PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 288946
288946 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

FAN CLUTCH ASSEMBLY,ENGINE COOLI. Key specifications include end_item_identification: 2320-01-125-2640. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-106-3530, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
288946
NSN: 3110-00-106-3530
FSC: 3110
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
end_item_identification2320-01-125-2640
NSN3110-00-106-3530
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 288946 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
INNER RING WIDTH: 1.2003 INCHES MINIMUM AND 1.2043 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP E52100 ROLLER
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE ROLLER
•
STANDARD TOLERANCE DESIGNATION: RBEC NO.1
•
INTERNAL CLEARANCE: 0.0020 INCHES MINIMUM RADIAL AND 0.0036 INCHES MAXIMUM RADIAL IN
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS (FLIS)
INNER RING WIDTH1.2003 INCHES MINIMUM AND 1.2043 INCHES MAXIMUM IN
MATERIALSTEEL COMP E52100 ROLLER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE ROLLER
MATERIALSTEEL COMP E52100 INNER RING
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
MATERIALSTEEL COMP E52100 OUTER RING
INTERNAL CLEARANCE0.0020 INCHES MINIMUM RADIAL AND 0.0036 INCHES MAXIMUM RADIAL IN
MATERIALCOPPER ALLOY RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
SPECIAL FEATURESENGINEERING CRITICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
32829Interchangeable
interchangeable cross-reference
interchangeable
SK4146-4Interchangeable
interchangeable cross-reference
interchangeable
GGG-B-191 TY3CL2Interchangeable
interchangeable cross-reference
interchangeable
GGG-B-191Interchangeable
interchangeable cross-reference
interchangeable
MS16560-2Interchangeable
interchangeable cross-reference
interchangeable
288946Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 288946?
288946 is a FAN CLUTCH ASSEMBLY,ENGINE COOLI.
What parts can replace 288946?
There are 8 known substitutes for 288946: 32829, SK4146-4, GGG-B-191 TY3CL2 and 5 more. Substitute compatibility should be verified for your specific system.
Is 288946 still available?
288946 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026