PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30204Bearing,roller,tapered

The Timken Corporation · NSN 3110-01-139-6124 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-139-6124 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-139-6124. Primary manufacturer part number: 30204.
Features
  • Bearing,roller,tapered — FSC 3110
  • Bore Diameter: 20.00 MILLIMETERS NOMINAL MM
  • Material: STEEL OVERALL
  • Style Designator: STRAIGHT BORE, NORMAL ANGLE
  • Standout Width: 3.25 MILLIMETERS NOMINAL MM
  • Cone Width: 14.00 MILLIMETERS NOMINAL MM
  • Backface Corner Radius: 1.50 MILLIMETERS NOMINAL MM
  • Overall Outside Diameter: 47.00 MILLIMETERS NOMINAL MM
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 3110-01-139-6124, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-139-6124
Primary Part Number30204
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Bore Diameter20.00 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Standout Width3.25 MILLIMETERS NOMINAL MM
Cone Width14.00 MILLIMETERS NOMINAL MM
Backface Corner Radius1.50 MILLIMETERS NOMINAL MM
Overall Outside Diameter47.00 MILLIMETERS NOMINAL MM
Cup Width12.00 MILLIMETERS NOMINAL MM
Cone Corner Radius1.50 MILLIMETERS NOMINAL MM
Retainer Fabrication MethodPRESSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5975-00-114-9855252 INTERCHANGEABLE
Conduit Outlet
Hubbell-Raco Inc
3110-00-156-752238571 INTERCHANGEABLE
Bearing,ball,annular
Itw Food Equipment Group Llc Dba Hobart Service
5365-00-188-8279 INTERCHANGEABLE
Spacer,ring
3820-00-282-4941 INTERCHANGEABLE
Drill Rod,rock Drill
3120-00-288-5080KITE INTERCHANGEABLE
Bearing,sleeve
Goodrich Corporation
5930-00-435-950830-2010 INTERCHANGEABLE
Switch,sensitive
Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Illinois Tool Works
4810-00-926-782130204 INTERCHANGEABLE
Parts Kit,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
3110-01-136-538330206 INTERCHANGEABLE
Bearing,roller,tapered
Federal-Mogul Corp Government Sales Dept
4810-01-260-1983 INTERCHANGEABLE
Valve,solenoid
5950-01-361-0120654932-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
30204 Federal-Mogul Corp Government Sales Dept (USA)
D27Z1216-A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
30204 PRIMARY The Timken Corporation (USA)
Related Parts
5975-00-114-9855INTERCHANGEABLE
CONDUIT OUTLET
252
3110-00-156-7522INTERCHANGEABLE
BEARING,BALL,ANNULAR
38571
5365-00-188-8279INTERCHANGEABLE
SPACER,RING
3820-00-282-4941INTERCHANGEABLE
DRILL ROD,ROCK DRILL
3120-00-288-5080INTERCHANGEABLE
BEARING,SLEEVE
KITE
5930-00-435-9508INTERCHANGEABLE
SWITCH,SENSITIVE
30-2010
4810-00-926-7821INTERCHANGEABLE
PARTS KIT,VALVE
30204
3110-01-136-5383INTERCHANGEABLE
BEARING,ROLLER,TAPERED
30206
4810-01-260-1983INTERCHANGEABLE
VALVE,SOLENOID
5950-01-361-0120INTERCHANGEABLE
TRANSFORMER,POWER
654932-1
4820-01-419-6930INTERCHANGEABLE
RETAINER,DISK,VALVE
30204
3120-01-528-0635INTERCHANGEABLE
BEARING,SLEEVE

Frequently Asked Questions

What is NSN 3110-01-139-6124?

NSN 3110-01-139-6124 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 3110-01-139-6124?

NSN 3110-01-139-6124 has 3 cross-referenced part numbers: 30204 (Federal-Mogul Corp Government Sales Dept), D27Z1216-A (Ford Motor Co Ford Parts and Service Div Government Part Sales), 30204 (The Timken Corporation).

What NSN replaces 3110-01-139-6124?

There are 12 known substitutes for 3110-01-139-6124: 5975-00-114-9855, 3110-00-156-7522, 5365-00-188-8279 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30204?

Key specifications for 30204: Special Features: TOLERANCES CONFORM TO ISO STANDARD H; Bore Diameter: 20.00 MILLIMETERS NOMINAL MM; Material: STEEL OVERALL; Style Designator: STRAIGHT BORE, NORMAL ANGLE. 12 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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