PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

385-383ABearing,roller,tapered

The Timken Corporation · NSN 3110-00-100-3891 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-3891 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-3891. Primary manufacturer part number: 385-383A.
Features
  • Bearing,roller,tapered — FSC 3110
  • Cone Width: 0.8640 INCHES NOMINAL IN
  • Bore Diameter: 2.1653 INCHES NOMINAL IN
  • Backface Corner Radius: 0.0780 INCHES NOMINAL IN
  • Cone Corner Radius: 0.0930 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Style Designator: STRAIGHT BORE, NORMAL ANGLE
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 3110-00-100-3891, 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 23 commercial cross-references from 19 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-100-3891
Primary Part Number385-383A
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
Cone Width0.8640 INCHES NOMINAL IN
Bore Diameter2.1653 INCHES NOMINAL IN
Backface Corner Radius0.0780 INCHES NOMINAL IN
Cone Corner Radius0.0930 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Standard Tolerance DesignationAFBMA CLASS 2
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Standout Width0.1250 INCHES NOMINAL IN
Overall Outside Diameter3.9370 INCHES NOMINAL IN
Cup Width0.7018 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5998-00-152-8113M205-00 INTERCHANGEABLE
Circuit Card Assembly
Compaq Federal Llc
5960-00-188-0938 INTERCHANGEABLE
Electron Tube
3455-00-293-0512 INTERCHANGEABLE
Cutter,milling,metal Slitting
2910-00-315-0247383A INTERCHANGEABLE
Cap,filler Opening
Protectoseal Co Container Div
5305-00-423-95925B425 INTERCHANGEABLE
Screw,machine
Caterpillar Inc Div Caterpillar Defense
6625-00-426-0056383A INTERCHANGEABLE
Test Set,electrical Cable
Simpson Electric Company, Inc.
5930-00-539-7147011-7021 INTERCHANGEABLE
Switch,thermostatic
Contraves Inc
5930-00-548-8934 INTERCHANGEABLE
Switch,thermostatic
3110-00-554-3250102668-624 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-00-882-9956C681551-4 INTERCHANGEABLE
Outlet,pipe
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
M205 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
UTDM205 Dresser, Llc (USA)
703234 Army Weapons Command Attn Amswe-Ree-S (USA)
M205 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
K2441 Amca Intl Corp Insley Mfg Corp Div (USA)
385-383A PRIMARY The Timken Corporation (USA)
383A385 The Timken Corporation (USA)
64AX115 Mack Trucks Inc (USA)
3110001000303 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
M205 Dresser/marion Div (USA)
383A Tyson Bearing Co Div Skf Industries Inc (USA)
G10415 Cnh Industrial America Llc Dba Cnh America (USA)
M205 Koehring Co Lorain Div (USA)
383A Rbc Bearings Incorporated Div West Trenton Division (USA)
21TD687 Oshkosh Corp (USA)
602178 Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
M205 Lenard Packaging Co Inc the (USA)
F5977 Harsco Corp Fairmont Railway Motors Div (USA)
383A The Timken Corporation (USA)
BT383A Federal-Mogul Corp Government Sales Dept (USA)
Related Parts
5998-00-152-8113INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
M205-00
5960-00-188-0938INTERCHANGEABLE
ELECTRON TUBE
3455-00-293-0512INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
2910-00-315-0247INTERCHANGEABLE
CAP,FILLER OPENING
383A
5305-00-423-9592INTERCHANGEABLE
SCREW,MACHINE
5B425
6625-00-426-0056INTERCHANGEABLE
TEST SET,ELECTRICAL CABLE
383A
5930-00-539-7147INTERCHANGEABLE
SWITCH,THERMOSTATIC
011-7021
5930-00-548-8934INTERCHANGEABLE
SWITCH,THERMOSTATIC
3110-00-554-3250INTERCHANGEABLE
BEARING,BALL,ANNULAR
102668-624
4730-00-882-9956INTERCHANGEABLE
OUTLET,PIPE
C681551-4
5935-01-074-2128INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
383A
5985-01-205-2045INTERCHANGEABLE
DIPLEXER
1064AS198

Frequently Asked Questions

What is NSN 3110-00-100-3891?

NSN 3110-00-100-3891 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 3110-00-100-3891?

NSN 3110-00-100-3891 has 23 cross-referenced part numbers: M205 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), UTDM205 (Dresser, Llc), 703234 (Army Weapons Command Attn Amswe-Ree-S), M205 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co), K2441 (Amca Intl Corp Insley Mfg Corp Div) and 18 more.

What NSN replaces 3110-00-100-3891?

There are 12 known substitutes for 3110-00-100-3891: 5998-00-152-8113, 5960-00-188-0938, 3455-00-293-0512 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 385-383A?

Key specifications for 385-383A: Cone Width: 0.8640 INCHES NOMINAL IN; Bore Diameter: 2.1653 INCHES NOMINAL IN; Backface Corner Radius: 0.0780 INCHES NOMINAL IN; Cone Corner Radius: 0.0930 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-3891 still in active supply?

NSN 3110-00-100-3891 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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