PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30304Bearing,roller,tapered

The Timken Corporation · NSN 3110-01-195-6626 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-195-6626 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-195-6626. Primary manufacturer part number: 30304.
Features
  • Bearing,roller,tapered — FSC 3110
  • Cone Corner Radius: 2.0 MILLIMETERS MAXIMUM MM
  • Overall Outside Diameter: 52.0 MILLIMETERS MAXIMUM MM
  • Bore Diameter: 20.0 MILLIMETERS NOMINAL MM
  • Standout Width: 3.25 MILLIMETERS NOMINAL MM
  • Material: STEEL OVERALL
  • Cone Width: 15.0 MILLIMETERS MAXIMUM MM
  • Standard Tolerance Designation: INTERNATIONAL STANDARDS ORGANIZATION STANDARD TOLERANCE
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 3110-01-195-6626, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN3110-01-195-6626
Primary Part Number30304
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Cone Corner Radius2.0 MILLIMETERS MAXIMUM MM
Overall Outside Diameter52.0 MILLIMETERS MAXIMUM MM
Bore Diameter20.0 MILLIMETERS NOMINAL MM
Standout Width3.25 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Cone Width15.0 MILLIMETERS MAXIMUM MM
Standard Tolerance DesignationINTERNATIONAL STANDARDS ORGANIZATION STANDARD TOLERANCE
Backface Corner Radius2.0 MILLIMETERS MAXIMUM MM
Retainer Fabrication MethodPRESSED
Cup Width13.0 MILLIMETERS NOMINAL MM
Alignment TypeRIGID
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-089-9502 INTERCHANGEABLE
Spring,helical,torsion
6350-00-125-3329MD115VACSL INTERCHANGEABLE
Buzzer
Essex Products Group, Inc. Dba Industrial Timer Company
3110-00-156-7526 INTERCHANGEABLE
Bearing,ball,annular
3010-00-160-8862 INTERCHANGEABLE
Pressure Plate Assembly,clutch
3120-00-341-6935 INTERCHANGEABLE
Bearing,sleeve
1560-00-436-7598 INTERCHANGEABLE
Tank,fuel,aircraft
5940-00-686-8816 INTERCHANGEABLE
Terminal,stud
5340-01-025-655130304 INTERCHANGEABLE
Plunger,quick Release
Jergens Inc Div Tooling Components Division
3230-01-221-312600201 INTERCHANGEABLE
Bit,router
Dml Industrial Products Sub of Vermont American Corp Forest City Tool Div
3455-01-308-569330304 INTERCHANGEABLE
Cutter,milling,end
Johnson Carbide Products Inc
Cross-Reference Index
Part NumberManufacturer
30304 PRIMARY The Timken Corporation (USA)
4T-30304A PRIMARY Ntn Bearing Corporation of America (USA)
FF-B-187 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
30304 PRIMARY Skf Usa Inc. (USA)
RW1/820358 PIECE 23 Ozalid Engineering Ltd (GBR)
Related Parts
5360-00-089-9502INTERCHANGEABLE
SPRING,HELICAL,TORSION
6350-00-125-3329INTERCHANGEABLE
BUZZER
MD115VACSL
3110-00-156-7526INTERCHANGEABLE
BEARING,BALL,ANNULAR
3010-00-160-8862INTERCHANGEABLE
PRESSURE PLATE ASSEMBLY,CLUTCH
3120-00-341-6935INTERCHANGEABLE
BEARING,SLEEVE
1560-00-436-7598INTERCHANGEABLE
TANK,FUEL,AIRCRAFT
5940-00-686-8816INTERCHANGEABLE
TERMINAL,STUD
5340-01-025-6551INTERCHANGEABLE
PLUNGER,QUICK RELEASE
30304
3230-01-221-3126INTERCHANGEABLE
BIT,ROUTER
00201
3455-01-308-5693INTERCHANGEABLE
CUTTER,MILLING,END
30304
6545-01-600-8851INTERCHANGEABLE
OPERATOR KIT,MODULAR 11 STCCC
UA 9008
6510-01-640-7857INTERCHANGEABLE
COMPRESS AND BANDAGE
FIN-0004-01

Frequently Asked Questions

What is NSN 3110-01-195-6626?

NSN 3110-01-195-6626 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 3110-01-195-6626?

NSN 3110-01-195-6626 has 5 cross-referenced part numbers: 30304 (The Timken Corporation), 4T-30304A (Ntn Bearing Corporation of America), FF-B-187 (Federal Specifications Promulgated by General Services Administration Washington DC), 30304 (Skf Usa Inc.), RW1/820358 PIECE 23 (Ozalid Engineering Ltd).

What NSN replaces 3110-01-195-6626?

There are 12 known substitutes for 3110-01-195-6626: 5360-00-089-9502, 6350-00-125-3329, 3110-00-156-7526 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30304?

Key specifications for 30304: Cone Corner Radius: 2.0 MILLIMETERS MAXIMUM MM; Overall Outside Diameter: 52.0 MILLIMETERS MAXIMUM MM; Bore Diameter: 20.0 MILLIMETERS NOMINAL MM; Standout Width: 3.25 MILLIMETERS NOMINAL MM. 13 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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