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Technical Data Sheet
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100-159-5-6 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

100-159-5-6: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include end_item_identification: H-1 HELICOPTER. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-554-3977, 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
100-159-5-6
NSN: 3110-00-554-3977
NIINs: 005543977, 014694571
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
end_item_identificationH-1 HELICOPTER
NSN3110-00-554-3977
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 100-159-5-6 · 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: COUNTERBORED OUTER RING, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 110.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
CONTACT ANGLE: 25.0 DEGREES MINIMUM
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
OVERALL WIDTH22.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER110.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
CONTACT ANGLE25.0 DEGREES MINIMUM
LOAD DIRECTIONANGULAR
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER60.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 7
7212Reference document
Same NSN cross-reference
Reference document — Secondary reference
177003-28Reference document
Same NSN cross-reference
Reference document — Secondary reference
7212BYReference document
Same NSN cross-reference
Reference document — Secondary reference
160ACSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
30212Reference document
Same NSN cross-reference
Reference document — Secondary reference
7212BReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 100-159-5-6?
100-159-5-6 is a BEARING,BALL,ANNULAR.
What parts can replace 100-159-5-6?
There are 7 known substitutes for 100-159-5-6: 7212, 177003-28, 7212BY and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 100-159-5-6?
100-159-5-6 is cataloged in the U.S. Government catalog under NSN 3110-00-554-3977. 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.