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Technical Data Sheet
PartsTable / COMPONENT / MS21153-5
MS21153-5 ✓ 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 4130 ROD END BODY, shank_style: INTERNALLY THREADED W/HEXAGON END, thread_class: 3B, bore_diameter: 0.1875 INCHES NOMINAL IN, alignment_type: SELF-ALIGNING, overall_length: 1.7650 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 3110-01-543-3078, 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
MS21153-5
NSN: 3110-01-543-3078
FSC: 3110
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 4130 ROD END BODY
shank_styleINTERNALLY THREADED W/HEXAGON END
thread_class3B
bore_diameter0.1875 INCHES NOMINAL IN
alignment_typeSELF-ALIGNING
overall_length1.7650 INCHES NOMINAL IN
shank_diameter0.3750 INCHES NOMINAL IN
inner_ring_width0.4370 INCHES NOMINAL IN
outer_ring_width0.3280 INCHES NOMINAL IN
style_designatorDOUBLE ROW, STAGGERED, BALL
thread_directionRIGHT-HAND
surface_treatmentZINC AND NICKEL OVERALL
NSN3110-01-543-3078
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MS21153-5 · 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
•
MATERIAL: STEEL COMP E52100 BALL
•
STYLE DESIGNATOR: DOUBLE ROW, STAGGERED, BALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF)
•
SURFACE TREATMENT: ZINC AND NICKEL OVERALL
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-PRF-81322 MIL SPEC SINGLE MATERIAL RESPONSE
•
INNER RING WIDTH: 0.4370 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP E52100 BALL
MATERIALSTEEL COMP 4130 OUTER RACE
STYLE DESIGNATORDOUBLE ROW, STAGGERED, BALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
SURFACE TREATMENTZINC AND NICKEL OVERALL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-PRF-81322 MIL SPEC SINGLE MATERIAL RESPONSE
INNER RING WIDTH0.4370 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.250 INCHES IN
SELF-ALIGNMENT ANGLE10.00 DEGREES MINIMUM
WIDTH ACROSS FLATS0.4380 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
MS21153-4GInterchangeable
interchangeable cross-reference
interchangeable
L2088598-2Interchangeable
interchangeable cross-reference
interchangeable
AN951RE3FL4MILG3278Interchangeable
interchangeable cross-reference
interchangeable
MS21153-1Interchangeable
interchangeable cross-reference
interchangeable
REPB3NInterchangeable
interchangeable cross-reference
interchangeable
REPB3NFS428Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21153-5?
MS21153-5 is a BEARING,BALL,ROD END.
What parts can replace MS21153-5?
There are 24 known substitutes for MS21153-5: MS21153-4G, L2088598-2, AN951RE3FL4MILG3278 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21153-5?
MS21153-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-543-3078. 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