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Technical Data Sheet
PartsTable / COMPONENT / TFF404
TFF404 ✓ 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: STEEL COMP 440C INNER MEMBER, shank_style: INTERNALLY THREADED W/INSPECTION HOLE, thread_class: 3B, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, overall_length: 1.8720 INCHES NOMINAL IN, hardness_rating: 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM ROD END BODY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-564-4674, 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
TFF404
NSN: 3120-00-564-4674
FSC: 3120
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
materialSTEEL COMP 440C INNER MEMBER
shank_styleINTERNALLY THREADED W/INSPECTION HOLE
thread_class3B
bore_diameter0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
overall_length1.8720 INCHES NOMINAL IN
hardness_rating39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM ROD END BODY
thread_diameter0.312 INCHES NOMINAL IN
style_designatorBALL TYPE
thread_directionRIGHT-HAND
surface_treatmentCADMIUM ROD END BODY
inner_member_width0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
outer_member_width0.3320 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM IN
NSN3120-00-564-4674
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: TFF404 · 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
•
THREAD CLASS: 3B
•
THREAD DIRECTION: RIGHT-HAND
•
BORE CENTER TO SHANK END DISTANCE: 1.4590 INCHES MINIMUM AND 1.4790 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 24
•
SURFACE TREATMENT: CADMIUM ROD END BODY
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF)
•
STYLE DESIGNATOR: BALL TYPE
•
HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM ROD END BODY
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
BORE CENTER TO SHANK END DISTANCE1.4590 INCHES MINIMUM AND 1.4790 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH24
SURFACE TREATMENTCADMIUM ROD END BODY
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
STYLE DESIGNATORBALL TYPE
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM ROD END BODY
MATERIALSTEEL CORROSION RESISTING OR STEEL COMP E4340 ROD END BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
FE4Interchangeable
interchangeable cross-reference
interchangeable
657740Interchangeable
interchangeable cross-reference
interchangeable
YE4Interchangeable
interchangeable cross-reference
interchangeable
FB94Interchangeable
interchangeable cross-reference
interchangeable
AF0177500Interchangeable
interchangeable cross-reference
interchangeable
D8AZ9D697AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TFF404?
TFF404 is a BEARING,PLAIN,ROD END.
What parts can replace TFF404?
There are 6 known substitutes for TFF404: FE4, 657740, YE4 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TFF404?
TFF404 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-564-4674. 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