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Technical Data Sheet
PartsTable / COMPONENT / G1108KLLB+COLFS381A
G1108KLLB+COLFS381A ✓ 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 G1108KLLB+COLFS381A is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-108-3813, 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
G1108KLLB+COLFS381A
NSN: 3110-00-108-3813
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
Part NumberG1108KLLB+COLFS381A
NSN3110-00-108-3813
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: G1108KLLB+COLFS381A · 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
•
MATERIAL: STEEL INNER RING
•
STYLE DESIGNATOR: SINGLE ROW BALL, EXTERNAL SELF-ALIGNING, INNER RING EXTENDED BOTH SIDES, WITH ECCENTRIC LOCKING COLLAR
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
OUTER RING WIDTH: 21.00 MILLIMETERS NOMINAL MM
•
LUBRICATION MATERIAL: GREASE
•
BEARING SEAL TYPE: LABYRINTH
•
SEAL QUANTITY: 2
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL INNER RING
STYLE DESIGNATORSINGLE ROW BALL, EXTERNAL SELF-ALIGNING, INNER RING EXTENDED BOTH SIDES, WITH ECCENTRIC LOCKING COLLAR
INTERNAL FIT-UP DESIGNATIONSTANDARD
OUTER RING WIDTH21.00 MILLIMETERS NOMINAL MM
LUBRICATION MATERIALGREASE
BEARING SEAL TYPELABYRINTH
SEAL QUANTITY2
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SPECIAL FEATURESLUBRICATION HOLE IN OUTER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
W220214Interchangeable
interchangeable cross-reference
interchangeable
40AInterchangeable
interchangeable cross-reference
interchangeable
40A-3210WInterchangeable
interchangeable cross-reference
interchangeable
SMC416777Interchangeable
interchangeable cross-reference
interchangeable
712399-013Interchangeable
interchangeable cross-reference
interchangeable
457-0016-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G1108KLLB+COLFS381A?
G1108KLLB+COLFS381A is a G1108KLLB+COLFS381A.
What parts can replace G1108KLLB+COLFS381A?
There are 20 known substitutes for G1108KLLB+COLFS381A: W220214, 40A, 40A-3210W and 17 more. Substitute compatibility should be verified for your specific system.
Is G1108KLLB+COLFS381A still available?
G1108KLLB+COLFS381A 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