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Technical Data Sheet
PartsTable / COMPONENT / MS21151-7C
MS21151-7C ✓ 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 INNER RING, shank_style: EXTERNALLY THREADED, thread_class: 3A A, bore_diameter: 0.1897 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN, alignment_type: SELF-ALIGNING, overall_length: 2.3540 INCHES MINIMUM AND 2.3640 INCHES MAXIMUM 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 3110-00-625-9295, 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
MS21151-7C
NSN: 3110-00-625-9295
FSC: 3110
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP E52100 INNER RING
shank_styleEXTERNALLY THREADED
thread_class3A A
bore_diameter0.1897 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
seal_quantity2
alignment_typeSELF-ALIGNING
overall_length2.3540 INCHES MINIMUM AND 2.3640 INCHES MAXIMUM IN
shank_diameter0.2500 INCHES MAXIMUM IN
inner_ring_width0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
outer_ring_width0.3180 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM IN
special_featuresFILLED WITH 80 PCT OF SPECIFIED LUBRICANT,NAS513 KEYWAY SLOT
style_designatorDOUBLE ROW, STAGGERED, BALL
NSN3110-00-625-9295
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MS21151-7C · 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
•
STYLE DESIGNATOR: DOUBLE ROW, STAGGERED, BALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF)
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE SEAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE BALL
•
SURFACE TREATMENT: CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORDOUBLE ROW, STAGGERED, BALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE BALL
SURFACE TREATMENTCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
MATERIALSTEEL COMP E52100 OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE OUTER RING
MATERIALSTEEL COMP E52100 BALL
MATERIALSTEEL COMP E52100 INNER RING
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
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21151-7C?
MS21151-7C is a BEARING,BALL,ROD END.
What parts can replace MS21151-7C?
There are 24 known substitutes for MS21151-7C: AN946RE3M6A, REP3M6AFS464, MS51151-3 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21151-7C?
MS21151-7C is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-625-9295. 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