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ST165 — BEARING,STAVE SHAPED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

ST165: BEARING,STAVE SHAPED.

The BEARING,STAVE SHAPED is a the manufacturer industrial component. Key specifications include special_features: 3.3755 IN O.D;2.5105 IN I.D. IN, nominal_overall_length: 10.000 INCHES IN, end_item_identification: ACFT ENG TF-39.

This part is cataloged in the U.S. Government catalog under NSN 3110-00-183-9878, 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
ST165
NSN: 3110-00-183-9878
NIINs: 001839878, 002885055, 011530569
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
special_features3.3755 IN O.D;2.5105 IN I.D. IN
nominal_overall_length10.000 INCHES IN
end_item_identificationACFT ENG TF-39
NSN3110-00-183-9878
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: ST165 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
•
OVERALL OUTSIDE DIAMETER: 2.4375 INCHES MINIMUM AND 2.4380 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: RIGID
•
BORE DIAMETER: 1.8745 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
STYLE DESIGNATORNON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
OVERALL WIDTH0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.4375 INCHES MINIMUM AND 2.4380 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
BORE DIAMETER1.8745 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
43860Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST165?
ST165 is a BEARING,STAVE SHAPED.
What parts can replace ST165?
There is 1 known substitute for ST165: 43860. Substitute compatibility should be verified for your specific system.
What is the NSN for ST165?
ST165 is cataloged in the U.S. Government catalog under NSN 3110-00-183-9878. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.