PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

504902-2Bearing,ball,annular

Navy Electronics Supply Office · NSN 3110-00-156-5303 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-5303 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-5303. Primary manufacturer part number: 504902-2.
Features
  • Bearing,ball,annular — FSC 3110
  • Load Direction: RADIAL
  • Bore Diameter: 5.00 MILLIMETERS NOMINAL MM
  • Bore Shape: STRAIGHT
  • Style Designator: COUNTERBORED OUTER RING, MAGNETO TYPE, S EPARABLE
  • Material: STEEL BALL
  • Material: STEEL OUTER RING
  • Surface Finish: GROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-5303, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Navy Electronics Supply Office. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 33 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-5303
Primary Part Number504902-2
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNavy Electronics Supply Office
StatusACTIVE
Load DirectionRADIAL
Bore Diameter5.00 MILLIMETERS NOMINAL MM
Bore ShapeSTRAIGHT
Style DesignatorCOUNTERBORED OUTER RING, MAGNETO TYPE, S EPARABLE
MaterialSTEEL BALL
MaterialSTEEL OUTER RING
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
Overall Outside Diameter16.00 MILLIMETERS NOMINAL MM
MaterialSTEEL INNER RING
Standard Tolerance DesignationABEC NO.1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-035-8804267508 INTERCHANGEABLE
Contact,electrical
Thompson O Co Div of Schindler Elevator Corp
5945-00-056-8136 INTERCHANGEABLE
Relay,electromagnetic
3110-00-100-8515E0005 INTERCHANGEABLE
Bearing,ball,thrust
Abc Acquisition Company Dba Aetna Bearing Company
5307-00-105-3318 INTERCHANGEABLE
Stud,plain
4730-00-128-0616200242 INTERCHANGEABLE
Adapter,ball Fitting
Huck International, Inc
3110-00-157-1909109119-24 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5120-00-223-6944 INTERCHANGEABLE
Extractor,screw
3455-00-254-8471 INTERCHANGEABLE
Cutter,milling,concave
5920-00-280-355738005 INTERCHANGEABLE
Retainer,fuse
Trico Corporation Div Trico Corp
3120-00-294-0017BS5-1950PC9 INTERCHANGEABLE
Bushing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
Cross-Reference Index
Part NumberManufacturer
504902-2 Navy Electronics Supply Office (USA)
8903-1 Arma Div Ambac Industries Inc
CC6613 Honeywell International Inc Dba Honeywell (USA)
ND5-1 General Motors Corp (USA)
157228-16 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
6613K Bendix Corp the Brake and Steering Div (USA)
E5 Fag Bearings Corporation (USA)
136539-25 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
5 Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. (USA)
A503796C Smiths Detection Inc. Dba Smiths Detection Inc Casc (USA)
319696-572 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
ND5N01 General Motors Corp Delco Moraine Ndh Div (USA)
177003-1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
CC11711 Bendix Corp the (USA)
200242 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
CC11711 Honeywell International Inc Dba Honeywell (USA)
5 Timken Co Div the Timken Company (USA)
122358-5 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
065-1 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
504902-2 Smiths Detection Inc. Dba Smiths Detection Inc Casc (USA)
Related Parts
5999-00-035-8804INTERCHANGEABLE
CONTACT,ELECTRICAL
267508
5945-00-056-8136INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
3110-00-100-8515INTERCHANGEABLE
BEARING,BALL,THRUST
E0005
5307-00-105-3318INTERCHANGEABLE
STUD,PLAIN
4730-00-128-0616INTERCHANGEABLE
ADAPTER,BALL FITTING
200242
3110-00-157-1909INTERCHANGEABLE
BEARING,BALL,ANNULAR
109119-24
5120-00-223-6944INTERCHANGEABLE
EXTRACTOR,SCREW
3455-00-254-8471INTERCHANGEABLE
CUTTER,MILLING,CONCAVE
5920-00-280-3557INTERCHANGEABLE
RETAINER,FUSE
38005
3120-00-294-0017INTERCHANGEABLE
BUSHING,SLEEVE
BS5-1950PC9
6130-00-295-0633INTERCHANGEABLE
RECTIFIER,METALLIC
1005A
5340-00-317-2711INTERCHANGEABLE
CLAMP,LOOP
10688

Frequently Asked Questions

What is NSN 3110-00-156-5303?

NSN 3110-00-156-5303 is a Bearing,ball,annular, manufactured by Navy Electronics Supply Office, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-5303?

NSN 3110-00-156-5303 has 33 cross-referenced part numbers: 504902-2 (Navy Electronics Supply Office), 8903-1 (Arma Div Ambac Industries Inc), CC6613 (Honeywell International Inc Dba Honeywell), ND5-1 (General Motors Corp), 157228-16 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 28 more.

What NSN replaces 3110-00-156-5303?

There are 12 known substitutes for 3110-00-156-5303: 5999-00-035-8804, 5945-00-056-8136, 3110-00-100-8515 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 504902-2?

Key specifications for 504902-2: Load Direction: RADIAL; Bore Diameter: 5.00 MILLIMETERS NOMINAL MM; Bore Shape: STRAIGHT; Style Designator: COUNTERBORED OUTER RING, MAGNETO TYPE, S EPARABLE. 12 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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