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Technical Data Sheet
PartsTable / COMPONENT / A340X7
A340X7 ✓ 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 BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include bore_diameter: 0.8750 INCHES NOMINAL IN, overall_width: 0.7500 INCHES NOMINAL IN, alignment_type: RIGID, style_designator: NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND, lubrication_material: OIL LUBRICATING, overall_outside_diameter: 1.3750 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 3110-00-120-3310, 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
A340X7
NSN: 3110-00-120-3310
FSC: 3110
CAGE: 43491 — GENERAL SIGNAL CORP (USA)
SPECIFICATIONS
bore_diameter0.8750 INCHES NOMINAL IN
overall_width0.7500 INCHES NOMINAL IN
alignment_typeRIGID
style_designatorNON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
lubrication_materialOIL LUBRICATING
overall_outside_diameter1.3750 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-120-3310
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A340X7 · 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
•
STYLE DESIGNATOR: NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
ALIGNMENT TYPE: RIGID
•
LUBRICATION MATERIAL: OIL LUBRICATING
•
OVERALL OUTSIDE DIAMETER: 1.3750 INCHES NOMINAL IN
•
BORE DIAMETER: 0.8750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORNON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
ALIGNMENT TYPERIGID
LUBRICATION MATERIALOIL LUBRICATING
OVERALL WIDTH0.7500 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.3750 INCHES NOMINAL IN
BORE DIAMETER0.8750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
2331Interchangeable
interchangeable cross-reference
interchangeable
7173Interchangeable
interchangeable cross-reference
interchangeable
BK12930-68Interchangeable
interchangeable cross-reference
interchangeable
20503Interchangeable
interchangeable cross-reference
interchangeable
SRNTC125Interchangeable
interchangeable cross-reference
interchangeable
MW1453Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A340X7?
A340X7 is a BEARING,ROLLER,NEEDLE.
What parts can replace A340X7?
There are 15 known substitutes for A340X7: 2331, 7173, BK12930-68 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A340X7?
A340X7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-120-3310. 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