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Technical Data Sheet
PartsTable / COMPONENT / 145DS201-1
145DS201-1 ✓ 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,ANNULAR is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT, bore_diameter: 1.1809 INCHES MINIMUM AND 1.1811 INCHES MAXIMUM IN, overall_width: 0.6249 INCHES MINIMUM AND 0.6299 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND, special_features: MRC 3 GRADE TOLERANCE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-114-6323, 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
145DS201-1
NSN: 3110-01-114-6323
FSC: 3110
CAGE: 77272 — THE BOEING COMPANY (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT
bore_diameter1.1809 INCHES MINIMUM AND 1.1811 INCHES MAXIMUM IN
overall_width0.6249 INCHES MINIMUM AND 0.6299 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
special_featuresMRC 3 GRADE TOLERANCE
overall_outside_diameter2.4405 INCHES MINIMUM AND 2.4409 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
NSN3110-01-114-6323
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 145DS201-1 · 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
•
BORE DIAMETER: 1.1809 INCHES MINIMUM AND 1.1811 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
•
RETAINER FABRICATION METHOD: MACHINED
•
BORE SHAPE: STRAIGHT
•
OVERALL OUTSIDE DIAMETER: 2.4405 INCHES MINIMUM AND 2.4409 INCHES MAXIMUM IN
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER1.1809 INCHES MINIMUM AND 1.1811 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
RETAINER FABRICATION METHODMACHINED
SPECIAL FEATURESMRC 3 GRADE TOLERANCE
OVERALL WIDTH0.6249 INCHES MINIMUM AND 0.6299 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
OVERALL OUTSIDE DIAMETER2.4405 INCHES MINIMUM AND 2.4409 INCHES MAXIMUM IN
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
72-6970-341Interchangeable
interchangeable cross-reference
interchangeable
20504-29Interchangeable
interchangeable cross-reference
interchangeable
895DUInterchangeable
interchangeable cross-reference
interchangeable
2-055-024-375Interchangeable
interchangeable cross-reference
interchangeable
30-20080Interchangeable
interchangeable cross-reference
interchangeable
H2HC-DM7044-HW1-50Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 145DS201-1?
145DS201-1 is a BEARING,BALL,ANNULAR.
What parts can replace 145DS201-1?
There are 14 known substitutes for 145DS201-1: 72-6970-341, 20504-29, 895DU and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 145DS201-1?
145DS201-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-114-6323. 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