PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21439-114Bearing,roller,needle

Sae International Dba Sae International · NSN 3110-01-217-2843 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-217-2843 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-217-2843. Primary manufacturer part number: MS21439-114.
Features
  • Bearing,roller,needle — FSC 3110
  • Bore Diameter: 0.8750 INCHES NOMINAL IN
  • Alignment Type: RIGID
  • Outer Ring Width: 1.9400 INCHES NOMINAL IN
  • Seal Quantity: 2
  • Bearing Seal Type: CONTACT
  • Inner Ring Width: 2.0000 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME NEEDLE BEARINGS
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 4615 or Steel Comp 4617 or Steel Comp 4620 or Steel Comp 8620 or Steel Comp E50100 or Steel Comp E52100 or Steel Comp E51100 Outer Ring construction
General Description

The Bearing,roller,needle, cataloged under National Stock Number 3110-01-217-2843, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, 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
NSN3110-01-217-2843
Primary Part NumberMS21439-114
Item NameBearing,roller,needle
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Bore Diameter0.8750 INCHES NOMINAL IN
Alignment TypeRIGID
Outer Ring Width1.9400 INCHES NOMINAL IN
Seal Quantity2
Bearing Seal TypeCONTACT
Inner Ring Width2.0000 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR AIRFRAME NEEDLE BEARINGS
Lubrication MaterialGREASE
MaterialSTEEL COMP 4615 OR STEEL COMP 4617 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E50100 OR STEEL COMP E52100 OR STEEL COMP E51100 OUTER RING
MaterialSTEEL COMP 4615 OR STEEL COMP 4617 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E50100 OR STEEL COMP E52100 OR STEEL COMP E51100 END PLATE
Surface TreatmentCADMIUM OR OXIDE INNER RING
Surface TreatmentCADMIUM END PLATE
Surface TreatmentCHROMIUM OUTER RING
MaterialSTEEL COMP 4615 OR STEEL COMP 4617 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E50100 OR STEEL COMP E52100 OR STEEL COMP E51100 INNER RING
MaterialSTEEL COMP 4615 OR STEEL COMP 4617 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E50100 OR STEEL COMP E52100 OR STEEL COMP E51100 ROLLER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-01-138-7272MS21439-124 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-01-217-2326MS21439-106 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-01-217-2327MS21439-110 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-01-338-2755MS21439-108 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-01-675-9506MS21439-116 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS21439-114 Society of Automotive Engineers Inc (USA)
AS21439 Sae International Dba Sae International (USA)
MS21439-114 PRIMARY Sae International Dba Sae International (USA)
MS21439-114 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS21439 Society of Automotive Engineers Inc (USA)
Related Parts
3110-01-138-7272INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-124
3110-01-217-2326INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-106
3110-01-217-2327INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-110
3110-01-338-2755INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-108
3110-01-675-9506INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-116

Frequently Asked Questions

What is NSN 3110-01-217-2843?

NSN 3110-01-217-2843 is a Bearing,roller,needle, manufactured by Sae International Dba Sae International, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-217-2843?

NSN 3110-01-217-2843 has 5 cross-referenced part numbers: MS21439-114 (Society of Automotive Engineers Inc), AS21439 (Sae International Dba Sae International), MS21439-114 (Sae International Dba Sae International), MS21439-114 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AS21439 (Society of Automotive Engineers Inc).

What NSN replaces 3110-01-217-2843?

There are 5 known substitutes for 3110-01-217-2843: 3110-01-138-7272, 3110-01-217-2326, 3110-01-217-2327 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21439-114?

Key specifications for MS21439-114: Bore Diameter: 0.8750 INCHES NOMINAL IN; Alignment Type: RIGID; Outer Ring Width: 1.9400 INCHES NOMINAL IN; Seal Quantity: 2. 16 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