PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 90-1086
90-1086 ✓ 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

PARTS KIT,ELECTRICAL ENGINE STAR. Key specifications include material: STEEL OVERALL, bore_diameter: 0.5000 INCHES NOMINAL IN, overall_width: 0.5000 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, special_features: USED TO MAGNETICALLY DRIVE SENSITIVE SWITCHES; MAJOR COMPONENTS: MAGNET 1. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-108-7944, 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
90-1086
NSN: 3110-00-108-7944
FSC: 3110
CAGE: 23990 — GALLMEYER AND LIVINGSTON CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter0.5000 INCHES NOMINAL IN
overall_width0.5000 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
special_featuresUSED TO MAGNETICALLY DRIVE SENSITIVE SWITCHES; MAJOR COMPONENTS: MAGNET 1
style_designatorNON-SEPARABLE, CLOSED END, DRAWN SHELL
supplementary_featuresSECONDARY ANTENNA 20FT FT
overall_outside_diameter0.6875 INCHES NOMINAL IN
component_type_and_quantity1 SHAFT AND 1 COLLAR
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-108-7944
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 90-1086 · 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
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 0.6875 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
BORE DIAMETER: 0.5000 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
STYLE DESIGNATOR: NON-SEPARABLE, CLOSED END, DRAWN SHELL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER0.6875 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
SPECIAL FEATURESEXTRA CAPACITY OUTER RACE
BORE DIAMETER0.5000 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
OVERALL WIDTH0.5000 INCHES NOMINAL IN
STYLE DESIGNATORNON-SEPARABLE, CLOSED END, DRAWN SHELL
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
148426Interchangeable
interchangeable cross-reference
interchangeable
148493Interchangeable
interchangeable cross-reference
interchangeable
SL-700-7Interchangeable
interchangeable cross-reference
interchangeable
M881Interchangeable
interchangeable cross-reference
interchangeable
SL715-7Interchangeable
interchangeable cross-reference
interchangeable
173536Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 90-1086?
90-1086 is a PARTS KIT,ELECTRICAL ENGINE STAR.
What parts can replace 90-1086?
There are 15 known substitutes for 90-1086: 148426, 148493, SL-700-7 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 90-1086?
90-1086 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-108-7944. 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: July 2026