PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS7Bearing,ball,annular

Fag Bearings Corporation · NSN 3110-00-155-8439 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-8439 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-8439. Primary manufacturer part number: MS7.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL OVERALL
  • Internal Fit-Up Designation: STANDARD
  • Surface Finish: GROUND
  • Nondefinitive Spec/std Data: 115 TYPE AND 00 GRADE
  • Material: STEEL OVERALL
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-8439, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Fag Bearings Corporation. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-155-8439
Primary Part NumberMS7
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFag Bearings Corporation
StatusCANCELLED
MaterialSTEEL OVERALL
Internal Fit-Up DesignationSTANDARD
Surface FinishGROUND
Nondefinitive Spec/std Data115 TYPE AND 00 GRADE
MaterialSTEEL OVERALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore ShapeSTRAIGHT
Nondefinitive Spec/std Data115 TYPE AND 00 GRADE
Bore ShapeSTRAIGHT
Load DirectionRADIAL
Load DirectionRADIAL
Standard Tolerance DesignationABEC NO.1
Internal Fit-Up DesignationSTANDARD
Standard Tolerance DesignationABEC NO.1
Overall Outside Diameter1.8122 INCHES NOMINAL IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore Diameter0.6250 INCHES NOMINAL IN
Retainer Fabrication MethodPRESSED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5120-00-249-9670 INTERCHANGEABLE
Key,socket Head Screw
3110-00-540-4580102668-617 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5940-01-021-1844MS7 INTERCHANGEABLE
Terminal,quick Disconnect
Datel, Inc.
5120-01-367-3241MS7A INTERCHANGEABLE
Key,socket Head Screw
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
MS7 PRIMARY Fag Bearings Corporation (USA)
MS7 PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS7F4 PRIMARY Fag Bearings Corporation (USA)
RMS5 PRIMARY Skf Usa Inc. (USA)
MS7-320002-1 PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
Related Parts
5120-00-249-9670INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
3110-00-540-4580INTERCHANGEABLE
BEARING,BALL,ANNULAR
102668-617
5940-01-021-1844INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
MS7
5120-01-367-3241INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
MS7A

Frequently Asked Questions

What is NSN 3110-00-155-8439?

NSN 3110-00-155-8439 is a Bearing,ball,annular, manufactured by Fag Bearings Corporation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-155-8439?

NSN 3110-00-155-8439 has 6 cross-referenced part numbers: MS7 (Fag Bearings Corporation), MS7 (Schatz Bearing Corporation Dba Schatz Bearing Corp), FFB171 (Federal Specifications Promulgated by General Services Administration Washington DC), MS7F4 (Fag Bearings Corporation), RMS5 (Skf Usa Inc.) and 1 more.

What NSN replaces 3110-00-155-8439?

There are 4 known substitutes for 3110-00-155-8439: 5120-00-249-9670, 3110-00-540-4580, 5940-01-021-1844 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS7?

Key specifications for MS7: Material: STEEL OVERALL; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Nondefinitive Spec/std Data: 115 TYPE AND 00 GRADE. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-155-8439 still in active supply?

NSN 3110-00-155-8439 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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