PartsTable
Technical Data Sheet
STC448 ✓ 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 ROD END BODY, shank_style: INTERNALLY THREADED W/ HEXAGON END, thread_class: 2B, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN, overall_length: 1.6870 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 3120-00-781-0705, 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
STC448
NSN: 3120-00-781-0705
FSC: 3120
CAGE: 81381 — STEWART & STEVENSON POWER PRODUCTS LLC (USA)
SPECIFICATIONS
materialSTEEL ROD END BODY
shank_styleINTERNALLY THREADED W/ HEXAGON END
thread_class2B
bore_diameter0.2495 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN
overall_length1.6870 INCHES NOMINAL IN
thread_diameter0.250 INCHES NOMINAL IN
style_designatorBALL TYPE
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
inner_member_width0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN
outer_member_width0.2810 INCHES MAXIMUM IN
shank_thread_length0.7500 INCHES NOMINAL IN
NSN3120-00-781-0705
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: STC448 · 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 QUANTITY PER INCH: 28
THREAD DIRECTION: RIGHT-HAND
SHANK WIDTH ACROSS WRENCH FLATS: 0.4680 INCHES NOMINAL IN
STYLE DESIGNATOR: BALL TYPE
SURFACE TREATMENT: CADMIUM OVERALL
THREAD SERIES DESIGNATOR: UNF
MATERIAL: STEEL ROD END BODY
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH28
THREAD DIRECTIONRIGHT-HAND
SHANK WIDTH ACROSS WRENCH FLATS0.4680 INCHES NOMINAL IN
STYLE DESIGNATORBALL TYPE
SURFACE TREATMENTCADMIUM OVERALL
THREAD SERIES DESIGNATORUNF
MATERIALSTEEL ROD END BODY
MATERIALSTEEL INNER MEMBER
THREAD CLASS2B
INNER MEMBER WIDTH0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
7405270Interchangeable
interchangeable cross-reference
interchangeable
SF4-6AInterchangeable
interchangeable cross-reference
interchangeable
FR4MILG3278Interchangeable
interchangeable cross-reference
interchangeable
EG873Interchangeable
interchangeable cross-reference
interchangeable
EG-758Interchangeable
interchangeable cross-reference
interchangeable
EG-818Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is STC448?
STC448 is a BEARING,PLAIN,ROD END.
What parts can replace STC448?
There are 7 known substitutes for STC448: 7405270, SF4-6A, FR4MILG3278 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for STC448?
STC448 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-781-0705. This indicates validated use in U.S. government and defense supply chains.
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