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Technical Data Sheet
PartsTable / COMPONENT / RA-307
RA-307 ✓ 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

SUPPORT,TURBINE COMPONENT,AIRCRA. Key specifications include overall_length: 1.3750 INCHES NOMINAL IN, special_features: ROLLER TYPE: SPIRAL, overall_outside_diameter: 2.7500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-158-8613, 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
RA-307
NSN: 3110-00-158-8613
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
overall_length1.3750 INCHES NOMINAL IN
special_featuresROLLER TYPE: SPIRAL
overall_outside_diameter2.7500 INCHES NOMINAL IN
NSN3110-00-158-8613
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RA-307 · 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
•
OVERALL OUTSIDE DIAMETER: 2.7500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.3750 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.7500 INCHES NOMINAL IN
SPECIAL FEATURESROLLER TYPE: SPIRAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
887472376Interchangeable
interchangeable cross-reference
interchangeable
60F-02Interchangeable
interchangeable cross-reference
interchangeable
472376Interchangeable
interchangeable cross-reference
interchangeable
411706Interchangeable
interchangeable cross-reference
interchangeable
11109Interchangeable
interchangeable cross-reference
interchangeable
436-6603215FINDAY-1-100Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RA-307?
RA-307 is a SUPPORT,TURBINE COMPONENT,AIRCRA.
What parts can replace RA-307?
There are 10 known substitutes for RA-307: 887472376, 60F-02, 472376 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RA-307?
RA-307 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-158-8613. 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