PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS19081-125Bearing,roller,tapered

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 3110-00-100-4245 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-4245 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-4245. Primary manufacturer part number: MS19081-125.
Features
  • Bearing,roller,tapered — FSC 3110
  • Cone Corner Radius: 0.1400 INCHES NOMINAL IN
  • Cup Width: 1.2500 INCHES NOMINAL IN
  • Style Designator: STRAIGHT BORE, NORMAL ANGLE
  • Cone Width: 1.6250 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Material: STEEL OVERALL
  • Standout Width: 0.3750 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-100-4245, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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
NSN3110-00-100-4245
Primary Part NumberMS19081-125
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Cone Corner Radius0.1400 INCHES NOMINAL IN
Cup Width1.2500 INCHES NOMINAL IN
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Cone Width1.6250 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
MaterialSTEEL OVERALL
Standout Width0.3750 INCHES NOMINAL IN
Backface Corner Radius0.1250 INCHES NOMINAL IN
Overall Outside Diameter5.7500 INCHES NOMINAL IN
Bore Diameter3.0000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-100-0668659 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
MS19081-125 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
659-653 The Timken Corporation (USA)
FF-B-187/01 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
659-653 Federal-Mogul Corp Government Sales Dept (USA)
FFB187/01-577 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
3110-00-100-0668INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
659

Frequently Asked Questions

What is NSN 3110-00-100-4245?

NSN 3110-00-100-4245 is a Bearing,roller,tapered, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-100-4245?

NSN 3110-00-100-4245 has 5 cross-referenced part numbers: MS19081-125 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 659-653 (The Timken Corporation), FF-B-187/01 (Federal Specifications Promulgated by General Services Administration Washington DC), 659-653 (Federal-Mogul Corp Government Sales Dept), FFB187/01-577 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 3110-00-100-4245?

There is 1 known substitute for 3110-00-100-4245: 3110-00-100-0668. Verify interchangeability with system specifications before substitution.

What are the specifications of MS19081-125?

Key specifications for MS19081-125: Cone Corner Radius: 0.1400 INCHES NOMINAL IN; Cup Width: 1.2500 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Cone Width: 1.6250 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.
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