PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

297378Bearing,ball,annular

Acf Industries Inc · NSN 3110-00-554-5966 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-554-5966 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-554-5966. Primary manufacturer part number: 297378.
Features
  • Bearing,ball,annular — FSC 3110
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR BALLS, GRADE 5
  • Load Direction: RADIAL
  • Style Designator: LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL OVERALL
  • Bore Shape: STRAIGHT
  • Bore Diameter: 40.00 MILLIMETERS NOMINAL MM
  • Overall Outside Diameter: 90.00 MILLIMETERS NOMINAL MM
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 3110-00-554-5966, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Acf Industries Inc. Government technical data includes 10 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
NSN3110-00-554-5966
Primary Part Number297378
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerAcf Industries Inc
StatusCANCELLED
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR BALLS, GRADE 5
Load DirectionRADIAL
Style DesignatorLOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Bore ShapeSTRAIGHT
Bore Diameter40.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter90.00 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Retainer Fabrication MethodPRESSED
Shield Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-003-2141M6308G INTERCHANGEABLE
Coil,electrical
Anritsu Company
1620-00-093-952853529 INTERCHANGEABLE
Pin,metering
Goodrich Corporation
5315-00-132-60427601769 INTERCHANGEABLE
Key,machine
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5315-00-145-45557-44-066 INTERCHANGEABLE
Pin,spring
Akron Brass Company
3110-00-155-6174150570 INTERCHANGEABLE
Bearing,ball,annular
Chrysler Realty Company Llc Dba Daimler Chrysler
3110-00-156-8049 INTERCHANGEABLE
Bearing,ball,annular
5930-00-189-1480266-8397-020 INTERCHANGEABLE
Switch,pressure
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5935-00-194-80825135E INTERCHANGEABLE
Connector,plug,electrical
Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
5940-00-242-09497308 INTERCHANGEABLE
Post,binding,electrical
Eby Group, Llc, the Dba Eby Company Div Eby Company
5120-00-293-0316 INTERCHANGEABLE
Wrench,spanner
Cross-Reference Index
Part NumberManufacturer
308MF Skf Usa Inc. (USA)
1308S Hoover Group Inc Ball and Roller Div (USA)
MT308P Fag Bearings Corporation (USA)
1308MF Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
E050668 Bros Inc
303213 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
297378 PRIMARY Acf Industries Inc (USA)
M177 Mack Trucks Inc (USA)
JD7675R John Deere Tractor Works Sub of Deere and Co (USA)
29A308WD Paccar Government Group Co Yarrow Bay Office Pk (USA)
15941 Wausau Equipment Company Llc Dba Schmidt Engineering & Equipment Inc Div Wausau Equipment Llc (USA)
40BL03P Anti-Friction Bearing Mfg Assn Inc the (USA)
359HU Ingersoll Rand Co (USA)
41308P Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
308AZ Skf Usa Inc. (USA)
308MF Arrow-Master, Incorporated (USA)
M6308G Hoover Group Inc Ball and Roller Div (USA)
298093 Acf-Brill Motors Co
308MF Joy Global Underground Mining Llc (USA)
0BR730B Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
Related Parts
5950-00-003-2141INTERCHANGEABLE
COIL,ELECTRICAL
M6308G
1620-00-093-9528INTERCHANGEABLE
PIN,METERING
53529
5315-00-132-6042INTERCHANGEABLE
KEY,MACHINE
7601769
5315-00-145-4555INTERCHANGEABLE
PIN,SPRING
7-44-066
3110-00-155-6174INTERCHANGEABLE
BEARING,BALL,ANNULAR
150570
3110-00-156-8049INTERCHANGEABLE
BEARING,BALL,ANNULAR
5930-00-189-1480INTERCHANGEABLE
SWITCH,PRESSURE
266-8397-020
5935-00-194-8082INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5135E
5940-00-242-0949INTERCHANGEABLE
POST,BINDING,ELECTRICAL
7308
5120-00-293-0316INTERCHANGEABLE
WRENCH,SPANNER
6515-00-334-9900INTERCHANGEABLE
HEMOSTATIC,PEAN
36-2690
3815-00-352-0818INTERCHANGEABLE
TOOTH,SURFACE RIPPING
10349G200T1

Frequently Asked Questions

What is NSN 3110-00-554-5966?

NSN 3110-00-554-5966 is a Bearing,ball,annular, manufactured by Acf Industries Inc, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-554-5966?

NSN 3110-00-554-5966 has 50 cross-referenced part numbers: 308MF (Skf Usa Inc.), 1308S (Hoover Group Inc Ball and Roller Div), MT308P (Fag Bearings Corporation), 1308MF (Schatz Bearing Corporation Dba Schatz Bearing Corp), E050668 (Bros Inc) and 45 more.

What NSN replaces 3110-00-554-5966?

There are 12 known substitutes for 3110-00-554-5966: 5950-00-003-2141, 1620-00-093-9528, 5315-00-132-6042 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 297378?

Key specifications for 297378: Standard Tolerance Designation: AFBMA STD TOLERANCE FOR BALLS, GRADE 5; Load Direction: RADIAL; Style Designator: LOADING GROOVE, NON-SEPARABLE; Material: STEEL OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-554-5966 still in active supply?

NSN 3110-00-554-5966 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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