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Technical Data Sheet
PartsTable / COMPONENT / MS21151-10
MS21151-10 ✓ 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,ROD END is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 BALL, shank_style: EXTERNALLY THREADED, thread_class: 3A A, bore_diameter: 0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN, alignment_type: SELF-ALIGNING, overall_length: 3.0480 INCHES MINIMUM AND 3.0780 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-232-3428, 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
MS21151-10
NSN: 3110-00-232-3428
FSC: 3110
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 BALL
shank_styleEXTERNALLY THREADED
thread_class3A A
bore_diameter0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
seal_quantity2
alignment_typeSELF-ALIGNING
overall_length3.0480 INCHES MINIMUM AND 3.0780 INCHES MAXIMUM IN
shank_diameter0.3750 INCHES NOMINAL IN
inner_ring_width0.8650 INCHES MINIMUM AND 0.8700 INCHES MAXIMUM IN
outer_ring_width0.6460 INCHES MINIMUM AND 0.6660 INCHES MAXIMUM IN
style_designatorDOUBLE ROW, STAGGERED, BALL
thread_directionRIGHT-HAND
NSN3110-00-232-3428
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MS21151-10 · 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
•
BORE DIAMETER: 0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 3A A
•
LUBRICATION MATERIAL: GREASE
•
LENGTH FROM BORE CENTER TO SHANK END: 2.4280 INCHES MINIMUM AND 2.4480 INCHES MAXIMUM IN
•
SEAL QUANTITY: 2
•
INNER RING WIDTH: 0.8650 INCHES MINIMUM AND 0.8700 INCHES MAXIMUM IN
•
OUTER RING WIDTH: 0.6460 INCHES MINIMUM AND 0.6660 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A A
LUBRICATION MATERIALGREASE
LENGTH FROM BORE CENTER TO SHANK END2.4280 INCHES MINIMUM AND 2.4480 INCHES MAXIMUM IN
SEAL QUANTITY2
INNER RING WIDTH0.8650 INCHES MINIMUM AND 0.8700 INCHES MAXIMUM IN
OUTER RING WIDTH0.6460 INCHES MINIMUM AND 0.6660 INCHES MAXIMUM IN
SELF-ALIGNMENT ANGLE10.00 DEGREES NOMINAL
ALIGNMENT TYPESELF-ALIGNING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
AN946RE3M6AInterchangeable
interchangeable cross-reference
interchangeable
REP3M6AFS464Interchangeable
interchangeable cross-reference
interchangeable
MS51151-3Interchangeable
interchangeable cross-reference
interchangeable
RA3M4-2Interchangeable
interchangeable cross-reference
interchangeable
MS21151-6GInterchangeable
interchangeable cross-reference
interchangeable
25704-281210-12-0Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21151-10?
MS21151-10 is a BEARING,BALL,ROD END.
What parts can replace MS21151-10?
There are 24 known substitutes for MS21151-10: AN946RE3M6A, REP3M6AFS464, MS51151-3 and 21 more. Substitute compatibility should be verified for your specific system.
Is MS21151-10 still available?
MS21151-10 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