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ITI649 ✓ 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,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL BALL, bore_shape: STRAIGHT, flange_width: 0.0650 INCHES NOMINAL IN, bore_diameter: 1.8127 INCHES MINIMUM AND 1.8133 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-289-6573, 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
ITI649
NSN: 3110-00-289-6573
FSC: 3110
CAGE: 96577 — SKF USA INC (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
flange_width0.0650 INCHES NOMINAL IN
bore_diameter1.8127 INCHES MINIMUM AND 1.8133 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
inner_ring_width0.2395 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM IN
outer_ring_width0.2340 INCHES MINIMUM AND 0.2350 INCHES MAXIMUM IN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0010 INCHES MINIMUM AXIAL AND 0.0030 INCHES MAXIMUM AXIAL IN
flange_outside_diameter2.3750 INCHES NOMINAL IN
outer_ring_outside_diameter2.2492 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN
NSN3110-00-289-6573
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: ITI649 · 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
•
INTERNAL CLEARANCE: 0.0010 INCHES MINIMUM AXIAL AND 0.0030 INCHES MAXIMUM AXIAL IN
•
BORE DIAMETER: 1.8127 INCHES MINIMUM AND 1.8133 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OUTER RING
•
SURFACE FINISH: GROUND
•
FLANGE WIDTH: 0.0650 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL CLEARANCE0.0010 INCHES MINIMUM AXIAL AND 0.0030 INCHES MAXIMUM AXIAL IN
BORE DIAMETER1.8127 INCHES MINIMUM AND 1.8133 INCHES MAXIMUM IN
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
MATERIALCOPPER ALLOY RETAINER
SURFACE FINISHGROUND
FLANGE WIDTH0.0650 INCHES NOMINAL IN
INNER RING WIDTH0.2395 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM IN
OUTER RING OUTSIDE DIAMETER2.2492 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
NARVAR GRADEA 5/8IN BLACK B-A-1Interchangeable
interchangeable cross-reference
interchangeable
HYGRADE VF 5/8IN BLACK B-A-1Interchangeable
interchangeable cross-reference
interchangeable
8034660-1478Interchangeable
interchangeable cross-reference
interchangeable
649Interchangeable
interchangeable cross-reference
interchangeable
NATVAR GRADEA 8AWG BLACK B-A-1Interchangeable
interchangeable cross-reference
interchangeable
152-1371-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ITI649?
ITI649 is a BEARING,BALL,ANNULAR.
What parts can replace ITI649?
There are 11 known substitutes for ITI649: NARVAR GRADEA 5/8IN BLACK B-A-1, HYGRADE VF 5/8IN BLACK B-A-1, 8034660-1478 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ITI649?
ITI649 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-289-6573. 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