PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

211593Bearing,ball,annular

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 3110-00-227-4729 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-227-4729 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-227-4729. Primary manufacturer part number: 211593.
Features
  • Bearing,ball,annular — FSC 3110
  • Standard Tolerance Designation: ABEC NO.1
  • Material: STEEL COMP E52100 INNER RING
  • Surface Finish: GROUND
  • Material: COPPER ALLOY RETAINER
  • Material Document and Classification: AMS 4616 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
  • Material Document and Classification: AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE BALL
  • Material Document and Classification: AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Inner Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-227-4729, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-227-4729
Primary Part Number211593
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Standard Tolerance DesignationABEC NO.1
MaterialSTEEL COMP E52100 INNER RING
Surface FinishGROUND
MaterialCOPPER ALLOY RETAINER
Material Document and ClassificationAMS 4616 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
Material Document and ClassificationAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE BALL
Material Document and ClassificationAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
Material Document and ClassificationAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
MaterialSTEEL COMP E52100 BALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Load DirectionRADIAL
Internal Fit-Up DesignationSTANDARD
Internal Clearance0.0003 INCHES MINIMUM RADIAL AND 0.0007 INCHES MAXIMUM RADIAL IN
Bore Diameter1.9680 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM IN
Bore ShapeSTRAIGHT
Retainer Fabrication MethodMACHINED
MaterialSTEEL COMP E52100 OUTER RING
Overall Outside Diameter2.8341 INCHES MINIMUM AND 2.8346 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-100-369907098 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
211593 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
3110-00-100-3699INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
07098

Frequently Asked Questions

What is NSN 3110-00-227-4729?

NSN 3110-00-227-4729 is a Bearing,ball,annular, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-227-4729?

NSN 3110-00-227-4729 has 1 cross-referenced part number: 211593 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 3110-00-227-4729?

There is 1 known substitute for 3110-00-227-4729: 3110-00-100-3699. Verify interchangeability with system specifications before substitution.

What are the specifications of 211593?

Key specifications for 211593: Standard Tolerance Designation: ABEC NO.1; Material: STEEL COMP E52100 INNER RING; Surface Finish: GROUND; Material: COPPER ALLOY RETAINER. 20 total characteristics are documented in the Federal Logistics Information System.

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