PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6204YC78D0Bearing,ball,annular

Skf Usa Inc. · NSN 3110-00-100-2422 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-2422 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-2422. Primary manufacturer part number: 6204YC78D0.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Standard Tolerance Designation: ABEC NO.5
  • Internal Fit-Up Designation: STANDARD
  • Material: STEEL OUTER RING
  • Material: STEEL INNER RING
  • Bore Shape: STRAIGHT
  • Material: STEEL BALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-100-2422, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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
NSN3110-00-100-2422
Primary Part Number6204YC78D0
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusCANCELLED
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.5
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL OUTER RING
MaterialSTEEL INNER RING
Bore ShapeSTRAIGHT
MaterialSTEEL BALL
MaterialCOPPER ALLOY RETAINER
Overall Outside Diameter47.00 MILLIMETERS NOMINAL MM
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Load DirectionRADIAL
Bore Diameter20.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-0296363 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Bearings Incorporated Div West Trenton Division
3110-00-100-0298258778 INTERCHANGEABLE
Cup,tapered Roller Bearing
Acf Industries Inc
3110-00-100-0495120800 INTERCHANGEABLE
Cup,tapered Roller Bearing
General Motors Llc Dba General Motors Llc
3110-00-100-0664644 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3110-00-100-0706 INTERCHANGEABLE
Cone and Rollers,tapered Roller
3110-00-100-07262507 INTERCHANGEABLE
Cone and Rollers,tapered Roller
L & L Boiler Maintenance Inc
3110-00-100-4226 INTERCHANGEABLE
Bearing,roller,tapered
3110-00-100-550274500-74850 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
3110-00-100-583178250-78551 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
3110-00-101-6493 INTERCHANGEABLE
Bearing,roller,tapered
Cross-Reference Index
Part NumberManufacturer
6204YC78D0 PRIMARY Skf Usa Inc. (USA)
6204YC786 PRIMARY Skf Usa Inc. (USA)
6204YC78 PRIMARY Skf Usa Inc. (USA)
MM204KBR PRIMARY Timken Co Div the Timken Company (USA)
FF-B-187B Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A8836673-2 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
Related Parts
3110-00-100-0296INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
363
3110-00-100-0298INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
258778
3110-00-100-0495INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
120800
3110-00-100-0664INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
644
3110-00-100-0706INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3110-00-100-0726INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2507
3110-00-100-4226INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-100-5502INTERCHANGEABLE
BEARING,ROLLER,TAPERED
74500-74850
3110-00-100-5831INTERCHANGEABLE
BEARING,ROLLER,TAPERED
78250-78551
3110-00-101-6493INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-142-4347INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
355X
3110-00-142-4377INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
672D

Frequently Asked Questions

What is NSN 3110-00-100-2422?

NSN 3110-00-100-2422 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-100-2422?

NSN 3110-00-100-2422 has 6 cross-referenced part numbers: 6204YC78D0 (Skf Usa Inc.), 6204YC786 (Skf Usa Inc.), 6204YC78 (Skf Usa Inc.), MM204KBR (Timken Co Div the Timken Company), FF-B-187B (Federal Specifications Promulgated by General Services Administration Washington DC) and 1 more.

What NSN replaces 3110-00-100-2422?

There are 12 known substitutes for 3110-00-100-2422: 3110-00-100-0296, 3110-00-100-0298, 3110-00-100-0495 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6204YC78D0?

Key specifications for 6204YC78D0: Overall Width: 14.0 MILLIMETERS NOMINAL MM; Surface Finish: GROUND; Standard Tolerance Designation: ABEC NO.5; Internal Fit-Up Designation: STANDARD. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-2422 still in active supply?

NSN 3110-00-100-2422 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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