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Technical Data Sheet
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159081 — Technical Data Sheet

✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: STEEL OVERALL, bore_diameter: 1.6875 INCHES NOMINAL IN, overall_width: 1.5000 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, special_features: OIL HOLE IN OUTER RACE,EXTRA CAPACITY OUTER RACE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-112-6029, 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
159081
NSN: 3110-00-112-6029
FSC: 3110
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.6875 INCHES NOMINAL IN
overall_width1.5000 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
special_featuresOIL HOLE IN OUTER RACE,EXTRA CAPACITY OUTER RACE
style_designatorSEPARABLE INNER RACE, DRAWN SHELL
overall_outside_diameter2.5312 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-112-6029
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 159081 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
ALIGNMENT TYPE: RIGID
•
STYLE DESIGNATOR: SEPARABLE INNER RACE, DRAWN SHELL
•
SURFACE FINISH: GROUND
•
MATERIAL: STEEL OVERALL
•
OVERALL OUTSIDE DIAMETER: 2.5312 INCHES NOMINAL IN
•
BORE DIAMETER: 1.6875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
ALIGNMENT TYPERIGID
STYLE DESIGNATORSEPARABLE INNER RACE, DRAWN SHELL
SURFACE FINISHGROUND
MATERIALSTEEL OVERALL
SPECIAL FEATURESOIL HOLE IN OUTER RACE,EXTRA CAPACITY OUTER RACE
OVERALL OUTSIDE DIAMETER2.5312 INCHES NOMINAL IN
BORE DIAMETER1.6875 INCHES NOMINAL IN
OVERALL WIDTH1.5000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
L0539InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
0539InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M22/09-00181FDInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SAE-J512InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
654-F-08X06InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
75069InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 159081?
159081 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 159081?
There are 16 known substitutes for 159081: L0539, 0539, M22/09-00181FD and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 159081?
159081 is cataloged in the Federal Logistics Information System under NSN 3110-00-112-6029. 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: September 2026