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Technical Data Sheet
PartsTable / COMPONENT / GW18
GW18 ✓ 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 ROLLER,BEARING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY AND RUBBER OVERALL, overall_length: 1.2500 INCHES NOMINAL IN, style_designator: CYLINDRICAL ROLLER, FLAT ENDS, rolling_element_diameter: 2.0620 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-051-8042, 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
GW18
NSN: 3110-00-051-8042
FSC: 3110
CAGE: 1Z473 — PAKON INC DBA IMPAK DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND RUBBER OVERALL
overall_length1.2500 INCHES NOMINAL IN
style_designatorCYLINDRICAL ROLLER, FLAT ENDS
rolling_element_diameter2.0620 INCHES NOMINAL IN
NSN3110-00-051-8042
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: GW18 · 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
•
ROLLING ELEMENT DIAMETER: 2.0620 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY AND RUBBER OVERALL
•
STYLE DESIGNATOR: CYLINDRICAL ROLLER, FLAT ENDS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.2500 INCHES NOMINAL IN
ROLLING ELEMENT DIAMETER2.0620 INCHES NOMINAL IN
MATERIALCOPPER ALLOY AND RUBBER OVERALL
STYLE DESIGNATORCYLINDRICAL ROLLER, FLAT ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
SAE J246 6-2 120203BAInterchangeable
interchangeable cross-reference
interchangeable
205426Interchangeable
interchangeable cross-reference
interchangeable
J246Interchangeable
interchangeable cross-reference
interchangeable
RG58AUInterchangeable
interchangeable cross-reference
interchangeable
1080H38H39Interchangeable
interchangeable cross-reference
interchangeable
RG58C-UInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GW18?
GW18 is a ROLLER,BEARING.
What parts can replace GW18?
There are 19 known substitutes for GW18: SAE J246 6-2 120203BA, 205426, J246 and 16 more. Substitute compatibility should be verified for your specific system.
Is GW18 still available?
GW18 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