PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M17931-G057Bearing,ball,annular

Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation · NSN 3110-00-987-3734 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-987-3734 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-987-3734. Primary manufacturer part number: M17931-G057.
Features
  • Bearing,ball,annular — FSC 3110
  • Nondefinitive Spec/std Data: 111 TYPE AND 1 CLASS
  • Lubrication Material: GREASE
  • Retainer Fabrication Method: PRESSED
  • Internal Fit-Up Designation: TIGHT
  • Lubrication Material Document and Classification: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
  • Surface Finish: GROUND
  • Load Direction: RADIAL
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 3110-00-987-3734, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-987-3734
Primary Part NumberM17931-G057
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSchaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
StatusCANCELLED
Nondefinitive Spec/std Data111 TYPE AND 1 CLASS
Lubrication MaterialGREASE
Retainer Fabrication MethodPRESSED
Internal Fit-Up DesignationTIGHT
Lubrication Material Document and ClassificationMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
Surface FinishGROUND
Load DirectionRADIAL
Criticality Code JustificationZZZW
Bore ShapeSTRAIGHT
Internal Clearance0.0007 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Departure From Cited DocumentANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE
MaterialSTEEL OVERALL
Bore Diameter2.3620 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM IN
Overall Outside Diameter5.1179 INCHES MINIMUM AND 5.1181 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3110-00-554-3265 INTERCHANGEABLE
Bearing,ball,annular
3110-00-987-3733 INTERCHANGEABLE
Bearing,ball,annular
2920-01-169-965412002083 INTERCHANGEABLE
Lead,ignition,engine
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
999999K157NT Naval Inventory Control Point Mechanicsburg (USA)
D-500-131 ITEM 54NT Naval Inventory Control Point Mechanicsburg (USA)
6312W1BNT Naval Inventory Control Point Mechanicsburg (USA)
ESB-050-10 Hansome Energy Systems Inc (USA)
312SNT3NT Naval Inventory Control Point Mechanicsburg (USA)
3505-19ITEM96 Ward Leonard Ct Llc (USA)
904J949PC19NT Naval Inventory Control Point Mechanicsburg (USA)
M17931-G057 PRIMARY Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
385P416G01NT Naval Inventory Control Point Mechanicsburg (USA)
ESB-050-10NT Naval Inventory Control Point Mechanicsburg (USA)
385P416G01 Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA)
416821-69-FNNT Naval Inventory Control Point Mechanicsburg (USA)
904J949PC19 Westinghouse Electric Corp General Control Div (USA)
6312E100 Nsk Corp Bearing Div (USA)
A-365-313 REV 2 ITEM NO. 33 Hansome Energy Systems Inc (USA)
801631-519 PC NO. 43A Reliance Electric Company Dba Reliance & Dodge Brands (USA)
3505-21ITEM38NT Naval Inventory Control Point Mechanicsburg (USA)
79999079 Electric Boat Corp Dba Electro Dynamic (USA)
374P357G01 Skf Usa Inc. (USA)
312K Timken Co Div the Timken Company (USA)
Related Parts
3110-00-554-3265INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-987-3733INTERCHANGEABLE
BEARING,BALL,ANNULAR
2920-01-169-9654INTERCHANGEABLE
LEAD,IGNITION,ENGINE
12002083

Frequently Asked Questions

What is NSN 3110-00-987-3734?

NSN 3110-00-987-3734 is a Bearing,ball,annular, manufactured by Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-987-3734?

NSN 3110-00-987-3734 has 50 cross-referenced part numbers: 999999K157NT (Naval Inventory Control Point Mechanicsburg), D-500-131 ITEM 54NT (Naval Inventory Control Point Mechanicsburg), 6312W1BNT (Naval Inventory Control Point Mechanicsburg), ESB-050-10 (Hansome Energy Systems Inc), 312SNT3NT (Naval Inventory Control Point Mechanicsburg) and 45 more.

What NSN replaces 3110-00-987-3734?

There are 3 known substitutes for 3110-00-987-3734: 3110-00-554-3265, 3110-00-987-3733, 2920-01-169-9654. Verify interchangeability with system specifications before substitution.

What are the specifications of M17931-G057?

Key specifications for M17931-G057: Nondefinitive Spec/std Data: 111 TYPE AND 1 CLASS; Lubrication Material: GREASE; Retainer Fabrication Method: PRESSED; Internal Fit-Up Designation: TIGHT. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-987-3734 still in active supply?

NSN 3110-00-987-3734 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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