PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2500-9ITEM25NTBearing,ball,annular

Naval Inventory Control Point Mechanicsburg · NSN 3110-00-987-3732 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-987-3732 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-987-3732. Primary manufacturer part number: 2500-9ITEM25NT.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 2.1652 INCHES MINIMUM AND 2.1654 INCHES MAXIMUM IN
  • Overall Outside Diameter: 4.7242 INCHES MINIMUM AND 4.7244 INCHES MAXIMUM IN
  • Internal Fit-Up Designation: TIGHT
  • Retainer Fabrication Method: PRESSED
  • Bore Shape: STRAIGHT
  • Load Direction: RADIAL
  • Lubrication Material: GREASE
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 3110-00-987-3732, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-987-3732
Primary Part Number2500-9ITEM25NT
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusCANCELLED
Bore Diameter2.1652 INCHES MINIMUM AND 2.1654 INCHES MAXIMUM IN
Overall Outside Diameter4.7242 INCHES MINIMUM AND 4.7244 INCHES MAXIMUM IN
Internal Fit-Up DesignationTIGHT
Retainer Fabrication MethodPRESSED
Bore ShapeSTRAIGHT
Load DirectionRADIAL
Lubrication MaterialGREASE
Criticality Code JustificationZZZW
Lubrication Material Document and ClassificationMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
Shield Quantity1
Surface FinishGROUND
Departure From Cited DocumentANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data111 TYPE AND 2 CLASS
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-987-3733 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
2500-9ITEM25NT Naval Inventory Control Point Mechanicsburg (USA)
MILB17931NT Naval Inventory Control Point Mechanicsburg (USA)
6311ZE100NT Naval Inventory Control Point Mechanicsburg (USA)
6311W1BNT Naval Inventory Control Point Mechanicsburg (USA)
6311ZE100 Nsk Corp Bearing Div (USA)
D-364-4 PIECE 13 Electric Boat Corp Dba Electro Dynamic (USA)
311 General Motors Corp Delco Moraine Ndh Div (USA)
311SFNT3 Skf Usa Inc. (USA)
M17931-G052NT Naval Inventory Control Point Mechanicsburg (USA)
D-364-4 PIECE 13 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
904J870 PIECE 123NT Naval Inventory Control Point Mechanicsburg (USA)
M17931-G052 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
631ZW1BNT Naval Inventory Control Point Mechanicsburg (USA)
MILB17931 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2500-9ITEM25 Electric Boat Corp Dba Electro Dynamic (USA)
999999K155NT Naval Inventory Control Point Mechanicsburg (USA)
79999032NT Naval Inventory Control Point Mechanicsburg (USA)
6311ZW1B Skf Usa Inc. (USA)
999999K155 Naval Ship Systems Command (USA)
631ZW1B Skf Usa Inc. (USA)
Related Parts
3110-00-987-3733INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-00-987-3732?

NSN 3110-00-987-3732 is a Bearing,ball,annular, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-987-3732?

NSN 3110-00-987-3732 has 31 cross-referenced part numbers: 2500-9ITEM25NT (Naval Inventory Control Point Mechanicsburg), MILB17931NT (Naval Inventory Control Point Mechanicsburg), 6311ZE100NT (Naval Inventory Control Point Mechanicsburg), 6311W1BNT (Naval Inventory Control Point Mechanicsburg), 6311ZE100 (Nsk Corp Bearing Div) and 26 more.

What NSN replaces 3110-00-987-3732?

There is 1 known substitute for 3110-00-987-3732: 3110-00-987-3733. Verify interchangeability with system specifications before substitution.

What are the specifications of 2500-9ITEM25NT?

Key specifications for 2500-9ITEM25NT: Bore Diameter: 2.1652 INCHES MINIMUM AND 2.1654 INCHES MAXIMUM IN; Overall Outside Diameter: 4.7242 INCHES MINIMUM AND 4.7244 INCHES MAXIMUM IN; Internal Fit-Up Designation: TIGHT; Retainer Fabrication Method: PRESSED. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-987-3732 still in active supply?

NSN 3110-00-987-3732 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