PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

366-363Bearing,roller,tapered

The Timken Corporation · NSN 3110-00-100-3877 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-3877 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-3877. Primary manufacturer part number: 366-363.
Features
  • Bearing,roller,tapered — FSC 3110
  • Cone Width: 0.8750 INCHES NOMINAL IN
  • Cup Width: 0.7874 INCHES NOMINAL IN
  • Cone Corner Radius: 0.0930 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Backface Corner Radius: 0.0310 INCHES NOMINAL IN
  • Bore Diameter: 1.9685 INCHES NOMINAL IN
  • Material: STEEL OVERALL
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 3110-00-100-3877, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-100-3877
Primary Part Number366-363
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Cone Width0.8750 INCHES NOMINAL IN
Cup Width0.7874 INCHES NOMINAL IN
Cone Corner Radius0.0930 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Backface Corner Radius0.0310 INCHES NOMINAL IN
Bore Diameter1.9685 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Overall Outside Diameter3.5433 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5133-00-189-9262 INTERCHANGEABLE
Drill,twist
4730-01-179-986411425 INTERCHANGEABLE
Tee,pipe
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
Cross-Reference Index
Part NumberManufacturer
366-363 Smiths John E and Sons Co (USA)
217D25 Smiths John E and Sons Co (USA)
366-363 PRIMARY The Timken Corporation (USA)
114-25 Smiths John E and Sons Co (USA)
Related Parts
5133-00-189-9262INTERCHANGEABLE
DRILL,TWIST
4730-01-179-9864INTERCHANGEABLE
TEE,PIPE
11425

Frequently Asked Questions

What is NSN 3110-00-100-3877?

NSN 3110-00-100-3877 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-100-3877?

NSN 3110-00-100-3877 has 4 cross-referenced part numbers: 366-363 (Smiths John E and Sons Co), 217D25 (Smiths John E and Sons Co), 366-363 (The Timken Corporation), 114-25 (Smiths John E and Sons Co).

What NSN replaces 3110-00-100-3877?

There are 2 known substitutes for 3110-00-100-3877: 5133-00-189-9262, 4730-01-179-9864. Verify interchangeability with system specifications before substitution.

What are the specifications of 366-363?

Key specifications for 366-363: Cone Width: 0.8750 INCHES NOMINAL IN; Cup Width: 0.7874 INCHES NOMINAL IN; Cone Corner Radius: 0.0930 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2. 10 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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