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Technical Data Sheet
PartsTable / COMPONENT / 251875
251875 ✓ 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 CLUTCH,POSITIVE,NONVEHICULAR is a the manufacturer industrial component. Key specifications include material: STEEL RETAINER, bore_shape: STRAIGHT, bore_diameter: 9.00 MILLIMETERS NOMINAL MM, overall_width: 9.0 MILLIMETERS NOMINAL MM, 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 3110-00-100-0649, 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
251875
NSN: 3110-00-100-0649
FSC: 3110
CAGE: 01957 — ACF INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL RETAINER
bore_shapeSTRAIGHT
bore_diameter9.00 MILLIMETERS NOMINAL MM
overall_width9.0 MILLIMETERS NOMINAL MM
seal_quantity2
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
lubrication_materialGREASE
overall_outside_diameter32.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
NSN3110-00-100-0649
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 251875 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
T43D-10MEGOHM-1PCTInterchangeable
interchangeable cross-reference
interchangeable
596Interchangeable
interchangeable cross-reference
interchangeable
M43D10M0HMP0RM1PCTInterchangeable
interchangeable cross-reference
interchangeable
K596Interchangeable
interchangeable cross-reference
interchangeable
AA59649-633Interchangeable
interchangeable cross-reference
interchangeable
FFB187/01-633Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 251875?
251875 is a CLUTCH,POSITIVE,NONVEHICULAR.
What parts can replace 251875?
There are 22 known substitutes for 251875: T43D-10MEGOHM-1PCT, 596, M43D10M0HMP0RM1PCT and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 251875?
251875 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0649. 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