PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7307BECBYBearing,ball,annular

Skf Usa Inc. · NSN 3110-00-555-4139 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-555-4139 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-555-4139. Primary manufacturer part number: 7307BECBY.
Features
  • Bearing,ball,annular — FSC 3110
  • Retainer Fabrication Method: PRESSED
  • Bore Shape: STRAIGHT
  • Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE
  • Material: STEEL OVERALL
  • Load Direction: ANGULAR
  • Overall Outside Diameter: 80.00 MILLIMETERS NOMINAL MM
  • Surface Finish: GROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-555-4139, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-555-4139
Primary Part Number7307BECBY
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusCANCELLED
Retainer Fabrication MethodPRESSED
Bore ShapeSTRAIGHT
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
MaterialSTEEL OVERALL
Load DirectionANGULAR
Overall Outside Diameter80.00 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Bore Diameter35.00 MILLIMETERS NOMINAL MM
Contact Angle22.0 DEGREES MINIMUM AND 32.0 DEGREES MAXIMUM
Standard Tolerance DesignationABEC NO.1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3040-00-024-51937307 INTERCHANGEABLE
Cam,control
Instruments and Flight Research, Inc.
2010-00-213-06413772878 INTERCHANGEABLE
Drum,clutch
General Motors Llc Dba General Motors Llc
5330-00-447-35257307 INTERCHANGEABLE
Packing Assembly
Dressta North America Ltd
5930-00-452-1271 INTERCHANGEABLE
Switch,toggle
3110-00-554-3298 INTERCHANGEABLE
Bearing,ball,annular
2815-00-718-4905260142AS INTERCHANGEABLE
Ring Set,piston
Brinkley Technology Group Llc Dba Hercules Manufacturing
5998-00-763-1492SM-C-500639 INTERCHANGEABLE
Circuit Card Assembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5315-01-086-61887307 INTERCHANGEABLE
Pin,straight,headed
893 Mfg, Llc
5996-01-156-66613524 INTERCHANGEABLE
Amplifier,radio Frequency
Lockheed Martin Corporation Div Rms
4820-01-160-7944DS-937427 INTERCHANGEABLE
Piston,control Valv
Eaton Aerospace, Llc Dba Jackson South
Cross-Reference Index
Part NumberManufacturer
7307C1TX9 Nsk Corp Bearing Div (USA)
7307BECBY PRIMARY Skf Usa Inc. (USA)
H20307 General Motors Corp (USA)
7307 Timken Co Div the Timken Company (USA)
7307 Skf Usa Inc. (USA)
7307BECBY Skf Industries Inc (USA)
7307W Timken Co Div the Timken Company (USA)
FFB171/26J07A2C Federal Specifications Promulgated by General Services Administration Washington DC (USA)
7307WAXXXX Timken Co Div the Timken Company (USA)
H20307 General Motors Corp Delco Moraine Ndh Div (USA)
FF-B-171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
7307 Skf Usa Inc. (USA)
Related Parts
3040-00-024-5193INTERCHANGEABLE
CAM,CONTROL
7307
2010-00-213-0641INTERCHANGEABLE
DRUM,CLUTCH
3772878
5330-00-447-3525INTERCHANGEABLE
PACKING ASSEMBLY
7307
5930-00-452-1271INTERCHANGEABLE
SWITCH,TOGGLE
3110-00-554-3298INTERCHANGEABLE
BEARING,BALL,ANNULAR
2815-00-718-4905INTERCHANGEABLE
RING SET,PISTON
260142AS
5998-00-763-1492INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
SM-C-500639
5315-01-086-6188INTERCHANGEABLE
PIN,STRAIGHT,HEADED
7307
5996-01-156-6661INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
3524
4820-01-160-7944INTERCHANGEABLE
PISTON,CONTROL VALV
DS-937427
6520-01-317-3365INTERCHANGEABLE
ADHESIVE,IMPRESSION MATERIAL,DEN
7307
6740-01-345-9245INTERCHANGEABLE
PROCESSOR,PHOTOGRA

Frequently Asked Questions

What is NSN 3110-00-555-4139?

NSN 3110-00-555-4139 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-555-4139?

NSN 3110-00-555-4139 has 12 cross-referenced part numbers: 7307C1TX9 (Nsk Corp Bearing Div), 7307BECBY (Skf Usa Inc.), H20307 (General Motors Corp), 7307 (Timken Co Div the Timken Company), 7307 (Skf Usa Inc.) and 7 more.

What NSN replaces 3110-00-555-4139?

There are 12 known substitutes for 3110-00-555-4139: 3040-00-024-5193, 2010-00-213-0641, 5330-00-447-3525 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7307BECBY?

Key specifications for 7307BECBY: Overall Width: 21.0 MILLIMETERS NOMINAL MM; Retainer Fabrication Method: PRESSED; Bore Shape: STRAIGHT; Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-555-4139 still in active supply?

NSN 3110-00-555-4139 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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