PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01-005248-229Bearing,ball,annular

Western Sky Industries Inc Dba Electromech Techologies · NSN 3110-00-987-3720 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-987-3720 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-987-3720. Primary manufacturer part number: 01-005248-229.
Features
  • Bearing,ball,annular — FSC 3110
  • Load Direction: RADIAL
  • Retainer Fabrication Method: PRESSED
  • Internal Fit-Up Designation: TIGHT
  • Bore Shape: STRAIGHT
  • Lubrication Material: GREASE
  • Lubrication Material Document and Classification: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
  • Surface Finish: GROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Retainer construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-987-3720, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Western Sky Industries Inc Dba Electromech Techologies. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 14 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
NSN3110-00-987-3720
Primary Part Number01-005248-229
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerWestern Sky Industries Inc Dba Electromech Techologies
StatusCANCELLED
Load DirectionRADIAL
Retainer Fabrication MethodPRESSED
Internal Fit-Up DesignationTIGHT
Bore ShapeSTRAIGHT
Lubrication MaterialGREASE
Lubrication Material Document and ClassificationMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
Surface FinishGROUND
Criticality Code JustificationZZZW
Departure From Cited DocumentANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE
MaterialSTEEL RETAINER
MaterialSTEEL BALL
MaterialSTEEL AND RUBBER SYNTHETIC SEAL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Nondefinitive Spec/std Data111 TYPE AND 8 CLASS
MaterialSTEEL LOADING GROOVE SIDE
Bore Diameter0.9841 INCHES MINIMUM AND 0.9843 INCHES MAXIMUM IN
Overall Outside Diameter2.4407 INCHES MINIMUM AND 2.4409 INCHES MAXIMUM IN
MaterialSTEEL INNER RING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-114-5997305PPFS381A INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
3110-00-237-5247 INTERCHANGEABLE
Bearing,ball,annular
3110-00-275-0117 INTERCHANGEABLE
Bearing,ball,annular
3110-00-922-8516307SZZNT3 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3110-00-987-3723416821-69-FH INTERCHANGEABLE
Bearing,ball,annular
The Jewish Community Center of Somerset, Hunterdon and Warren Counties, Inc.
3110-00-987-3729416821-69-FL INTERCHANGEABLE
Bearing,ball,annular
Abb Motors & Mechanical Inc
3110-00-987-3733 INTERCHANGEABLE
Bearing,ball,annular
3110-00-987-3744 INTERCHANGEABLE
Bearing,ball,annular
3110-00-991-0907 INTERCHANGEABLE
Bearing,ball,annular
3110-00-991-0920312SFFNT3 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
Cross-Reference Index
Part NumberManufacturer
2650-2230GP1 ITEM 50 Electric Boat Corp Dba Electro Dynamic (USA)
405850-102A Reliance Electric Company Dba Reliance & Dodge Brands (USA)
2650-1145PC19NT Naval Inventory Control Point Mechanicsburg (USA)
M17931-G022NT Naval Inventory Control Point Mechanicsburg (USA)
99605-7077V4 General Motors Corp Delco Moraine Ndh Div (USA)
2650-1045PC24 Electric Boat Corp Dba Electro Dynamic (USA)
801621-164 PC 2A Reliance Electric Company Dba Reliance & Dodge Brands (USA)
H-2650-1220GP18 ITEM 24NT Naval Inventory Control Point Mechanicsburg (USA)
2650-1220GP19 ITEM 24 Electric Boat Corp Dba Electro Dynamic (USA)
M17931-G022 Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
99605-7077NT Naval Inventory Control Point Mechanicsburg (USA)
6305DDUE100NT Naval Inventory Control Point Mechanicsburg (USA)
2650-1260PC20NT Naval Inventory Control Point Mechanicsburg (USA)
MILB17931CNT Naval Inventory Control Point Mechanicsburg (USA)
405850-102ANT Naval Inventory Control Point Mechanicsburg (USA)
99305-4ES100NTNT Naval Inventory Control Point Mechanicsburg (USA)
01-005248-229NT Naval Inventory Control Point Mechanicsburg (USA)
2650-1060PC24NT Naval Inventory Control Point Mechanicsburg (USA)
2650-1220PC24 Electric Boat Corp Dba Electro Dynamic (USA)
01-005248-229 PRIMARY Western Sky Industries Inc Dba Electromech Techologies (USA)
Related Parts
3110-00-114-5997INTERCHANGEABLE
BEARING,BALL,ANNULAR
305PPFS381A
3110-00-237-5247INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-275-0117INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-922-8516INTERCHANGEABLE
BEARING,BALL,ANNULAR
307SZZNT3
3110-00-987-3723INTERCHANGEABLE
BEARING,BALL,ANNULAR
416821-69-FH
3110-00-987-3729INTERCHANGEABLE
BEARING,BALL,ANNULAR
416821-69-FL
3110-00-987-3733INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-987-3744INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-991-0907INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-991-0920INTERCHANGEABLE
BEARING,BALL,ANNULAR
312SFFNT3
3110-00-991-0936INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-991-0942INTERCHANGEABLE
BEARING,BALL,ANNULAR
120X03533X4025

Frequently Asked Questions

What is NSN 3110-00-987-3720?

NSN 3110-00-987-3720 is a Bearing,ball,annular, manufactured by Western Sky Industries Inc Dba Electromech Techologies, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-987-3720?

NSN 3110-00-987-3720 has 50 cross-referenced part numbers: 2650-2230GP1 ITEM 50 (Electric Boat Corp Dba Electro Dynamic), 405850-102A (Reliance Electric Company Dba Reliance & Dodge Brands), 2650-1145PC19NT (Naval Inventory Control Point Mechanicsburg), M17931-G022NT (Naval Inventory Control Point Mechanicsburg), 99605-7077V4 (General Motors Corp Delco Moraine Ndh Div) and 45 more.

What NSN replaces 3110-00-987-3720?

There are 12 known substitutes for 3110-00-987-3720: 3110-00-114-5997, 3110-00-237-5247, 3110-00-275-0117 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 01-005248-229?

Key specifications for 01-005248-229: Load Direction: RADIAL; Retainer Fabrication Method: PRESSED; Internal Fit-Up Designation: TIGHT; Bore Shape: STRAIGHT. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-987-3720 still in active supply?

NSN 3110-00-987-3720 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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