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SF66-5 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

SF66-5: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.3839 INCHES MINIMUM AND 0.3843 INCHES MAXIMUM IN, overall_width: 0.5910 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-6718, 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
SF66-5
NSN: 3110-00-156-6718
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.3839 INCHES MINIMUM AND 0.3843 INCHES MAXIMUM IN
overall_width0.5910 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter2.0472 INCHES MINIMUM AND 2.0478 INCHES MAXIMUM IN
internal_fit-up_designationSTANDARD
nondefinitive_spec/std_data132 TYPE AND 00 GRADE
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-156-6718
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SF66-5 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 2.0472 INCHES MINIMUM AND 2.0478 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
NONDEFINITIVE SPEC/STD DATA: 132 TYPE AND 00 GRADE
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
OVERALL WIDTH0.5910 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.0472 INCHES MINIMUM AND 2.0478 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
NONDEFINITIVE SPEC/STD DATA132 TYPE AND 00 GRADE
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SUBSTITUTES & CROSS-REFERENCES 7
102668-14Reference document
Same NSN cross-reference
Reference document — Secondary reference
ND25Reference document
Same NSN cross-reference
Reference document — Secondary reference
L25Reference document
Same NSN cross-reference
Reference document — Secondary reference
23107Reference document
Same NSN cross-reference
Reference document — Secondary reference
TL25Reference document
Same NSN cross-reference
Reference document — Secondary reference
22G155Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SF66-5?
SF66-5 is a BEARING,BALL,ANNULAR.
What parts can replace SF66-5?
There are 7 known substitutes for SF66-5: 102668-14, ND25, L25 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SF66-5?
SF66-5 is cataloged in the U.S. Government catalog under NSN 3110-00-156-6718. This indicates validated use in U.S. government and defense supply chains.
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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.