PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

QH20303Bearing,ball,annular

General Motors Corp Delco Moraine Ndh Div · NSN 3110-00-101-0935 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-101-0935 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-101-0935. Primary manufacturer part number: QH20303.
Features
  • Bearing,ball,annular — FSC 3110
  • Load Direction: ANGULAR
  • Material: STEEL BALL
  • Material: PLASTIC PHENOLIC RETAINER
  • Material: STEEL INNER RING
  • Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE
  • Material: STEEL OUTER RING
  • Standard Tolerance Designation: ABEC NO.1
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 3110-00-101-0935, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is General Motors Corp Delco Moraine Ndh Div. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-101-0935
Primary Part NumberQH20303
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerGeneral Motors Corp Delco Moraine Ndh Div
StatusACTIVE
Load DirectionANGULAR
MaterialSTEEL BALL
MaterialPLASTIC PHENOLIC RETAINER
MaterialSTEEL INNER RING
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
MaterialSTEEL OUTER RING
Standard Tolerance DesignationABEC NO.1
Bore Diameter17.00 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Contact Angle25.0 DEGREES MAXIMUM
Overall Outside Diameter47.00 MILLIMETERS NOMINAL MM
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-109-1254 INTERCHANGEABLE
Bearing,ball,duplex
3110-00-156-5232 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-6801 INTERCHANGEABLE
Bearing,ball,duplex
3110-00-156-6815 INTERCHANGEABLE
Bearing,ball,duplex
3110-00-554-3223 INTERCHANGEABLE
Bearing,ball,annular
3110-00-554-6106 INTERCHANGEABLE
Bearing,ball,annular
3110-00-862-6986 INTERCHANGEABLE
Bearing,ball,duplex
3110-01-050-1573 INTERCHANGEABLE
Bearing,ball,duplex
Cross-Reference Index
Part NumberManufacturer
QH20303 General Motors Corp Delco Moraine Ndh Div (USA)
QH20303 General Motors Corp (USA)
G14363PC11 Siemens Energy, Inc. (USA)
QH20303N01A General Motors Corp Delco Moraine Ndh Div (USA)
FF-B-171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-59626 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
20303XS10-15 General Motors Corp Delco Moraine Ndh Div (USA)
QH20303 Siemens Energy, Inc. (USA)
AA59585-203TABT Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59626-203TABTU Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
QH20303N01A General Motors Corp (USA)
G14778PC11 Siemens Energy, Inc. (USA)
A-A-59585 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
20303XS10-15 General Motors Corp (USA)
Related Parts
3110-00-109-1254INTERCHANGEABLE
BEARING,BALL,DUPLEX
3110-00-156-5232INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-6801INTERCHANGEABLE
BEARING,BALL,DUPLEX
3110-00-156-6815INTERCHANGEABLE
BEARING,BALL,DUPLEX
3110-00-554-3223INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-554-6106INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-862-6986INTERCHANGEABLE
BEARING,BALL,DUPLEX
3110-01-050-1573INTERCHANGEABLE
BEARING,BALL,DUPLEX

Frequently Asked Questions

What is NSN 3110-00-101-0935?

NSN 3110-00-101-0935 is a Bearing,ball,annular, manufactured by General Motors Corp Delco Moraine Ndh Div, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-101-0935?

NSN 3110-00-101-0935 has 14 cross-referenced part numbers: QH20303 (General Motors Corp Delco Moraine Ndh Div), QH20303 (General Motors Corp), G14363PC11 (Siemens Energy, Inc.), QH20303N01A (General Motors Corp Delco Moraine Ndh Div), FF-B-171 (Federal Specifications Promulgated by General Services Administration Washington DC) and 9 more.

What NSN replaces 3110-00-101-0935?

There are 8 known substitutes for 3110-00-101-0935: 3110-00-109-1254, 3110-00-156-5232, 3110-00-156-6801 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of QH20303?

Key specifications for QH20303: Overall Width: 14.0 MILLIMETERS NOMINAL MM; Load Direction: ANGULAR; Material: STEEL BALL; Material: PLASTIC PHENOLIC RETAINER. 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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