PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

269871Bearing,roller,cylindrical

Eaton Aerospace, Llc Dba Jackson South · NSN 3110-00-941-1278 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-941-1278 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-941-1278. Primary manufacturer part number: 269871.
Features
  • Bearing,roller,cylindrical — FSC 3110
  • Locating Feature: ONE DIRECTION
  • Overall Outside Diameter: 52.0 MILLIMETERS NOMINAL MM
  • Bore Shape: STRAIGHT
  • Internal Clearance: 0.0010 INCHES MINIMUM RADIAL AND 0.0020 INCHES MAXIMUM RADIAL IN
  • Retainer Fabrication Method: MACHINED
  • Material: COPPER ALLOY RETAINER
  • Style Designator: SINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, ONE LIP OUTER RING, SEPARABLE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Retainer construction
General Description

The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-941-1278, 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 10 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-941-1278
Primary Part Number269871
Item NameBearing,roller,cylindrical
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Locating FeatureONE DIRECTION
Overall Outside Diameter52.0 MILLIMETERS NOMINAL MM
Bore ShapeSTRAIGHT
Internal Clearance0.0010 INCHES MINIMUM RADIAL AND 0.0020 INCHES MAXIMUM RADIAL IN
Retainer Fabrication MethodMACHINED
MaterialCOPPER ALLOY RETAINER
Style DesignatorSINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, ONE LIP OUTER RING, SEPARABLE
Surface FinishGROUND
Bore Diameter25.0 MILLIMETERS NOMINAL MM
Standard Tolerance DesignationRBEC NO.1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5815-00-050-0161 INTERCHANGEABLE
Teletypewriter Subassembly
4140-00-057-7298KP529A INTERCHANGEABLE
Fan,centrifugal
Kooltronic, Inc.
Cross-Reference Index
Part NumberManufacturer
269871 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5815-00-050-0161INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
4140-00-057-7298INTERCHANGEABLE
FAN,CENTRIFUGAL
KP529A

Frequently Asked Questions

What is NSN 3110-00-941-1278?

NSN 3110-00-941-1278 is a Bearing,roller,cylindrical, 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 3110-00-941-1278?

NSN 3110-00-941-1278 has 1 cross-referenced part number: 269871 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 3110-00-941-1278?

There are 2 known substitutes for 3110-00-941-1278: 5815-00-050-0161, 4140-00-057-7298. Verify interchangeability with system specifications before substitution.

What are the specifications of 269871?

Key specifications for 269871: Locating Feature: ONE DIRECTION; Overall Outside Diameter: 52.0 MILLIMETERS NOMINAL MM; Bore Shape: STRAIGHT; Internal Clearance: 0.0010 INCHES MINIMUM RADIAL AND 0.0020 INCHES MAXIMUM RADIAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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