PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A13777ABearing,roller,tapered

The Timken Corporation · NSN 3110-00-100-3878 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-3878 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-3878. Primary manufacturer part number: A13777A.
Features
  • Bearing,roller,tapered — FSC 3110
  • Backface Corner Radius: 0.0460 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Style Designator: STRAIGHT BORE, NORMAL ANGLE
  • Overall Outside Diameter: 3.5000 INCHES NOMINAL IN
  • Standout Width: 0.1624 INCHES NOMINAL IN
  • Cup Width: 0.6501 INCHES NOMINAL IN
  • Cone Width: 0.8750 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 3110-00-100-3878, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 9 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
NSN3110-00-100-3878
Primary Part NumberA13777A
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
Backface Corner Radius0.0460 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Overall Outside Diameter3.5000 INCHES NOMINAL IN
Standout Width0.1624 INCHES NOMINAL IN
Cup Width0.6501 INCHES NOMINAL IN
Cone Width0.8750 INCHES NOMINAL IN
Cone Corner Radius0.0620 INCHES NOMINAL IN
Bore Diameter2.0000 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3110-00-100-0719 INTERCHANGEABLE
Cone and Rollers,tapered Roller
3110-00-100-5920 INTERCHANGEABLE
Bearing,roller,tapered
3110-00-289-6633 INTERCHANGEABLE
Bearing,roller,tapered
3439-01-628-9004220842 INTERCHANGEABLE
Electrode,welding
Hypertherm Inc
Cross-Reference Index
Part NumberManufacturer
A13777A The Timken Corporation (USA)
S16003A Cummins Inc. (USA)
368-362A The Timken Corporation (USA)
220842 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
368-362A Federal-Mogul Corp Government Sales Dept (USA)
K7003378P1 General Electric Company (USA)
L609 Gravely International Inc (USA)
3110PL0882893 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5050G3053 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
AA59649-335 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)
A-A-59649A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FFB187/01-335 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
3110-00-100-0719INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3110-00-100-5920INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-289-6633INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3439-01-628-9004INTERCHANGEABLE
ELECTRODE,WELDING
220842

Frequently Asked Questions

What is NSN 3110-00-100-3878?

NSN 3110-00-100-3878 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-100-3878?

NSN 3110-00-100-3878 has 13 cross-referenced part numbers: A13777A (The Timken Corporation), S16003A (Cummins Inc.), 368-362A (The Timken Corporation), 220842 (Hyster-Yale Group, Inc. Dba Yale Materials Handling), 368-362A (Federal-Mogul Corp Government Sales Dept) and 8 more.

What NSN replaces 3110-00-100-3878?

There are 4 known substitutes for 3110-00-100-3878: 3110-00-100-0719, 3110-00-100-5920, 3110-00-289-6633 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A13777A?

Key specifications for A13777A: Backface Corner Radius: 0.0460 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Outside Diameter: 3.5000 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-3878 still in active supply?

NSN 3110-00-100-3878 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.
PartsTable Design LLC · partstable.com