PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

204SFFCMILG3278Bearing,ball,annular

Skf Usa Inc. · NSN 3110-00-227-2518 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-227-2518 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-227-2518. Primary manufacturer part number: 204SFFCMILG3278.
Features
  • Bearing,ball,annular — FSC 3110
  • Seal Quantity: 2
  • Bore Shape: STRAIGHT
  • Internal Fit-Up Designation: STANDARD
  • Lubrication Material Document and Classification: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
  • Standard Tolerance Designation: ABEC NO.1
  • Surface Finish: GROUND
  • Load Direction: RADIAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-227-2518, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-227-2518
Primary Part Number204SFFCMILG3278
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Seal Quantity2
Bore ShapeSTRAIGHT
Internal Fit-Up DesignationSTANDARD
Lubrication Material Document and ClassificationMIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
Standard Tolerance DesignationABEC NO.1
Surface FinishGROUND
Load DirectionRADIAL
Lubrication MaterialGREASE
Overall Outside Diameter47.00 MILLIMETERS NOMINAL MM
Bore Diameter20.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5905-00-114-7946 INTERCHANGEABLE
Resistor,fixed,wire Wound
5930-00-229-33713292162 INTERCHANGEABLE
Switch,toggle
Hatch & Kirk, Inc.
5310-00-333-74111075652 INTERCHANGEABLE
Washer
Chrysler Realty Company Llc Dba Daimler Chrysler
5330-00-353-61378646 INTERCHANGEABLE
Packing,preformed
Rexnord Holdings Inc
3110-00-549-6524 INTERCHANGEABLE
Bearing,ball,annular
5306-00-939-9596 INTERCHANGEABLE
B0ltxspecial
5120-00-966-5374220588 INTERCHANGEABLE
Nozzle,caulking Gun
Prc - Desoto International, Inc. Dba Prc-Desoto International, Inc Div Asc-Indianapolis
6532-01-074-9218 INTERCHANGEABLE
Smock,medical Assistant's
Cross-Reference Index
Part NumberManufacturer
204SFFCMILG3278 PRIMARY Skf Usa Inc. (USA)
S3504CE1BT2 PRIMARY Nsk Corp Bearing Div (USA)
8646 Rotron Incorporated (USA)
25002 PRIMARY Rotron Incorporated (USA)
Related Parts
5905-00-114-7946INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5930-00-229-3371INTERCHANGEABLE
SWITCH,TOGGLE
3292162
5310-00-333-7411INTERCHANGEABLE
WASHER
1075652
5330-00-353-6137INTERCHANGEABLE
PACKING,PREFORMED
8646
3110-00-549-6524INTERCHANGEABLE
BEARING,BALL,ANNULAR
5306-00-939-9596INTERCHANGEABLE
B0LTXSPECIAL
5120-00-966-5374INTERCHANGEABLE
NOZZLE,CAULKING GUN
220588
6532-01-074-9218INTERCHANGEABLE
SMOCK,MEDICAL ASSISTANT'S

Frequently Asked Questions

What is NSN 3110-00-227-2518?

NSN 3110-00-227-2518 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-227-2518?

NSN 3110-00-227-2518 has 4 cross-referenced part numbers: 204SFFCMILG3278 (Skf Usa Inc.), S3504CE1BT2 (Nsk Corp Bearing Div), 8646 (Rotron Incorporated), 25002 (Rotron Incorporated).

What NSN replaces 3110-00-227-2518?

There are 8 known substitutes for 3110-00-227-2518: 5905-00-114-7946, 5930-00-229-3371, 5310-00-333-7411 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 204SFFCMILG3278?

Key specifications for 204SFFCMILG3278: Seal Quantity: 2; Bore Shape: STRAIGHT; Internal Fit-Up Designation: STANDARD; Special Features: CARTRIDGE TYPE BEARING W/O GREASE PLUG. 12 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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