PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

72-6970-300Bearing,ball,annular

Fairbanks Morse, Llc · NSN 3110-00-144-8971 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-144-8971 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-144-8971. Primary manufacturer part number: 72-6970-300.
Features
  • Bearing,ball,annular — FSC 3110
  • Internal Fit-Up Designation: STANDARD
  • Overall Outside Diameter: 300.00 MILLIMETERS NOMINAL MM
  • Bore Shape: STRAIGHT
  • Standard Tolerance Designation: ABEC NO.1
  • Material: STEEL INNER RING
  • Material: STEEL BALL
  • Material: STEEL SHIELD
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 3110-00-144-8971, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-144-8971
Primary Part Number72-6970-300
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFairbanks Morse, Llc
StatusACTIVE
Internal Fit-Up DesignationSTANDARD
Overall Outside Diameter300.00 MILLIMETERS NOMINAL MM
Bore ShapeSTRAIGHT
Standard Tolerance DesignationABEC NO.1
MaterialSTEEL INNER RING
MaterialSTEEL BALL
MaterialSTEEL SHIELD
MaterialCOPPER ALLOY RETAINER
Shield Quantity1
Surface FinishGROUND
MaterialSTEEL OUTER RING
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Load DirectionRADIAL
Bore Diameter140.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-03703328 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5925-00-109-2218 INTERCHANGEABLE
Circuit Breaker
5935-00-194-2967 INTERCHANGEABLE
Jack,telephone
5930-00-221-89929095 INTERCHANGEABLE
Switch,push
Cole Hersee Company
3110-00-293-846933328 INTERCHANGEABLE
Bearing,ball,annular
Honeywell International Inc. Div Aerospace - Torrance
6515-00-375-895406-4148 INTERCHANGEABLE
Punch,cutaneous Biopsy
Sklar Corporation Dba Sklar Instruments
5310-00-497-3891 INTERCHANGEABLE
Nut,self-Locking,hexagon
6645-00-515-6147 INTERCHANGEABLE
Timer,interval
2520-00-532-48366328X INTERCHANGEABLE
Shaft Asy
Dana Corp Spicer Transmission Div
5935-00-552-51813328 INTERCHANGEABLE
Connector,plug,electrical
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
3328 General Motors Corp Delco Moraine Ndh Div (USA)
140BC03 Timken Aerospace, Inc Dba Torrington Product (USA)
72-6970-300 PRIMARY Fairbanks Morse, Llc (USA)
6328X PRIMARY Skf Usa Inc. (USA)
268374-5 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
440A PRIMARY Fag Bearings Corporation (USA)
140BC03 Timken Co Div the Timken Company (USA)
328K Timken Co Div the Timken Company (USA)
72-6970-300 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
3328 General Motors Corp (USA)
C328 Timken Aerospace, Inc Dba Torrington Product (USA)
6328X PRIMARY Kaydon Corporation Dba Kaydon Corp (USA)
6328X PRIMARY Naval Ship Systems Command (USA)
3328 General Motors Llc Dba General Motors Llc (USA)
Related Parts
3110-00-100-0370INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
3328
5925-00-109-2218INTERCHANGEABLE
CIRCUIT BREAKER
5935-00-194-2967INTERCHANGEABLE
JACK,TELEPHONE
5930-00-221-8992INTERCHANGEABLE
SWITCH,PUSH
9095
3110-00-293-8469INTERCHANGEABLE
BEARING,BALL,ANNULAR
33328
6515-00-375-8954INTERCHANGEABLE
PUNCH,CUTANEOUS BIOPSY
06-4148
5310-00-497-3891INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
6645-00-515-6147INTERCHANGEABLE
TIMER,INTERVAL
2520-00-532-4836INTERCHANGEABLE
SHAFT ASY
6328X
5935-00-552-5181INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3328
5360-00-589-7687INTERCHANGEABLE
SPRING,HELICAL,TORSION
3328
6625-00-752-5311INTERCHANGEABLE
DETECTOR,RADIO FREQUENCY
440A

Frequently Asked Questions

What is NSN 3110-00-144-8971?

NSN 3110-00-144-8971 is a Bearing,ball,annular, manufactured by Fairbanks Morse, Llc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-144-8971?

NSN 3110-00-144-8971 has 14 cross-referenced part numbers: 3328 (General Motors Corp Delco Moraine Ndh Div), 140BC03 (Timken Aerospace, Inc Dba Torrington Product), 72-6970-300 (Fairbanks Morse, Llc), 6328X (Skf Usa Inc.), 268374-5 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 9 more.

What NSN replaces 3110-00-144-8971?

There are 12 known substitutes for 3110-00-144-8971: 3110-00-100-0370, 5925-00-109-2218, 5935-00-194-2967 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 72-6970-300?

Key specifications for 72-6970-300: Internal Fit-Up Designation: STANDARD; Overall Outside Diameter: 300.00 MILLIMETERS NOMINAL MM; Bore Shape: STRAIGHT; Standard Tolerance Designation: ABEC NO.1. 15 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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