PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S200TX21Bearing,ball,annular

Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation · NSN 3110-01-128-7108 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-128-7108 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-128-7108. Primary manufacturer part number: S200TX21.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 1.1809 INCHES MINIMUM AND 1.1811 INCHES MAXIMUM IN
  • Material: STEEL COMP 440A BALL A
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL COMP 440A OUTER RING A
  • Material: STEEL COMP 440A INNER RING A
  • Material: PLASTIC PHENOLIC RETAINER
  • Load Direction: RADIAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440A Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-128-7108, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-128-7108
Primary Part NumberS200TX21
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSchaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
StatusACTIVE
Overall Outside Diameter1.1809 INCHES MINIMUM AND 1.1811 INCHES MAXIMUM IN
MaterialSTEEL COMP 440A BALL A
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL COMP 440A OUTER RING A
MaterialSTEEL COMP 440A INNER RING A
MaterialPLASTIC PHENOLIC RETAINER
Load DirectionRADIAL
Internal Clearance0.0005 INCHES MINIMUM RADIAL AND 0.0009 INCHES MAXIMUM RADIAL IN
Bore ShapeSTRAIGHT
Standard Tolerance DesignationABEC NO.5
Retainer Fabrication MethodMACHINED
Bore Diameter0.3935 INCHES MINIMUM AND 0.3937 INCHES MAXIMUM IN
Features ProvidedALIGNING RING
Surface FinishGROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-817-7915595R679H01 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5940-00-972-2810G1150-27066 INTERCHANGEABLE
Terminal,stud
Prestolite Electric Inc
3130-01-224-9252 INTERCHANGEABLE
Housing,bearing Unit
6515-01-242-3965395.95 INTERCHANGEABLE
Sleeve,drill,bone Fixation
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5305-01-674-762539595 INTERCHANGEABLE
Screw,shoulder
Fastenal Company Dba Fastenal Co
5930-01-727-702027066 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
S200TX21 PRIMARY Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
27066 Williams International Co., L.l.c. (USA)
39595 Williams International Co., L.l.c. (USA)
Related Parts
5950-00-817-7915INTERCHANGEABLE
TRANSFORMER,POWER
595R679H01
5940-00-972-2810INTERCHANGEABLE
TERMINAL,STUD
G1150-27066
3130-01-224-9252INTERCHANGEABLE
HOUSING,BEARING UNIT
6515-01-242-3965INTERCHANGEABLE
SLEEVE,DRILL,BONE FIXATION
395.95
5305-01-674-7625INTERCHANGEABLE
SCREW,SHOULDER
39595
5930-01-727-7020INTERCHANGEABLE
SWITCH,FLOW
27066

Frequently Asked Questions

What is NSN 3110-01-128-7108?

NSN 3110-01-128-7108 is a Bearing,ball,annular, manufactured by Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-128-7108?

NSN 3110-01-128-7108 has 3 cross-referenced part numbers: S200TX21 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), 27066 (Williams International Co., L.l.c.), 39595 (Williams International Co., L.l.c.).

What NSN replaces 3110-01-128-7108?

There are 6 known substitutes for 3110-01-128-7108: 5950-00-817-7915, 5940-00-972-2810, 3130-01-224-9252 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S200TX21?

Key specifications for S200TX21: Overall Outside Diameter: 1.1809 INCHES MINIMUM AND 1.1811 INCHES MAXIMUM IN; Material: STEEL COMP 440A BALL A; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Material: STEEL COMP 440A OUTER RING A. 16 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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