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Technical Data Sheet
PartsTable / COMPONENT / 6311-2Z/LHT64
6311-2Z/LHT64 ✓ 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 6311-2Z/LHT64 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-070-1915, 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
6311-2Z/LHT64
NSN: 3110-00-070-1915
FSC: 3110
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
Part Number6311-2Z/LHT64
NSN3110-00-070-1915
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 6311-2Z/LHT64 · 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: 120.00 MILLIMETERS NOMINAL MM
•
SHIELD QUANTITY: 2
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
SURFACE FINISH: GROUND
•
BORE DIAMETER: 55.00 MILLIMETERS NOMINAL MM
•
LUBRICATION MATERIAL: GREASE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER120.00 MILLIMETERS NOMINAL MM
SHIELD QUANTITY2
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
SURFACE FINISHGROUND
BORE DIAMETER55.00 MILLIMETERS NOMINAL MM
LUBRICATION MATERIALGREASE
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
311FFInterchangeable
interchangeable cross-reference
interchangeable
46AX280Interchangeable
interchangeable cross-reference
interchangeable
217249-2Interchangeable
interchangeable cross-reference
interchangeable
S386P420G01Interchangeable
Same NIIN cross-reference
interchangeable
6311-2ZJLKInterchangeable
Same NIIN cross-reference
interchangeable
386P420G01Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6311-2Z/LHT64?
6311-2Z/LHT64 is a 6311-2Z/LHT64.
What parts can replace 6311-2Z/LHT64?
There are 8 known substitutes for 6311-2Z/LHT64: 311FF, 46AX280, 217249-2 and 5 more. Substitute compatibility should be verified for your specific system.
Is 6311-2Z/LHT64 still available?
6311-2Z/LHT64 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