PartsTable
Technical Data Sheet
Download PDF

901820-2C — BEARING,BALL,DUPLEX

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

901820-2C: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOLIC RETAINER, bore_diameter: 1.8121 INCHES MINIMUM AND 1.8125 INCHES MAXIMUM IN, overall_width: 0.4800 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN, load_direction: ANGULAR, surface_finish: GROUND, special_features: 160 MG PORM 20 MG OF SPECIFIED LUBRICANT. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-095-3370, 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
901820-2C
NSN: 3110-01-095-3370
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 82577 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialPLASTIC PHENOLIC RETAINER
bore_diameter1.8121 INCHES MINIMUM AND 1.8125 INCHES MAXIMUM IN
overall_width0.4800 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
load_directionANGULAR
surface_finishGROUND
special_features160 MG PORM 20 MG OF SPECIFIED LUBRICANT
style_designatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
internal_clearance0.0005 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL IN
bearing_preload_rating100.0 POUNDS NOMINAL LBS
overall_outside_diameter2.2496 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
lubrication_material_document_and_classificationBRAYCOTE,3L-38-RP,FSCM 98308 MFR REF SINGLE MATERIAL RESPONSE
NSN3110-01-095-3370
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 901820-2C · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
BEARING PRELOAD RATING: 100.0 POUNDS NOMINAL LBS
•
INTERNAL CLEARANCE: 0.0005 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
•
OVERALL OUTSIDE DIAMETER: 2.2496 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
BEARING PRELOAD RATING100.0 POUNDS NOMINAL LBS
INTERNAL CLEARANCE0.0005 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
OVERALL WIDTH0.4800 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.2496 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN
LOAD DIRECTIONANGULAR
SPECIAL FEATURES160 MG PORM 20 MG OF SPECIFIED LUBRICANT
BORE DIAMETER1.8121 INCHES MINIMUM AND 1.8125 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 2
AVN544WICRDBReference document
Same NSN cross-reference
Reference document — Secondary reference
901820-7CReference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 901820-2C?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 901820-2C?
901820-2C is a BEARING,BALL,DUPLEX.
What parts can replace 901820-2C?
There are 2 known substitutes for 901820-2C: AVN544WICRDB, 901820-7C. Substitute compatibility should be verified for your specific system.
What is the NSN for 901820-2C?
901820-2C is cataloged in the U.S. Government catalog under NSN 3110-01-095-3370. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 901820-2C

✓ 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.