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Technical Data Sheet
PartsTable / COMPONENT / 901805-1C
901805-1C ✓ 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 BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: COTTON AND PLASTIC PHENOLIC CAGE, bore_diameter: 0.4998 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN, overall_width: 0.6850 INCHES MINIMUM AND 0.6890 INCHES MAXIMUM IN, load_direction: ANGULAR, surface_finish: GROUND, style_designator: NON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-309-7133, 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
901805-1C
NSN: 3110-01-309-7133
FSC: 3110
CAGE: 82577 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialCOTTON AND PLASTIC PHENOLIC CAGE
bore_diameter0.4998 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
overall_width0.6850 INCHES MINIMUM AND 0.6890 INCHES MAXIMUM IN
load_directionANGULAR
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING
surface_treatmentPASSIVATE INNER RING
bearing_preload_rating2.0 POUNDS MINIMUM AND 5.0 POUNDS MAXIMUM LBS
overall_outside_diameter0.7498 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
retainer_fabrication_methodMOLDED
standard_tolerance_designationABEC NO. 7T
material_document_and_classificationUNABLE TO DECODE
NSN3110-01-309-7133
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 901805-1C · 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 DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
STANDARD TOLERANCE DESIGNATION: ABEC NO. 7T
•
LOAD DIRECTION: ANGULAR
•
BEARING PRELOAD RATING: 2.0 POUNDS MINIMUM AND 5.0 POUNDS MAXIMUM LBS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BALL
•
SURFACE TREATMENT: PASSIVATE OUTER RING
•
MATERIAL: STEEL COMP 440C BALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
STANDARD TOLERANCE DESIGNATIONABEC NO. 7T
LOAD DIRECTIONANGULAR
BEARING PRELOAD RATING2.0 POUNDS MINIMUM AND 5.0 POUNDS MAXIMUM LBS
OVERALL WIDTH0.6850 INCHES MINIMUM AND 0.6890 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BALL
SURFACE TREATMENTPASSIVATE OUTER RING
MATERIALSTEEL COMP 440C BALL
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
MATERIALSTEEL COMP 440C SPACER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
4553Interchangeable
interchangeable cross-reference
interchangeable
705001Interchangeable
interchangeable cross-reference
interchangeable
PPP-B-26Interchangeable
interchangeable cross-reference
interchangeable
RF4553Interchangeable
interchangeable cross-reference
interchangeable
ORB006832Interchangeable
interchangeable cross-reference
interchangeable
WM-4553Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 901805-1C?
901805-1C is a BEARING,BALL,DUPLEX.
What parts can replace 901805-1C?
There are 15 known substitutes for 901805-1C: 4553, 705001, PPP-B-26 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 901805-1C?
901805-1C is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-309-7133. 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