PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

310WBearing,ball,annular

Federal-Mogul Corp Government Sales Dept · NSN 3110-00-155-6850 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6850 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6850. Primary manufacturer part number: 310W.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL BALL
  • Material: STEEL OUTER RING
  • Material: STEEL INNER RING
  • Surface Finish: GROUND
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Bore Diameter: 50.00 MILLIMETERS NOMINAL MM
  • Outer Ring Width: 27.00 MILLIMETERS NOMINAL MM
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-6850, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-155-6850
Primary Part Number310W
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal-Mogul Corp Government Sales Dept
StatusACTIVE
MaterialSTEEL BALL
MaterialSTEEL OUTER RING
MaterialSTEEL INNER RING
Surface FinishGROUND
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore Diameter50.00 MILLIMETERS NOMINAL MM
Outer Ring Width27.00 MILLIMETERS NOMINAL MM
Load DirectionRADIAL
Internal Fit-Up DesignationSTANDARD
Standard Tolerance DesignationABEC NO.1
Inner Ring Width1.7500 INCHES NOMINAL IN
Overall Outside Diameter110.00 MILLIMETERS NOMINAL MM
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5930-00-056-8245172-3-10 INTERCHANGEABLE
Switch,push
Korry Electronics Co
3110-00-540-4656310 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
2530-00-773-5589217920 INTERCHANGEABLE
Adjuster Asy
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
WIR310K Timken Co Div the Timken Company (USA)
310W PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
6310WIRCE1TX9 PRIMARY Nsk Corp Bearing Div (USA)
4610 General Motors Corp Delco Moraine Ndh Div (USA)
172310 PRIMARY Skf Usa Inc. (USA)
4610 General Motors Corp (USA)
4610 General Motors Llc Dba General Motors Llc (USA)
I72310 PRIMARY Skf Usa Inc. (USA)
Related Parts
5930-00-056-8245INTERCHANGEABLE
SWITCH,PUSH
172-3-10
3110-00-540-4656INTERCHANGEABLE
BEARING,BALL,ANNULAR
310
2530-00-773-5589INTERCHANGEABLE
ADJUSTER ASY
217920

Frequently Asked Questions

What is NSN 3110-00-155-6850?

NSN 3110-00-155-6850 is a Bearing,ball,annular, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-155-6850?

NSN 3110-00-155-6850 has 8 cross-referenced part numbers: WIR310K (Timken Co Div the Timken Company), 310W (Federal-Mogul Corp Government Sales Dept), 6310WIRCE1TX9 (Nsk Corp Bearing Div), 4610 (General Motors Corp Delco Moraine Ndh Div), 172310 (Skf Usa Inc.) and 3 more.

What NSN replaces 3110-00-155-6850?

There are 3 known substitutes for 3110-00-155-6850: 5930-00-056-8245, 3110-00-540-4656, 2530-00-773-5589. Verify interchangeability with system specifications before substitution.

What are the specifications of 310W?

Key specifications for 310W: Material: STEEL BALL; Material: STEEL OUTER RING; Material: STEEL INNER RING; Surface Finish: GROUND. 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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