PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA59630-218YABTBearing,ball,annular

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 3110-00-186-9378 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-186-9378 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-186-9378. Primary manufacturer part number: AA59630-218YABT.
Features
  • Bearing,ball,annular — FSC 3110
  • Standard Tolerance Designation: ABEC NO.1
  • Overall Outside Diameter: 190.00 MILLIMETERS NOMINAL MM
  • Contact Angle: 25.0 DEGREES MINIMUM
  • Standard Tolerance Designation: ABEC NO.1
  • Contact Angle: 25.0 DEGREES MINIMUM
  • Load Direction: ANGULAR
  • Material: STEEL OUTER RING
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-186-9378, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN3110-00-186-9378
Primary Part NumberAA59630-218YABT
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Standard Tolerance DesignationABEC NO.1
Overall Outside Diameter190.00 MILLIMETERS NOMINAL MM
Contact Angle25.0 DEGREES MINIMUM
Standard Tolerance DesignationABEC NO.1
Contact Angle25.0 DEGREES MINIMUM
Load DirectionANGULAR
MaterialSTEEL OUTER RING
MaterialSTEEL INNER RING
MaterialCOPPER ALLOY RETAINER
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
MaterialSTEEL INNER RING
MaterialSTEEL BALL
Retainer Fabrication MethodPRESSED
Surface FinishGROUND
Load DirectionANGULAR
Bore ShapeSTRAIGHT
Bore Diameter90.00 MILLIMETERS NOMINAL MM
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-101-3042 INTERCHANGEABLE
Bearing,ball,annular
3110-00-109-1428 INTERCHANGEABLE
Bearing,ball,duplex
3110-00-156-6747 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7526 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7534 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7620 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-8280 INTERCHANGEABLE
Bearing,ball,annular
3110-00-767-0527 INTERCHANGEABLE
Bearing,ball,duplex
Cross-Reference Index
Part NumberManufacturer
AA59630-218YABT Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59630 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
629A318AEP1 General Electric Co Motor Business Group (USA)
Related Parts
3110-00-101-3042INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-109-1428INTERCHANGEABLE
BEARING,BALL,DUPLEX
3110-00-156-6747INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7526INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7534INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7620INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-8280INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-767-0527INTERCHANGEABLE
BEARING,BALL,DUPLEX

Frequently Asked Questions

What is NSN 3110-00-186-9378?

NSN 3110-00-186-9378 is a Bearing,ball,annular, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-186-9378?

NSN 3110-00-186-9378 has 3 cross-referenced part numbers: AA59630-218YABT (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59630 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 629A318AEP1 (General Electric Co Motor Business Group).

What NSN replaces 3110-00-186-9378?

There are 8 known substitutes for 3110-00-186-9378: 3110-00-101-3042, 3110-00-109-1428, 3110-00-156-6747 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA59630-218YABT?

Key specifications for AA59630-218YABT: Standard Tolerance Designation: ABEC NO.1; Overall Outside Diameter: 190.00 MILLIMETERS NOMINAL MM; Contact Angle: 25.0 DEGREES MINIMUM; Standard Tolerance Designation: ABEC NO.1. 20 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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