PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E190052Bearing,roller,needle

Lockheed Martin Corporation Div Rotary and Mission Systems · NSN 3110-00-620-3261 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-620-3261 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-620-3261. Primary manufacturer part number: E190052.
Features
  • Bearing,roller,needle — FSC 3110
  • Style Designator: CAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE
  • Surface Treatment: CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
  • Inner Ring Width: 0.5000 INCHES NOMINAL IN
  • Lubrication Material: GREASE
  • Surface Finish: GROUND
  • Outer Ring Width: 0.3750 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,needle, cataloged under National Stock Number 3110-00-620-3261, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-620-3261
Primary Part NumberE190052
Item NameBearing,roller,needle
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rotary and Mission Systems
StatusACTIVE
Style DesignatorCAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE
Surface TreatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
Inner Ring Width0.5000 INCHES NOMINAL IN
Lubrication MaterialGREASE
Surface FinishGROUND
Outer Ring Width0.3750 INCHES NOMINAL IN
Alignment TypeRIGID
Lubrication Material Document and ClassificationDC33,FSCM 71984 MFR REF SINGLE MATERIAL RESPONSE
Bore Diameter0.3750 INCHES NOMINAL IN
Overall Outside Diameter1.0625 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-227-2800MS24461-4 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-00-227-2810 INTERCHANGEABLE
Bearing,roller,needle
3110-00-227-2824MS24465-14 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-00-227-2869MS24464-9 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-00-227-2876MS24464-32 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-00-503-5623MS24465-20 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-01-255-5040MS21442-161 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-01-338-2755MS21439-108 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
3110-01-358-7338MS21432-4FEE11G INTERCHANGEABLE
Cam Follower,needle Bearing
Sae International Dba Sae International
3110-01-444-9681MS21442-321 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
E190052 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
6NBF817YJXR Rbc Bearings Incorporated Div West Trenton Division (USA)
MS24465-06 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS39901 Society of Automotive Engineers Inc (USA)
AS39901 Sae International Dba Sae International (USA)
Related Parts
3110-00-227-2800INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS24461-4
3110-00-227-2810INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
3110-00-227-2824INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS24465-14
3110-00-227-2869INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS24464-9
3110-00-227-2876INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS24464-32
3110-00-503-5623INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS24465-20
3110-01-255-5040INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21442-161
3110-01-338-2755INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21439-108
3110-01-358-7338INTERCHANGEABLE
CAM FOLLOWER,NEEDLE BEARING
MS21432-4FEE11G
3110-01-444-9681INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS21442-321

Frequently Asked Questions

What is NSN 3110-00-620-3261?

NSN 3110-00-620-3261 is a Bearing,roller,needle, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-620-3261?

NSN 3110-00-620-3261 has 5 cross-referenced part numbers: E190052 (Lockheed Martin Corporation Div Rotary and Mission Systems), 6NBF817YJXR (Rbc Bearings Incorporated Div West Trenton Division), MS24465-06 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AS39901 (Society of Automotive Engineers Inc), AS39901 (Sae International Dba Sae International).

What NSN replaces 3110-00-620-3261?

There are 10 known substitutes for 3110-00-620-3261: 3110-00-227-2800, 3110-00-227-2810, 3110-00-227-2824 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E190052?

Key specifications for E190052: Style Designator: CAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE; Surface Treatment: CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES; Special Features: OIL HOLE AND GROOVE IN INNER RING; Standard Tolerance Designation: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS. 13 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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