PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PT873Bearing,roller,tapered

Borg-Warner Corp · NSN 3110-00-100-4220 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-4220 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-4220. Primary manufacturer part number: PT873.
Features
  • Bearing,roller,tapered — FSC 3110
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Overall Outside Diameter: 6.0000 INCHES NOMINAL IN
  • Cone Corner Radius: 0.1400 INCHES NOMINAL IN
  • Standout Width: 0.3750 INCHES NOMINAL IN
  • Cone Width: 1.4300 INCHES NOMINAL IN
  • Style Designator: STRAIGHT BORE, NORMAL ANGLE
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 or Steel Comp 4320 or Steel Comp 4620 or Steel Comp 8620 Overall construction
General Description

The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-100-4220, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Borg-Warner Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-100-4220
Primary Part NumberPT873
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerBorg-Warner Corp
StatusCANCELLED
Standard Tolerance DesignationAFBMA CLASS 2
Overall Outside Diameter6.0000 INCHES NOMINAL IN
Cone Corner Radius0.1400 INCHES NOMINAL IN
Standout Width0.3750 INCHES NOMINAL IN
Cone Width1.4300 INCHES NOMINAL IN
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Backface Corner Radius0.1250 INCHES NOMINAL IN
Bore Diameter3.5000 INCHES NOMINAL IN
Cup Width1.1875 INCHES NOMINAL IN
MaterialSTEEL COMP E52100 OR STEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5355-00-160-6099MS91531-3F2B INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5355-00-230-2326M2-14 INTERCHANGEABLE
Dial,control
Roller Bearing Co of America, Inc Div Pic Design
5910-00-691-0205433391-4 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
5910-00-712-8343433391-5 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
Cross-Reference Index
Part NumberManufacturer
PT873 Borg-Warner Corp (USA)
FFB187/01-642 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
25Z259D26 Morris Material Handling, Inc. (USA)
593-592A The Timken Corporation (USA)
593-592A Federal-Mogul Corp Government Sales Dept (USA)
38637D Navistar International Corporation Dba Navistar (USA)
593592A Scott Huber Essick a Co of Figgie International Inc (USA)
M214 Dresser Industries Inc Waukesha Engine Div (USA)
593AND592A Abc/sunray Corp (USA)
38637D Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
PT873 Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
3110001004220 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
PT873 Lockwood Corp (USA)
593-592A Skf Usa Inc. (USA)
MS19081-137 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
A-A-59649 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
593-592A Ntn Bearing Corporation of America (USA)
RC25027 Eagle Crusher Co Inc Dba Stedman Machine Co (USA)
AA59649-642 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FF-B-187/01 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5355-00-160-6099INTERCHANGEABLE
KNOB
MS91531-3F2B
5355-00-230-2326INTERCHANGEABLE
DIAL,CONTROL
M2-14
5910-00-691-0205INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
433391-4
5910-00-712-8343INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
433391-5

Frequently Asked Questions

What is NSN 3110-00-100-4220?

NSN 3110-00-100-4220 is a Bearing,roller,tapered, manufactured by Borg-Warner Corp, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-100-4220?

NSN 3110-00-100-4220 has 20 cross-referenced part numbers: PT873 (Borg-Warner Corp), FFB187/01-642 (Federal Specifications Promulgated by General Services Administration Washington DC), 25Z259D26 (Morris Material Handling, Inc.), 593-592A (The Timken Corporation), 593-592A (Federal-Mogul Corp Government Sales Dept) and 15 more.

What NSN replaces 3110-00-100-4220?

There are 4 known substitutes for 3110-00-100-4220: 5355-00-160-6099, 5355-00-230-2326, 5910-00-691-0205 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PT873?

Key specifications for PT873: Standard Tolerance Designation: AFBMA CLASS 2; Overall Outside Diameter: 6.0000 INCHES NOMINAL IN; Cone Corner Radius: 0.1400 INCHES NOMINAL IN; Standout Width: 0.3750 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-4220 still in active supply?

NSN 3110-00-100-4220 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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