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Technical Data Sheet
PartsTable / COMPONENT / CM-4DX-1
CM-4DX-1 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING,PLAIN,ROD END is a the manufacturer industrial component. Key specifications include material: LUBRICANT LUBRICATION, shank_style: EXTERNALLY THREADED, thread_class: 2A A, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN, overall_length: 1.9375 INCHES NOMINAL IN, thread_diameter: 0.250 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 3120-00-107-0101, 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
CM-4DX-1
NSN: 3120-00-107-0101
FSC: 3120
CAGE: 56644 — TIMKEN AURORA BEARING COMPANY (USA)
SPECIFICATIONS
materialLUBRICANT LUBRICATION
shank_styleEXTERNALLY THREADED
thread_class2A A
bore_diameter0.2495 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN
overall_length1.9375 INCHES NOMINAL IN
thread_diameter0.250 INCHES NOMINAL IN
style_designatorBALL TYPE
thread_directionRIGHT-HAND
inner_member_width0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
outer_member_width0.2760 INCHES MINIMUM AND 0.2812 INCHES MAXIMUM IN
lubrication_featureGROOVE INTERNAL OUTER MEMBER
shank_thread_length1.0000 INCHES NOMINAL IN
NSN3120-00-107-0101
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: CM-4DX-1 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LUBRICATION FEATURE: GROOVE INTERNAL OUTER MEMBER
•
MATERIAL: LUBRICANT LUBRICATION
•
THREAD SERIES DESIGNATOR: UNF
•
THREAD QUANTITY PER INCH: 28
•
THREAD DIAMETER: 0.250 INCHES NOMINAL IN
•
BORE CENTER TO SHANK END DISTANCE: 1.5470 INCHES MINIMUM AND 1.5770 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.9375 INCHES NOMINAL IN
LUBRICATION FEATUREGROOVE INTERNAL OUTER MEMBER
MATERIALLUBRICANT LUBRICATION
THREAD SERIES DESIGNATORUNF
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD QUANTITY PER INCH28
THREAD DIAMETER0.250 INCHES NOMINAL IN
BORE CENTER TO SHANK END DISTANCE1.5470 INCHES MINIMUM AND 1.5770 INCHES MAXIMUM IN
OUTER MEMBER OUTSIDE DIAMETER0.7400 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN
OUTER MEMBER WIDTH0.2760 INCHES MINIMUM AND 0.2812 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
12058Interchangeable
interchangeable cross-reference
interchangeable
BT447Interchangeable
interchangeable cross-reference
interchangeable
MA1747Interchangeable
interchangeable cross-reference
interchangeable
707045Interchangeable
interchangeable cross-reference
interchangeable
50317Interchangeable
interchangeable cross-reference
interchangeable
701216Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CM-4DX-1?
CM-4DX-1 is a BEARING,PLAIN,ROD END.
What parts can replace CM-4DX-1?
There are 8 known substitutes for CM-4DX-1: 12058, BT447, MA1747 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CM-4DX-1?
CM-4DX-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-107-0101. 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