PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6203-2RSRBBearing,ball,annular

Skf Usa Inc. · NSN 3110-01-042-2908 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-042-2908 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-042-2908. Primary manufacturer part number: 6203-2RSRB.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL OUTER RING
  • Special Test Features: SPECIAL QUALITY CONTROL TESTING
  • Material: RUBBER SYNTHETIC SEAL
  • Load Direction: RADIAL
  • Lubrication Material: GREASE
  • Bore Shape: STRAIGHT
  • Criticality Code Justification: ZZZY
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 3110-01-042-2908, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-042-2908
Primary Part Number6203-2RSRB
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
MaterialSTEEL OUTER RING
Special Test FeaturesSPECIAL QUALITY CONTROL TESTING
MaterialRUBBER SYNTHETIC SEAL
Load DirectionRADIAL
Lubrication MaterialGREASE
Bore ShapeSTRAIGHT
Criticality Code JustificationZZZY
Surface FinishGROUND
Bearing Seal TypeCONTACT
Internal Fit-Up DesignationSTANDARD
Standard Tolerance DesignationABEC NO.1
Retainer Fabrication MethodPRESSED
Seal Quantity2
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
MaterialSTEEL RETAINER
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL INNER RING
MaterialSTEEL BALL
Test Data Document81349-MIL-P-21299 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Overall Outside Diameter40.0 MILLIMETERS NOMINAL MM
Lubrication Material Document and ClassificationMIL-L-15719 MIL SPEC SINGLE MATERIAL RESPONSE
Bore Diameter17.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-278-7323 INTERCHANGEABLE
Bearing,ball,annular
6665-01-606-1872225-396 INTERCHANGEABLE
Sampling Head,particulate Sample
Skc Inc
Cross-Reference Index
Part NumberManufacturer
6203-2RSRB Skf Usa Inc. (USA)
22539-6 Ward Leonard Ct Llc (USA)
Related Parts
3110-00-278-7323INTERCHANGEABLE
BEARING,BALL,ANNULAR
6665-01-606-1872INTERCHANGEABLE
SAMPLING HEAD,PARTICULATE SAMPLE
225-396

Frequently Asked Questions

What is NSN 3110-01-042-2908?

NSN 3110-01-042-2908 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 3110-01-042-2908?

NSN 3110-01-042-2908 has 2 cross-referenced part numbers: 6203-2RSRB (Skf Usa Inc.), 22539-6 (Ward Leonard Ct Llc).

What NSN replaces 3110-01-042-2908?

There are 2 known substitutes for 3110-01-042-2908: 3110-00-278-7323, 6665-01-606-1872. Verify interchangeability with system specifications before substitution.

What are the specifications of 6203-2RSRB?

Key specifications for 6203-2RSRB: Material: STEEL OUTER RING; Special Test Features: SPECIAL QUALITY CONTROL TESTING; Material: RUBBER SYNTHETIC SEAL; Load Direction: RADIAL. 23 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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