PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38558Bearing,ball,thrust

Colson Corp the · NSN 3110-00-156-1721 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-1721 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-1721. Primary manufacturer part number: 38558.
Features
  • Bearing,ball,thrust — FSC 3110
  • Thrust Directional Capability Designation: SINGLE
  • Style Designator: GROOVED RACE SURFACE
  • Material: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL
  • Overall Outside Diameter: 2.0938 INCHES NOMINAL IN
  • Bore Smallest Diameter: 1.1250 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR THRUST BEARINGS
  • Surface Finish: GROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E51100 or Steel Comp E52100 Overall construction
General Description

The Bearing,ball,thrust, cataloged under National Stock Number 3110-00-156-1721, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Colson Corp the. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-1721
Primary Part Number38558
Item NameBearing,ball,thrust
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerColson Corp the
StatusACTIVE
Thrust Directional Capability DesignationSINGLE
Style DesignatorGROOVED RACE SURFACE
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
Overall Outside Diameter2.0938 INCHES NOMINAL IN
Bore Smallest Diameter1.1250 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR THRUST BEARINGS
Surface FinishGROUND
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Alignment TypeRIGID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4520-00-068-0294 INTERCHANGEABLE
Heating Element,electrical,nonim
6625-00-070-21664310 INTERCHANGEABLE
Wattmeter
Bird Electronic Corporation Div Bird Electronic Corp
5330-00-095-7069 INTERCHANGEABLE
Packing
5905-00-101-2529154-125 INTERCHANGEABLE
Resistor,fixed,wire Wound
Safetran Systems Co Sub of Cci Corp
6625-00-116-1632 INTERCHANGEABLE
Ammeter
5962-00-132-40161541-25 INTERCHANGEABLE
Microcircuit,linear
Burr-Brown Corp
4820-00-134-8906 INTERCHANGEABLE
Valve,linear,directional Control
5305-00-151-3051 INTERCHANGEABLE
Screw,machine
3110-00-155-95601310MWI INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
3417-00-203-1761 INTERCHANGEABLE
Milling Machine,tool and Die
Cross-Reference Index
Part NumberManufacturer
38558 Colson Corp the (USA)
154-125 General Motors Corp Electro-Motive Div (USA)
4310M Timken Co Div the Timken Company (USA)
154-125 General Motors Corp (USA)
MS17161-34 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
4310 Timken Co Div the Timken Company (USA)
4310 Andrews Bearing Corp Div of Mpb Corp Sub of Wheelabrator-Frye Inc (USA)
W1 1-4 Fag Bearings Corporation (USA)
250329 Agco Corp Parts Opn (USA)
010 Skf Usa Inc. (USA)
7B Skf Usa Inc. (USA)
Related Parts
4520-00-068-0294INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
6625-00-070-2166INTERCHANGEABLE
WATTMETER
4310
5330-00-095-7069INTERCHANGEABLE
PACKING
5905-00-101-2529INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
154-125
6625-00-116-1632INTERCHANGEABLE
AMMETER
5962-00-132-4016INTERCHANGEABLE
MICROCIRCUIT,LINEAR
1541-25
4820-00-134-8906INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
5305-00-151-3051INTERCHANGEABLE
SCREW,MACHINE
3110-00-155-9560INTERCHANGEABLE
BEARING,BALL,ANNULAR
1310MWI
3417-00-203-1761INTERCHANGEABLE
MILLING MACHINE,TOOL AND DIE
3418-00-240-5984INTERCHANGEABLE
SHAPER,METAL CUTTING,HORIZONTAL
7B
5330-00-291-6403INTERCHANGEABLE
SEAL,PLAIN ENCASED
10014

Frequently Asked Questions

What is NSN 3110-00-156-1721?

NSN 3110-00-156-1721 is a Bearing,ball,thrust, manufactured by Colson Corp the, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-1721?

NSN 3110-00-156-1721 has 11 cross-referenced part numbers: 38558 (Colson Corp the), 154-125 (General Motors Corp Electro-Motive Div), 4310M (Timken Co Div the Timken Company), 154-125 (General Motors Corp), MS17161-34 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 3110-00-156-1721?

There are 12 known substitutes for 3110-00-156-1721: 4520-00-068-0294, 6625-00-070-2166, 5330-00-095-7069 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 38558?

Key specifications for 38558: Thrust Directional Capability Designation: SINGLE; Special Features: 1.2813 LARGE BORE; Style Designator: GROOVED RACE SURFACE; Overall Height: 0.7188 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com