PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BN793Bearing,roller,needle

Ambac International Corporation Div Ambac International · NSN 3110-00-120-3080 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-120-3080 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-120-3080. Primary manufacturer part number: BN793.
Features
  • Bearing,roller,needle — FSC 3110
  • Style Designator: SEPARABLE ROLLERS, NO INNER RACE, HARDENED AND GROUND
  • Material: STEEL OVERALL
  • Overall Outside Diameter: 0.5000 INCHES NOMINAL IN
  • Alignment Type: RIGID
  • Bore Diameter: 0.3125 INCHES NOMINAL IN
  • Surface Finish: GROUND
  • Lubrication Material: GREASE
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 3110-00-120-3080, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Ambac International Corporation Div Ambac International. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-120-3080
Primary Part NumberBN793
Item NameBearing,roller,needle
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerAmbac International Corporation Div Ambac International
StatusCANCELLED
Style DesignatorSEPARABLE ROLLERS, NO INNER RACE, HARDENED AND GROUND
MaterialSTEEL OVERALL
Overall Outside Diameter0.5000 INCHES NOMINAL IN
Alignment TypeRIGID
Bore Diameter0.3125 INCHES NOMINAL IN
Surface FinishGROUND
Lubrication MaterialGREASE
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
3110-00-112-5879B59 INTERCHANGEABLE
Bearing,roller,needle
Raytheon Company
3030-00-197-7913BX59 INTERCHANGEABLE
Belt,v
Emerson Electric Co Browning Mfg Div
5133-00-266-9243 INTERCHANGEABLE
Drill,twist
5330-00-285-6378 INTERCHANGEABLE
Seal,plain Encased
5310-00-405-271320641 INTERCHANGEABLE
Washer,lock
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5365-00-420-447220641 INTERCHANGEABLE
Spacer,ring
Eaton Corporation Div Eaton Fluid Power
2520-00-495-627220641 INTERCHANGEABLE
Lever,clutch Plate
Eagle Crusher Co Inc Dba Stedman Machine Co
5365-01-090-2072B5-9 INTERCHANGEABLE
Spacer,sleeve
Roller Bearing Co of America, Inc Div Pic Design
5360-01-290-9579B59 INTERCHANGEABLE
Spring,helical,compression
Consolidated Sewing Machine Corp
3030-01-448-1825B59 INTERCHANGEABLE
Belt,v
Emerson Electric Co Browning Mfg Div
Cross-Reference Index
Part NumberManufacturer
12HD45 U S Electrical Tool Inc (USA)
BN793 PRIMARY Ambac International Corporation Div Ambac International (USA)
121-0037 Cummins Power Generation Inc. (USA)
B59XANG25 PRIMARY Timken Aerospace, Inc Dba Torrington Product (USA)
709473 PRIMARY Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
42-5K13 Mole-Richardson Co., Ltd. Dba Studio Depot Div Mole Richardson Co. (USA)
72-7370-002 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
B59 PRIMARY Timken Aerospace, Inc Dba Torrington Product (USA)
B59X PRIMARY Timken Aerospace, Inc Dba Torrington Product (USA)
510P53 Cummins Power Generation Inc. (USA)
R428-0005 PRIMARY Dumore Corporation (USA)
206-41 Borg-Warner Corp Marvel-Schebler/tillotson Div (USA)
12137B Cummins Power Generation Inc. (USA)
713754 CAGE 00000
12SP45 U S Electrical Tool Inc (USA)
72-7370-002 Fairbanks Morse, Llc (USA)
Related Parts
3110-00-112-5879INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
B59
3030-00-197-7913INTERCHANGEABLE
BELT,V
BX59
5133-00-266-9243INTERCHANGEABLE
DRILL,TWIST
5330-00-285-6378INTERCHANGEABLE
SEAL,PLAIN ENCASED
5310-00-405-2713INTERCHANGEABLE
WASHER,LOCK
20641
5365-00-420-4472INTERCHANGEABLE
SPACER,RING
20641
2520-00-495-6272INTERCHANGEABLE
LEVER,CLUTCH PLATE
20641
5365-01-090-2072INTERCHANGEABLE
SPACER,SLEEVE
B5-9
5360-01-290-9579INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
B59
3030-01-448-1825INTERCHANGEABLE
BELT,V
B59
4730-01-517-1510INTERCHANGEABLE
COUPLING,HOSE
C20641

Frequently Asked Questions

What is NSN 3110-00-120-3080?

NSN 3110-00-120-3080 is a Bearing,roller,needle, manufactured by Ambac International Corporation Div Ambac International, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-120-3080?

NSN 3110-00-120-3080 has 16 cross-referenced part numbers: 12HD45 (U S Electrical Tool Inc), BN793 (Ambac International Corporation Div Ambac International), 121-0037 (Cummins Power Generation Inc.), B59XANG25 (Timken Aerospace, Inc Dba Torrington Product), 709473 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate) and 11 more.

What NSN replaces 3110-00-120-3080?

There are 11 known substitutes for 3110-00-120-3080: 3110-00-112-5879, 3030-00-197-7913, 5133-00-266-9243 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BN793?

Key specifications for BN793: Style Designator: SEPARABLE ROLLERS, NO INNER RACE, HARDENED AND GROUND; Material: STEEL OVERALL; Overall Outside Diameter: 0.5000 INCHES NOMINAL IN; Alignment Type: RIGID. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-120-3080 still in active supply?

NSN 3110-00-120-3080 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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