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PartsTable / COMPONENT / 2640-630X2 PIEC
2640-630X2 PIEC ✓ 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 material: STEEL OUTER RING, bore_diameter: 0.7500 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, inner_ring_width: 1.5625 INCHES NOMINAL IN, outer_ring_width: 1.5000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-902-9334, 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
2640-630X2 PIEC
NSN: 3110-00-902-9334
FSC: 3110
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_diameter0.7500 INCHES NOMINAL IN
seal_quantity2
alignment_typeRIGID
surface_finishGROUND
inner_ring_width1.5625 INCHES NOMINAL IN
outer_ring_width1.5000 INCHES NOMINAL IN
special_featuresOIL HOLE AND GROOVE INNER RING
style_designatorAIRFRAME, HARDENED AND GROUND, NON-SEPARABLE
bearing_seal_typeCONTACT
surface_treatmentCADMIUM EXPOSED SURFACES AS MOUNTED
overall_outside_diameter2.5000 INCHES NOMINAL IN
NSN3110-00-902-9334
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2640-630X2 PIEC · 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
•
OUTER RING WIDTH: 1.5000 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 2.5000 INCHES NOMINAL IN
•
BEARING SEAL TYPE: CONTACT
•
BORE DIAMETER: 0.7500 INCHES NOMINAL IN
•
MATERIAL: STEEL OUTER RING
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
TECHNICAL CHARACTERISTICS (FLIS)
OUTER RING WIDTH1.5000 INCHES NOMINAL IN
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER2.5000 INCHES NOMINAL IN
BEARING SEAL TYPECONTACT
BORE DIAMETER0.7500 INCHES NOMINAL IN
MATERIALSTEEL OUTER RING
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
SPECIAL FEATURESOIL HOLE AND GROOVE INNER RING
SURFACE TREATMENTCADMIUM EXPOSED SURFACES AS MOUNTED
MATERIALSTEEL ROLLER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
CYR2 1-2SInterchangeable
interchangeable cross-reference
interchangeable
10000025Interchangeable
interchangeable cross-reference
interchangeable
701-6077995 ITEM 27Interchangeable
interchangeable cross-reference
interchangeable
CYR-2 1/2-SInterchangeable
interchangeable cross-reference
interchangeable
4648134Interchangeable
interchangeable cross-reference
interchangeable
510161Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2640-630X2 PIEC?
2640-630X2 PIEC is a BEARING,ROLLER,NEEDLE.
What parts can replace 2640-630X2 PIEC?
There are 8 known substitutes for 2640-630X2 PIEC: CYR2 1-2S, 10000025, 701-6077995 ITEM 27 and 5 more. Substitute compatibility should be verified for your specific system.
Is 2640-630X2 PIEC still available?
2640-630X2 PIEC 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