PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

245044Bearing,ball,annular

Eaton Aerospace, Llc Dba Jackson South · NSN 3110-00-087-8278 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-087-8278 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-087-8278. Primary manufacturer part number: 245044.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Bore Shape: STRAIGHT
  • Overall Outside Diameter: 100.00 MILLIMETERS NOMINAL MM
  • Material: COPPER ALLOY RETAINER
  • Material: STEEL INNER RING
  • Material: STEEL BALL
  • Bore Diameter: 45.00 MILLIMETERS NOMINAL MM
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Retainer construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-087-8278, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-087-8278
Primary Part Number245044
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Surface FinishGROUND
Bore ShapeSTRAIGHT
Overall Outside Diameter100.00 MILLIMETERS NOMINAL MM
MaterialCOPPER ALLOY RETAINER
MaterialSTEEL INNER RING
MaterialSTEEL BALL
Bore Diameter45.00 MILLIMETERS NOMINAL MM
MaterialSTEEL OUTER RING
Contact Angle25.0 DEGREES MINIMUM
Load DirectionANGULAR
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
Standard Tolerance DesignationABEC NO.1
Features ProvidedALIGNING RING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-133-6576245044 INTERCHANGEABLE
Bearing,ball,annular
Eaton Aerospace, Llc Dba Jackson South
5305-00-984-4984MS35206-227 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-01-275-0341 INTERCHANGEABLE
Pin,straight,headed
4710-01-416-1560245044 INTERCHANGEABLE
Tube Assembly,metal
Clark Material Handling Company
7240-01-612-4302055-050-06-01 INTERCHANGEABLE
Pail,utility
Lyric Optical Company, Inc. Div Lyric Optical Dba Super Optical International
Cross-Reference Index
Part NumberManufacturer
245044 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
3110-00-133-6576INTERCHANGEABLE
BEARING,BALL,ANNULAR
245044
5305-00-984-4984INTERCHANGEABLE
SCREW,MACHINE
MS35206-227
5315-01-275-0341INTERCHANGEABLE
PIN,STRAIGHT,HEADED
4710-01-416-1560INTERCHANGEABLE
TUBE ASSEMBLY,METAL
245044
7240-01-612-4302INTERCHANGEABLE
PAIL,UTILITY
055-050-06-01

Frequently Asked Questions

What is NSN 3110-00-087-8278?

NSN 3110-00-087-8278 is a Bearing,ball,annular, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-087-8278?

NSN 3110-00-087-8278 has 1 cross-referenced part number: 245044 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 3110-00-087-8278?

There are 5 known substitutes for 3110-00-087-8278: 3110-00-133-6576, 5305-00-984-4984, 5315-01-275-0341 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 245044?

Key specifications for 245044: Surface Finish: GROUND; Bore Shape: STRAIGHT; Overall Outside Diameter: 100.00 MILLIMETERS NOMINAL MM; Material: COPPER ALLOY RETAINER. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com