PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55504X1CBearing,ball,annular

General Motors Corp · NSN 3110-00-156-4682 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-4682 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-4682. Primary manufacturer part number: 55504X1C.
Features
  • Bearing,ball,annular — FSC 3110
  • Internal Fit-Up Contact Angular Direction: OUTWARD CONVERGENT
  • Departure From Cited Designator: AS MODIFIED BY SHIELD QUANTITY
  • Bore Shape: STRAIGHT
  • Surface Finish: GROUND
  • Internal Fit-Up Designation: STANDARD
  • Load Direction: ANGULAR
  • Retainer Fabrication Method: PRESSED
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 3110-00-156-4682, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is General Motors Corp. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-4682
Primary Part Number55504X1C
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusACTIVE
Internal Fit-Up Contact Angular DirectionOUTWARD CONVERGENT
Departure From Cited DesignatorAS MODIFIED BY SHIELD QUANTITY
Bore ShapeSTRAIGHT
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
Load DirectionANGULAR
Retainer Fabrication MethodPRESSED
Lubrication Material Document and ClassificationMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
Bore ShapeSTRAIGHT
Lubrication MaterialGREASE
Shield Quantity2
Standard Tolerance DesignationABEC NO.1
Internal Fit-Up Contact Angular DirectionOUTWARD CONVERGENT
Nondefinitive Spec/std Data143 TYPE AND 00 GRADE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Overall Outside Diameter47.00 MILLIMETERS NOMINAL MM
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL OVERALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Shield Quantity2
Lubrication Material Document and ClassificationMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std Data143 TYPE AND 00 GRADE
Bore Diameter20.00 MILLIMETERS NOMINAL MM
Lubrication MaterialGREASE
Standard Tolerance DesignationABEC NO.1
Load DirectionANGULAR
Departure From Cited DesignatorAS MODIFIED BY SHIELD QUANTITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
1650-00-516-4515695481-3 INTERCHANGEABLE
Filter Element,fluid
Lockheed Martin Corp
3040-00-600-2924SM-B-187085 INTERCHANGEABLE
Connecting Link,rigid
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-844-314331-369 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
5950-00-936-3837SM-C-451469 INTERCHANGEABLE
Reactor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3040-01-372-006655504 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Best Metal Products Company, Inc.
8140-01-570-69507591783 INTERCHANGEABLE
Container
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
55504X1C General Motors Corp (USA)
TA704 White Farm Equipment Co Sub of Tic Investment Inc (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
55504 General Motors Corp Delco Moraine Ndh Div (USA)
55504 General Motors Corp (USA)
55504X1C General Motors Corp Delco Moraine Ndh Div (USA)
954806 Rolls-Royce Solutions America Inc (USA)
280026-108 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
31369 Cooper Industries Inc Dba Cooper Tools (USA)
SH-8873 DETAIL 20 Cooper Industries Inc Dba Cooper Tools (USA)
5204KDDFS381A Timken Co Div the Timken Company (USA)
TA650 White Farm Equipment Co Sub of Tic Investment Inc (USA)
954806 General Motors Corp (USA)
Related Parts
1650-00-516-4515INTERCHANGEABLE
FILTER ELEMENT,FLUID
695481-3
3040-00-600-2924INTERCHANGEABLE
CONNECTING LINK,RIGID
SM-B-187085
5935-00-844-3143INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
31-369
5950-00-936-3837INTERCHANGEABLE
REACTOR
SM-C-451469
3040-01-372-0066INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
55504
8140-01-570-6950INTERCHANGEABLE
CONTAINER
7591783

Frequently Asked Questions

What is NSN 3110-00-156-4682?

NSN 3110-00-156-4682 is a Bearing,ball,annular, manufactured by General Motors Corp, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-4682?

NSN 3110-00-156-4682 has 13 cross-referenced part numbers: 55504X1C (General Motors Corp), TA704 (White Farm Equipment Co Sub of Tic Investment Inc), FFB171 (Federal Specifications Promulgated by General Services Administration Washington DC), 55504 (General Motors Corp Delco Moraine Ndh Div), 55504 (General Motors Corp) and 8 more.

What NSN replaces 3110-00-156-4682?

There are 6 known substitutes for 3110-00-156-4682: 1650-00-516-4515, 3040-00-600-2924, 5935-00-844-3143 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55504X1C?

Key specifications for 55504X1C: Internal Fit-Up Contact Angular Direction: OUTWARD CONVERGENT; Departure From Cited Designator: AS MODIFIED BY SHIELD QUANTITY; Bore Shape: STRAIGHT; Surface Finish: GROUND. 29 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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