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PartsTable / COMPONENT / 51-601-978-022
51-601-978-022 ✓ 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 color: GREEN, diameter: 0.128 INCHES NOMINAL IN, material: PLASTIC OVERALL, tab_width: 0.188 INCHES IN, body_width: 2.158 INCHES NOMINAL IN, body_length: 2.050 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 3110-00-144-8959, 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
51-601-978-022
NSN: 3110-00-144-8959
FSC: 3110
CAGE: 92392 — ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
colorGREEN
diameter0.128 INCHES NOMINAL IN
materialPLASTIC OVERALL
tab_width0.188 INCHES IN
body_width2.158 INCHES NOMINAL IN
body_length2.050 INCHES NOMINAL IN
belt_quantity2
body_materialMETAL
handle_length31.500 INCHES NOMINAL IN
overall_width0.280 INCHES NOMINAL IN
inclosure_typeENCASED
overall_height8.000 INCHES NOMINAL IN
NSN3110-00-144-8959
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 51-601-978-022 · 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 25
72-6970-322Interchangeable
interchangeable cross-reference
interchangeable
271963Interchangeable
interchangeable cross-reference
interchangeable
804Interchangeable
interchangeable cross-reference
interchangeable
3322Interchangeable
interchangeable cross-reference
interchangeable
31322TYPEDInterchangeable
interchangeable cross-reference
interchangeable
SA284SPN11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51-601-978-022?
51-601-978-022 is a BEARING,BALL,ANNULAR.
What parts can replace 51-601-978-022?
There are 25 known substitutes for 51-601-978-022: 72-6970-322, 271963, 804 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51-601-978-022?
51-601-978-022 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8959. 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