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90MDH1 — RING,BEARING,OUTER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

90MDH1: RING,BEARING,OUTER.

The RING,BEARING,OUTER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 1.3300 INCHES NOMINAL IN, overall_width: 0.3900 INCHES NOMINAL IN, surface_finish: GROUND, special_features: SPHERICAL ROLLERS, overall_outside_diameter: 1.7515 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-159-1359, 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
90MDH1
NSN: 3110-00-159-1359
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 05412 — KOMAK OF UPSTATE NEW YORK INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.3300 INCHES NOMINAL IN
overall_width0.3900 INCHES NOMINAL IN
surface_finishGROUND
special_featuresSPHERICAL ROLLERS
overall_outside_diameter1.7515 INCHES NOMINAL IN
standard_tolerance_designationRBEC NO.1
NSN3110-00-159-1359
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 90MDH1 · 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: 1.7515 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: RBEC NO.1
•
BORE DIAMETER: 1.3300 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
OVERALL WIDTH0.3900 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.7515 INCHES NOMINAL IN
SPECIAL FEATURESSPHERICAL ROLLERS
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
BORE DIAMETER1.3300 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
035-179290Reference document
Same NSN cross-reference
Reference document — Secondary reference
179290Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10790ZReference document
Same NSN cross-reference
Reference document — Secondary reference
98977Reference document
Same NSN cross-reference
Reference document — Secondary reference
007-179290Reference document
Same NSN cross-reference
Reference document — Secondary reference
708616Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 90MDH1?
90MDH1 is a RING,BEARING,OUTER.
What parts can replace 90MDH1?
There are 7 known substitutes for 90MDH1: 035-179290, 179290, 10790Z and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 90MDH1?
90MDH1 is cataloged in the U.S. Government catalog under NSN 3110-00-159-1359. 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.