PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

304BBearing,ball,annular

Skf Usa Inc. · NSN 3110-00-156-5199 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-5199 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-5199. Primary manufacturer part number: 304B.
Features
  • Bearing,ball,annular — FSC 3110
  • Internal Fit-Up Designation: STANDARD
  • Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE
  • Material: STEEL OUTER RING
  • Material: STEEL INNER RING
  • Material: STEEL BALL
  • Overall Outside Diameter: 52.00 MILLIMETERS NOMINAL MM
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-5199, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-156-5199
Primary Part Number304B
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusCANCELLED
Internal Fit-Up DesignationSTANDARD
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
MaterialSTEEL OUTER RING
MaterialSTEEL INNER RING
MaterialSTEEL BALL
Overall Outside Diameter52.00 MILLIMETERS NOMINAL MM
Bore ShapeSTRAIGHT
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.1
Bore Diameter20.00 MILLIMETERS NOMINAL MM
Load DirectionRADIAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4310-00-035-7520304B INTERCHANGEABLE
Reed Strip,valve
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
6240-00-155-7805304R INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5905-00-189-7998813186-76 INTERCHANGEABLE
Resistor,fixed,composition
Lockheed Martin Corporation Div Rms - Mitchel Field
5935-00-192-4787GB542 INTERCHANGEABLE
Plug,telephone
Kellogg Company Div Kellogg's Food Away From Home
5355-00-346-3638MS91528-3O4B INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5975-00-350-8141717612-6 INTERCHANGEABLE
Mounting Base,tie Down,electrica
Nmc Group, Inc.
5905-00-502-8204 INTERCHANGEABLE
Resistor Set,matched
1720-00-566-1389304R INTERCHANGEABLE
Tube
Ametek Inc Schutte and Koerting Div
6130-00-583-9090 INTERCHANGEABLE
Rectifier,metallic
5905-00-666-0781 INTERCHANGEABLE
Resistor,thermal
Cross-Reference Index
Part NumberManufacturer
304B PRIMARY Skf Usa Inc. (USA)
304R PRIMARY Skf Usa Inc. (USA)
10250059-2 PRIMARY Us Army Aviation and Missile Command (USA)
TC105 Ingersoll Rand Co (USA)
Related Parts
4310-00-035-7520INTERCHANGEABLE
REED STRIP,VALVE
304B
6240-00-155-7805INTERCHANGEABLE
LAMP,INCANDESCENT
304R
5905-00-189-7998INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
813186-76
5935-00-192-4787INTERCHANGEABLE
PLUG,TELEPHONE
GB542
5355-00-346-3638INTERCHANGEABLE
KNOB
MS91528-3O4B
5975-00-350-8141INTERCHANGEABLE
MOUNTING BASE,TIE DOWN,ELECTRICA
717612-6
5905-00-502-8204INTERCHANGEABLE
RESISTOR SET,MATCHED
1720-00-566-1389INTERCHANGEABLE
TUBE
304R
6130-00-583-9090INTERCHANGEABLE
RECTIFIER,METALLIC
5905-00-666-0781INTERCHANGEABLE
RESISTOR,THERMAL
5999-00-839-0528INTERCHANGEABLE
CLIP,ELECTRICAL
6680-00-981-7818INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY

Frequently Asked Questions

What is NSN 3110-00-156-5199?

NSN 3110-00-156-5199 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-156-5199?

NSN 3110-00-156-5199 has 4 cross-referenced part numbers: 304B (Skf Usa Inc.), 304R (Skf Usa Inc.), 10250059-2 (Us Army Aviation and Missile Command), TC105 (Ingersoll Rand Co).

What NSN replaces 3110-00-156-5199?

There are 12 known substitutes for 3110-00-156-5199: 4310-00-035-7520, 6240-00-155-7805, 5905-00-189-7998 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 304B?

Key specifications for 304B: Internal Fit-Up Designation: STANDARD; Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE; Material: STEEL OUTER RING; Material: STEEL INNER RING. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-156-5199 still in active supply?

NSN 3110-00-156-5199 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