PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

309MGBearing,ball,annular

Dana Off Highway Products, Llc · NSN 3110-00-155-6723 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6723 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6723. Primary manufacturer part number: 309MG.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Overall Outside Diameter: 100.00 MILLIMETERS NOMINAL MM
  • Material: STEEL INNER RING
  • Material: STEEL OUTER RING
  • Style Designator: LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL BALL
  • Features Provided: SNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Inner Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-6723, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 39 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
NSN3110-00-155-6723
Primary Part Number309MG
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerDana Off Highway Products, Llc
StatusCANCELLED
Surface FinishGROUND
Overall Outside Diameter100.00 MILLIMETERS NOMINAL MM
MaterialSTEEL INNER RING
MaterialSTEEL OUTER RING
Style DesignatorLOADING GROOVE, NON-SEPARABLE
MaterialSTEEL BALL
Features ProvidedSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
Bore Diameter45.00 MILLIMETERS NOMINAL MM
Internal Fit-Up DesignationSTANDARD
Bore ShapeSTRAIGHT
Standard Tolerance DesignationABEC NO.1
Load DirectionRADIAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-155-61881-73309 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
6930-00-211-238881022 INTERCHANGEABLE
Chassis Assembly,re
Cae Usa Inc.
5310-00-275-139822FP2-832 INTERCHANGEABLE
Nut,self-Locking,spline
Sps Technologies, Llc Dba PB Fasteners
6530-00-299-9822 INTERCHANGEABLE
Tape,sealing,sterilization Indic
2530-00-374-105422212 INTERCHANGEABLE
Roller,brake Shoe
Fwd Seagrave Holdings Lp
5340-00-393-4428SS845-2110253 INTERCHANGEABLE
Cover,access
Naval Ship Systems Command
4720-00-447-0027AE373-12 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
5360-00-468-574550019BPCBM27 INTERCHANGEABLE
Spring,helical,compression
Ward Leonard Ct Llc
4820-00-474-013422212 INTERCHANGEABLE
Valve,ball
Cleveland Range, Llc
5930-00-484-1405172B INTERCHANGEABLE
Switch,push
Carling Technologies, Inc Dba Carlingswitch
Cross-Reference Index
Part NumberManufacturer
41309 Kaitlin Corp (USA)
RT6219 Blaw Knox Corp Blaw-Knox Equipment Div (USA)
309MG PRIMARY Dana Off Highway Products, Llc (USA)
309MG Joy Global Underground Mining Llc (USA)
MT4309 PRIMARY Fag Bearings Corporation (USA)
F5140 Cleveland Trencher Co Inc (USA)
B4Q7118A Ford Motor Company (USA)
6309NRMAX PRIMARY Naval Ship Systems Command (USA)
IR10-150R20 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
45BL03G PRIMARY Anti-Friction Bearing Mfg Assn Inc the (USA)
1309MG PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
41309 Paccar Government Group Co Yarrow Bay Office Pk (USA)
IR10-150R20 Ingersoll Rand Co (USA)
104-309-3 PRIMARY Dana Corp Spicer Transmission Div (USA)
IR10-150R20 Siemens Energy, Inc. Dba Dresser-Rand (USA)
RT6219 Amf Inc Amf York Div (USA)
B4Q7118A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
309MG Arrow-Master, Incorporated (USA)
1309MG Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
104-309-2 PRIMARY Dana Corp Spicer Transmission Div (USA)
Related Parts
3110-00-155-6188INTERCHANGEABLE
BEARING,BALL,ANNULAR
1-73309
6930-00-211-2388INTERCHANGEABLE
CHASSIS ASSEMBLY,RE
81022
5310-00-275-1398INTERCHANGEABLE
NUT,SELF-LOCKING,SPLINE
22FP2-832
6530-00-299-9822INTERCHANGEABLE
TAPE,SEALING,STERILIZATION INDIC
2530-00-374-1054INTERCHANGEABLE
ROLLER,BRAKE SHOE
22212
5340-00-393-4428INTERCHANGEABLE
COVER,ACCESS
SS845-2110253
4720-00-447-0027INTERCHANGEABLE
HOSE,NONMETALLIC
AE373-12
5360-00-468-5745INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
50019BPCBM27
4820-00-474-0134INTERCHANGEABLE
VALVE,BALL
22212
5930-00-484-1405INTERCHANGEABLE
SWITCH,PUSH
172B
3110-00-554-3288INTERCHANGEABLE
BEARING,BALL,ANNULAR
10090
5950-00-626-4137INTERCHANGEABLE
REACTOR
A-9100-2796-1

Frequently Asked Questions

What is NSN 3110-00-155-6723?

NSN 3110-00-155-6723 is a Bearing,ball,annular, manufactured by Dana Off Highway Products, Llc, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-155-6723?

NSN 3110-00-155-6723 has 50 cross-referenced part numbers: 41309 (Kaitlin Corp), RT6219 (Blaw Knox Corp Blaw-Knox Equipment Div), 309MG (Dana Off Highway Products, Llc), 309MG (Joy Global Underground Mining Llc), MT4309 (Fag Bearings Corporation) and 45 more.

What NSN replaces 3110-00-155-6723?

There are 12 known substitutes for 3110-00-155-6723: 3110-00-155-6188, 6930-00-211-2388, 5310-00-275-1398 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 309MG?

Key specifications for 309MG: Surface Finish: GROUND; Overall Outside Diameter: 100.00 MILLIMETERS NOMINAL MM; Material: STEEL INNER RING; Material: STEEL OUTER RING. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-155-6723 still in active supply?

NSN 3110-00-155-6723 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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