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Technical Data Sheet
PartsTable / COMPONENT / 905-308
905-308 ✓ 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

The PUMP,COOLING SYSTEM,ENGINE is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include special_features: ENGINE COOLING SYSTEM COMPONENTS,NONAIRCRAFT, end_item_identification: SEE NSN 2815-01-184-9118. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-7889, 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
905-308
NSN: 3110-00-156-7889
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
special_featuresENGINE COOLING SYSTEM COMPONENTS,NONAIRCRAFT
end_item_identificationSEE NSN 2815-01-184-9118
NSN3110-00-156-7889
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 905-308 · 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
•
BORE DIAMETER: 40.00 MILLIMETERS NOMINAL MM
•
LOAD DIRECTION: ANGULAR
•
LUBRICATION MATERIAL: LUBRICANT
•
INTERNAL FIT-UP CONTACT ANGULAR DIRECTION: OUTWARD CONVERGENT
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
BORE SHAPE: STRAIGHT
•
SURFACE FINISH: GROUND
•
INTERNAL FIT-UP DESIGNATION: STANDARD
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER40.00 MILLIMETERS NOMINAL MM
LOAD DIRECTIONANGULAR
LUBRICATION MATERIALLUBRICANT
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONOUTWARD CONVERGENT
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONSTANDARD
OVERALL OUTSIDE DIAMETER90.00 MILLIMETERS NOMINAL MM
OVERALL WIDTH1.4380 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
3089Interchangeable
interchangeable cross-reference
interchangeable
BP3454Interchangeable
interchangeable cross-reference
interchangeable
0N020288Interchangeable
interchangeable cross-reference
interchangeable
5308Interchangeable
interchangeable cross-reference
interchangeable
1B7867Interchangeable
interchangeable cross-reference
interchangeable
BCA5308Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 905-308?
905-308 is a PUMP,COOLING SYSTEM,ENGINE.
What parts can replace 905-308?
There are 25 known substitutes for 905-308: 3089, BP3454, 0N020288 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 905-308?
905-308 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-7889. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026