PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

XLS4 1-2Bearing,ball,annular

Mcgill Manufacturing Co, Inc · NSN 3110-00-155-8988 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-8988 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-8988. Primary manufacturer part number: XLS4 1-2.
Features
  • Bearing,ball,annular — FSC 3110
  • Retainer Fabrication Method: PRESSED
  • Material: STEEL OVERALL
  • Overall Outside Diameter: 6.2500 INCHES NOMINAL IN
  • Bore Diameter: 4.5000 INCHES NOMINAL IN
  • Standard Tolerance Designation: ABEC NO.1
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL OVERALL
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 3110-00-155-8988, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mcgill Manufacturing Co, Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 13 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
NSN3110-00-155-8988
Primary Part NumberXLS4 1-2
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMcgill Manufacturing Co, Inc
StatusCANCELLED
Retainer Fabrication MethodPRESSED
MaterialSTEEL OVERALL
Overall Outside Diameter6.2500 INCHES NOMINAL IN
Bore Diameter4.5000 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.1
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Departure From Cited DesignatorAS MODIFIED BY OVERALL OUTSIDE DIAMETER
Nondefinitive Spec/std Data115 TYPE AND 00 GRADE
Load DirectionRADIAL
Bore ShapeSTRAIGHT
Nondefinitive Spec/std Data115 TYPE AND 00 GRADE
Internal Fit-Up DesignationSTANDARD
Internal Fit-Up DesignationSTANDARD
Load DirectionRADIAL
Standard Tolerance DesignationABEC NO.1
Surface FinishGROUND
Departure From Cited DesignatorAS MODIFIED BY OVERALL OUTSIDE DIAMETER
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3130-00-108-0579243618PC21 INTERCHANGEABLE
Bearing Unit,ball
Insinger Machine Co
3110-00-155-8931 INTERCHANGEABLE
Bearing,ball,annular
3110-00-155-8984 INTERCHANGEABLE
Bearing,ball,annular
3110-00-155-8991 INTERCHANGEABLE
Bearing,ball,annular
3110-00-159-9061 INTERCHANGEABLE
Bearing,ball,annular
5330-00-292-16104365282 INTERCHANGEABLE
Seal,plain Encased
Agco Corp Parts Opn
3110-00-640-8953 INTERCHANGEABLE
Bearing,ball,annular
3120-00-916-3021L36 INTERCHANGEABLE
Bearing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
5340-01-081-6457L3-6 INTERCHANGEABLE
Clamp,synchro
Roller Bearing Co of America, Inc Div Pic Design
3020-01-375-7791 INTERCHANGEABLE
Gear,internal
Cross-Reference Index
Part NumberManufacturer
XLS4 1-2 Mcgill Manufacturing Co, Inc (USA)
XLS4 1-2 Fag Bearings Corporation (USA)
AA59646-26ACB Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
XLS4 1-2 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
72BIC00 Timken Aerospace, Inc Dba Torrington Product (USA)
177039-26 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
A-A-59646 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
XLS4 1-2 Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. (USA)
XLS4 1-2 Equitable Bearing Co Inc (USA)
L36 Timken Aerospace, Inc Dba Torrington Product (USA)
XLS4 1-2 Nsk Corp Bearing Div (USA)
XLS72KD2 Timken Co Div the Timken Company (USA)
XLS4 1-2 Optical Technology Devices Inc (USA)
XLS4 1/2 Skf Usa Inc. (USA)
Related Parts
3130-00-108-0579INTERCHANGEABLE
BEARING UNIT,BALL
243618PC21
3110-00-155-8931INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-155-8984INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-155-8991INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-159-9061INTERCHANGEABLE
BEARING,BALL,ANNULAR
5330-00-292-1610INTERCHANGEABLE
SEAL,PLAIN ENCASED
4365282
3110-00-640-8953INTERCHANGEABLE
BEARING,BALL,ANNULAR
3120-00-916-3021INTERCHANGEABLE
BEARING,SLEEVE
L36
5340-01-081-6457INTERCHANGEABLE
CLAMP,SYNCHRO
L3-6
3020-01-375-7791INTERCHANGEABLE
GEAR,INTERNAL
6230-01-420-5474INTERCHANGEABLE
SPOTLIGHT
L36
5120-01-426-5782INTERCHANGEABLE
HAMMER,HAND
175-10

Frequently Asked Questions

What is NSN 3110-00-155-8988?

NSN 3110-00-155-8988 is a Bearing,ball,annular, manufactured by Mcgill Manufacturing Co, Inc, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-155-8988?

NSN 3110-00-155-8988 has 15 cross-referenced part numbers: XLS4 1-2 (Mcgill Manufacturing Co, Inc), XLS4 1-2 (Fag Bearings Corporation), AA59646-26ACB (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), XLS4 1-2 (Schatz Bearing Corporation Dba Schatz Bearing Corp), FFB171 (Federal Specifications Promulgated by General Services Administration Washington DC) and 10 more.

What NSN replaces 3110-00-155-8988?

There are 12 known substitutes for 3110-00-155-8988: 3130-00-108-0579, 3110-00-155-8931, 3110-00-155-8984 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of XLS4 1-2?

Key specifications for XLS4 1-2: Retainer Fabrication Method: PRESSED; Material: STEEL OVERALL; Overall Outside Diameter: 6.2500 INCHES NOMINAL IN; Bore Diameter: 4.5000 INCHES NOMINAL IN. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-155-8988 still in active supply?

NSN 3110-00-155-8988 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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