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Technical Data Sheet
PartsTable / COMPONENT / 120555
120555 ✓ 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

The DOOR,METAL,MARINE STRUCTURAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM, fixed_light: NOT INCLUDED, opening_width: 1.250 INCHES NOMINAL IN, opening_length: 2.500 INCHES NOMINAL IN, panel_thickness: 6.000 INCHES NOMINAL IN, passing_scuttle: NOT INCLUDED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0286, 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
120555
NSN: 3110-00-100-0286
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialALUMINUM
fixed_lightNOT INCLUDED
opening_width1.250 INCHES NOMINAL IN
opening_length2.500 INCHES NOMINAL IN
panel_thickness6.000 INCHES NOMINAL IN
passing_scuttleNOT INCLUDED
opening_corner_radius1.250 INCHES NOMINAL IN
operational_directionRIGHT-HAND
end_item_identification3810-01-165-0646
quick_operating_featureNOT INCLUDED
part_name_assigned_by_controlling_agencyFRAME, PIGTAIL GUIDE, LEFT HAND
NSN3110-00-100-0286
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 120555 · 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
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE WIDTH: 1.4240 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 2.8750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
CONE WIDTH1.4240 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER2.8750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
10171NInterchangeable
interchangeable cross-reference
interchangeable
854220Interchangeable
interchangeable cross-reference
interchangeable
41193-101-7Interchangeable
interchangeable cross-reference
interchangeable
567Interchangeable
interchangeable cross-reference
interchangeable
114-6167Interchangeable
interchangeable cross-reference
interchangeable
114-6135Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120555?
120555 is a DOOR,METAL,MARINE STRUCTURAL.
What parts can replace 120555?
There are 24 known substitutes for 120555: 10171N, 854220, 41193-101-7 and 21 more. Substitute compatibility should be verified for your specific system.
Is 120555 still available?
120555 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026