PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MRC7306Bearing,ball,duplex

Cooper Machinery Services Llc · NSN 3110-00-156-8022 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-8022 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-8022. Primary manufacturer part number: MRC7306.
Features
  • Bearing,ball,duplex — FSC 3110
  • Nondefinitive Spec/std Data: 00 GRADE AND 134 TYPE
  • Lubrication Material Document and Classification: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
  • Load Direction: ANGULAR
  • Retainer Fabrication Method: MACHINED
  • Lubrication Material Document and Classification: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
  • Material: GREASE LUBRICATION
  • Bearing Preload Designation: LIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Grease Lubrication construction
General Description

The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-156-8022, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 27 commercial cross-references from 23 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
NSN3110-00-156-8022
Primary Part NumberMRC7306
Item NameBearing,ball,duplex
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerCooper Machinery Services Llc
StatusCANCELLED
Nondefinitive Spec/std Data00 GRADE AND 134 TYPE
Lubrication Material Document and ClassificationMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
Load DirectionANGULAR
Retainer Fabrication MethodMACHINED
Lubrication Material Document and ClassificationMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
MaterialGREASE LUBRICATION
Bearing Preload DesignationLIGHT
Standard Tolerance DesignationABEC NO.1
Load DirectionANGULAR
Surface FinishGROUND
Bearing Preload DesignationLIGHT
MaterialGREASE LUBRICATION
Nondefinitive Spec/std Data00 GRADE AND 134 TYPE
Overall Outside Diameter72.0 MILLIMETERS NOMINAL MM
Bore Diameter30.0 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Standard Tolerance DesignationABEC NO.1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-179-9034303-06 INTERCHANGEABLE
Voltmeter
Ballantine Laboratories Inc
3455-00-231-3477301-8 INTERCHANGEABLE
Cutter,milling,plain
Kennametal Inc. Div Kennametal Industrial Products Group
2640-00-319-58325066G INTERCHANGEABLE
Valve Extension,tire
Schrader-Bridgeport International Inc Dba Schrader Automotive
2825-00-446-9212D15-453BPC259-262 INTERCHANGEABLE
Weight
Northrop Grumman Systems Corporation Div Marine Systems
5110-00-560-0511KOH-520A INTERCHANGEABLE
Punch Set,knockout,hydraulic
Enerpac Tool Group Corp
5940-00-617-289610015429-48 INTERCHANGEABLE
Terminal,lug
Us Army Aviation and Missile Command
3820-00-718-02137306 INTERCHANGEABLE
Point,medium
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
2520-00-737-31197373119 INTERCHANGEABLE
Shaft Shifter
U S Army Tank Automotive Command Amsta-Im-Mm
1660-00-796-3436303-06 INTERCHANGEABLE
Diffuser,air,aircraft Heating an
Dukes Aerospace, Inc.
4920-01-065-6611 INTERCHANGEABLE
Sub Plate
Cross-Reference Index
Part NumberManufacturer
MRC7306 Cooper Machinery Services Llc (USA)
330AC Fag Bearings Corporation (USA)
7306 Equitable Bearing Co Inc (USA)
923P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
30306 General Motors Llc Dba General Motors Llc (USA)
7306 Skf Usa Inc. (USA)
177003-45 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
K11604A Yale Security Inc. Dba Norton Door Control (USA)
7306 Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. (USA)
7306 Mcgill Manufacturing Co, Inc (USA)
7306B Skf Usa Inc. (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
7306 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
G6671P55 Usm Corp Sub of Emhart Industries Inc Farrel Co Div (USA)
72-6970-440 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
30306 General Motors Corp (USA)
923P Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
30306 General Motors Corp Delco Moraine Ndh Div (USA)
72-6970-440 Fairbanks Morse, Llc (USA)
7306 Timken Co Div the Timken Company (USA)
Related Parts
6625-00-179-9034INTERCHANGEABLE
VOLTMETER
303-06
3455-00-231-3477INTERCHANGEABLE
CUTTER,MILLING,PLAIN
301-8
2640-00-319-5832INTERCHANGEABLE
VALVE EXTENSION,TIRE
5066G
2825-00-446-9212INTERCHANGEABLE
WEIGHT
D15-453BPC259-262
5110-00-560-0511INTERCHANGEABLE
PUNCH SET,KNOCKOUT,HYDRAULIC
KOH-520A
5940-00-617-2896INTERCHANGEABLE
TERMINAL,LUG
10015429-48
3820-00-718-0213INTERCHANGEABLE
POINT,MEDIUM
7306
2520-00-737-3119INTERCHANGEABLE
SHAFT SHIFTER
7373119
1660-00-796-3436INTERCHANGEABLE
DIFFUSER,AIR,AIRCRAFT HEATING AN
303-06
4920-01-065-6611INTERCHANGEABLE
SUB PLATE
3110-01-085-1245INTERCHANGEABLE
BEARING,ROLLER,TAPERED
30306
2590-01-151-2039INTERCHANGEABLE
FLANGE
7306

Frequently Asked Questions

What is NSN 3110-00-156-8022?

NSN 3110-00-156-8022 is a Bearing,ball,duplex, manufactured by Cooper Machinery Services Llc, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-156-8022?

NSN 3110-00-156-8022 has 27 cross-referenced part numbers: MRC7306 (Cooper Machinery Services Llc), 330AC (Fag Bearings Corporation), 7306 (Equitable Bearing Co Inc), 923P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 30306 (General Motors Llc Dba General Motors Llc) and 22 more.

What NSN replaces 3110-00-156-8022?

There are 12 known substitutes for 3110-00-156-8022: 6625-00-179-9034, 3455-00-231-3477, 2640-00-319-5832 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MRC7306?

Key specifications for MRC7306: Nondefinitive Spec/std Data: 00 GRADE AND 134 TYPE; Overall Width: 19.0 MILLIMETERS NOMINAL MM; Lubrication Material Document and Classification: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE; Load Direction: ANGULAR. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-156-8022 still in active supply?

NSN 3110-00-156-8022 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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