00-244-0069INTERCHANGEABLE
PARTS KIT,HYDRAULIC PUMP

Frequently Asked Questions

What is NSN 3110-00-198-1193?

NSN 3110-00-198-1193 is a Ring,bearing,inner, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-198-1193?

NSN 3110-00-198-1193 has 9 cross-referenced part numbers: 4054000 (Koehring Co), F6167PT634 (Cooper Machinery Services Llc), IR9688C (Rbc Bearings Incorporated Div West Trenton Division), MI56 (Mcgill Manufacturing Co, Inc), 174716-2 (Northrop Grumman Systems Corporation) and 4 more.

What NSN replaces 3110-00-198-1193?

There are 2 known substitutes for 3110-00-198-1193: 7920-00-061-0038, 4320-00-244-0069. Verify interchangeability with system specifications before substitution.

What are the specifications of IR566432?

Key specifications for IR566432: Standard Tolerance Designation: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS; Bore Shape: STRAIGHT; Overall Width: 2.0000 INCHES NOMINAL IN; Style Designator: SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-198-1193 still in active supply?

NSN 3110-00-198-1193 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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