PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23220CYW33Bearing,roller,self-Aligning

Skf Usa Inc. · NSN 3110-00-278-6800 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-278-6800 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-278-6800. Primary manufacturer part number: 23220CYW33.
Features
  • Bearing,roller,self-Aligning — FSC 3110
  • Bore Diameter: 100.0 MILLIMETERS NOMINAL MM
  • Overall Outside Diameter: 180.0 MILLIMETERS NOMINAL MM
  • Material: STEEL COMP E51100 OR STEEL COMP E52100 INNER RING
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES ROLLER
  • Material: STEEL COMP E51100 OR STEEL COMP E52100 OUTER RING
  • Material: ALUMINUM OR COPPER ALLOY OR STEEL RETAINER
  • Style Designator: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E51100 or Steel Comp E52100 Inner Ring construction
General Description

The Bearing,roller,self-Aligning, cataloged under National Stock Number 3110-00-278-6800, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 13 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
NSN3110-00-278-6800
Primary Part Number23220CYW33
Item NameBearing,roller,self-Aligning
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusCANCELLED
Bore Diameter100.0 MILLIMETERS NOMINAL MM
Overall Outside Diameter180.0 MILLIMETERS NOMINAL MM
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 INNER RING
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES ROLLER
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 OUTER RING
MaterialALUMINUM OR COPPER ALLOY OR STEEL RETAINER
Style DesignatorDOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OUTER RING
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES INNER RING
Bore ShapeSTRAIGHT
Surface FinishGROUND
Standard Tolerance DesignationRBEC NO.1
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 ROLLER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-080-8262 INTERCHANGEABLE
Bearing,roller,self-Aligning
3110-00-087-8224 INTERCHANGEABLE
Bearing,roller,self-Aligning
3110-00-155-9063 INTERCHANGEABLE
Bearing,roller,self-Aligning
3110-00-155-9066 INTERCHANGEABLE
Bearing,roller,self-Aligning
3110-00-156-1423 INTERCHANGEABLE
Bearing,roller,self-Aligning
3110-00-156-1436 INTERCHANGEABLE
Bearing,roller,self-Aligning
3110-00-156-1462 INTERCHANGEABLE
Bearing,roller,self-Aligning
3110-00-165-5996 INTERCHANGEABLE
Bearing,roller,self-Aligning
3110-00-498-0533 INTERCHANGEABLE
Bearing,roller,self-Aligning
3110-00-566-1015 INTERCHANGEABLE
Bearing,roller,self-Aligning
Cross-Reference Index
Part NumberManufacturer
23220CYW33 Skf Usa Inc. (USA)
7341488 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
1-106380-117 Cnh Baumaschinen Gmbh (DEU)
100SD32W33 Timken Aerospace, Inc Dba Torrington Product (USA)
23220-CW33 Skf Usa Inc. (USA)
MS17133 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
23220C Skf Usa Inc. (USA)
10126056 Nimikkeistokeskus Ncb Finland (FIN)
N966-92 Control Flow, Inc. Dba Control Flow Inc (USA)
N966-92 Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA)
MS17133-33 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
23220A Skf Usa Inc. (USA)
SER6743PT15A The Walter Machine Co Inc (USA)
2E3-00295 IT NO 60 Lake Shore Systems, Inc. (USA)
23220HL Fag Bearings Corporation (USA)
23220CC/W33 Skf Usa Inc. (USA)
1-106380-117 Orenstein Und Koppel Aktiengesellschaft (DEU)
23220VJW33 Timken Co Div the Timken Company (USA)
Related Parts
3110-00-080-8262INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
3110-00-087-8224INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
3110-00-155-9063INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
3110-00-155-9066INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
3110-00-156-1423INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
3110-00-156-1436INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
3110-00-156-1462INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
3110-00-165-5996INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
3110-00-498-0533INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
3110-00-566-1015INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
5330-00-707-8823INTERCHANGEABLE
SEAL,PLAIN ENCASED
8728125
3110-00-765-2437INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING

Frequently Asked Questions

What is NSN 3110-00-278-6800?

NSN 3110-00-278-6800 is a Bearing,roller,self-Aligning, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-278-6800?

NSN 3110-00-278-6800 has 18 cross-referenced part numbers: 23220CYW33 (Skf Usa Inc.), 7341488 (U S Army Tank Automotive Command Amsta-Im-Mm), 1-106380-117 (Cnh Baumaschinen Gmbh), 100SD32W33 (Timken Aerospace, Inc Dba Torrington Product), 23220-CW33 (Skf Usa Inc.) and 13 more.

What NSN replaces 3110-00-278-6800?

There are 12 known substitutes for 3110-00-278-6800: 3110-00-080-8262, 3110-00-087-8224, 3110-00-155-9063 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23220CYW33?

Key specifications for 23220CYW33: Bore Diameter: 100.0 MILLIMETERS NOMINAL MM; Overall Outside Diameter: 180.0 MILLIMETERS NOMINAL MM; Material: STEEL COMP E51100 OR STEEL COMP E52100 INNER RING; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES ROLLER. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-278-6800 still in active supply?

NSN 3110-00-278-6800 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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