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Technical Data Sheet
PartsTable / COMPONENT / 6303-2RS/LHT55
6303-2RS/LHT55 ✓ 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 6303-2RS/LHT55 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-114-5995, 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
6303-2RS/LHT55
NSN: 3110-00-114-5995
FSC: 3110
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
Part Number6303-2RS/LHT55
NSN3110-00-114-5995
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 6303-2RS/LHT55 · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
MATERIAL: STEEL BALL
•
LUBRICATION MATERIAL: GREASE
•
SEAL QUANTITY: 2
•
SURFACE FINISH: GROUND
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL FIT-UP DESIGNATIONSTANDARD
MATERIALSTEEL BALL
LUBRICATION MATERIALGREASE
SEAL QUANTITY2
SURFACE FINISHGROUND
MATERIALRUBBER SYNTHETIC SEAL
MATERIALSTEEL INNER RING
LOAD DIRECTIONRADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL OUTSIDE DIAMETER47.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
55-0382-3325CSInterchangeable
interchangeable cross-reference
interchangeable
20-2332Interchangeable
interchangeable cross-reference
interchangeable
102-332Interchangeable
interchangeable cross-reference
interchangeable
2173847Interchangeable
interchangeable cross-reference
interchangeable
101-559Interchangeable
interchangeable cross-reference
interchangeable
A-51048Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6303-2RS/LHT55?
6303-2RS/LHT55 is a 6303-2RS/LHT55.
What parts can replace 6303-2RS/LHT55?
There are 18 known substitutes for 6303-2RS/LHT55: 55-0382-3325CS, 20-2332, 102-332 and 15 more. Substitute compatibility should be verified for your specific system.
Is 6303-2RS/LHT55 still available?
6303-2RS/LHT55 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