PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7318Bearing,ball,annular

Mcgill Manufacturing Co, Inc · NSN 3110-00-156-8222 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-8222 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-8222. Primary manufacturer part number: 7318.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL OUTER RING
  • Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE
  • Material: STEEL BALL
  • Material: STEEL INNER RING
  • Surface Finish: GROUND
  • Load Direction: ANGULAR
  • Standard Tolerance Designation: ABEC NO.1
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 3110-00-156-8222, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 16 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
NSN3110-00-156-8222
Primary Part Number7318
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMcgill Manufacturing Co, Inc
StatusCANCELLED
MaterialSTEEL OUTER RING
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
MaterialSTEEL BALL
MaterialSTEEL INNER RING
Surface FinishGROUND
Load DirectionANGULAR
Standard Tolerance DesignationABEC NO.1
Bore Diameter90.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter190.00 MILLIMETERS NOMINAL MM
Bore ShapeSTRAIGHT
Contact Angle25.0 DEGREES MINIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4920-00-015-28417318 INTERCHANGEABLE
Arm Assy,functional
Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto
5999-00-125-48757318 INTERCHANGEABLE
Contact,electrical
Telemechanics Inc
5975-00-144-3195 INTERCHANGEABLE
Cable Nipple,electrical
3110-00-155-6467 INTERCHANGEABLE
Bearing,ball,annular
3110-00-227-4307205RD2BE505A015B14S6914H INTERCHANGEABLE
Bearing,ball,duplex
Skf Usa Inc.
5136-00-242-5697 INTERCHANGEABLE
Tap,thread Cutting
2825-00-388-68357315 INTERCHANGEABLE
Weight Arm Assembly
Northrop Grumman Systems Corporation Div Marine Systems
5955-00-480-8103G177-007-004 INTERCHANGEABLE
Oscillator,crystal Controlled
Bae Systems Information and Electronic Systems Integration Inc.
5940-00-665-9559 INTERCHANGEABLE
Splice,conductor
5325-00-757-3234 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
7318 PRIMARY Mcgill Manufacturing Co, Inc (USA)
7318B PRIMARY Skf Usa Inc. (USA)
30318 General Motors Llc Dba General Motors Llc (USA)
7318 Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. (USA)
7318 PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
30318 General Motors Corp (USA)
7318 Equitable Bearing Co Inc (USA)
7318 Department of the Navy (USA)
72-6970-452 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
7318 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
30318 General Motors Corp Delco Moraine Ndh Div (USA)
177003-57 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
7318 Trw Inc Bearings Div Plainville Plant (USA)
72-6970-452 PRIMARY Fairbanks Morse, Llc (USA)
7318PW PRIMARY Timken Co Div the Timken Company (USA)
7318 PRIMARY Skf Usa Inc. (USA)
390AC PRIMARY Fag Bearings Corporation (USA)
7318 PRIMARY Skf Usa Inc. (USA)
Related Parts
4920-00-015-2841INTERCHANGEABLE
ARM ASSY,FUNCTIONAL
7318
5999-00-125-4875INTERCHANGEABLE
CONTACT,ELECTRICAL
7318
5975-00-144-3195INTERCHANGEABLE
CABLE NIPPLE,ELECTRICAL
3110-00-155-6467INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-227-4307INTERCHANGEABLE
BEARING,BALL,DUPLEX
205RD2BE505A015B14S6914H
5136-00-242-5697INTERCHANGEABLE
TAP,THREAD CUTTING
2825-00-388-6835INTERCHANGEABLE
WEIGHT ARM ASSEMBLY
7315
5955-00-480-8103INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
G177-007-004
5940-00-665-9559INTERCHANGEABLE
SPLICE,CONDUCTOR
5325-00-757-3234INTERCHANGEABLE
RING,RETAINING
5950-00-944-8461INTERCHANGEABLE
REACTOR
30318
5360-00-946-8754INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 3110-00-156-8222?

NSN 3110-00-156-8222 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 3110-00-156-8222?

NSN 3110-00-156-8222 has 18 cross-referenced part numbers: 7318 (Mcgill Manufacturing Co, Inc), 7318B (Skf Usa Inc.), 30318 (General Motors Llc Dba General Motors Llc), 7318 (Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging.), 7318 (Schatz Bearing Corporation Dba Schatz Bearing Corp) and 13 more.

What NSN replaces 3110-00-156-8222?

There are 12 known substitutes for 3110-00-156-8222: 4920-00-015-2841, 5999-00-125-4875, 5975-00-144-3195 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7318?

Key specifications for 7318: Overall Width: 43.0 MILLIMETERS NOMINAL MM; Material: STEEL OUTER RING; Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE; Material: STEEL BALL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-156-8222 still in active supply?

NSN 3110-00-156-8222 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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