PartsTable
Technical Data Sheet
661144 ✓ 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 material: STEEL COMP 302 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, inside_diameter: 0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN, style_designator: CYLINDRICAL, surface_treatment: PASSIVATE OVERALL, spring_free_length: 0.820 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-4003, 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
661144
NSN: 3110-00-227-4003
FSC: 3110
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity9
inside_diameter0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
style_designatorCYLINDRICAL
surface_treatmentPASSIVATE OVERALL
spring_free_length0.820 INCHES NOMINAL IN
spring_solid_length0.230 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_deflection_rate1.100 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter0.398 INCHES MINIMUM AND 0.408 INCHES MAXIMUM IN
material_document_and_classificationQQ-W-432,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3110-00-227-4003
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 661144 · 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
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
LOAD DIRECTION: RADIAL
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
SURFACE FINISH: GROUND
INTERNAL FIT-UP DESIGNATION: STANDARD
RETAINER FABRICATION METHOD: PRESSED
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH11.0 MILLIMETERS NOMINAL MM
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONSTANDARD
RETAINER FABRICATION METHODPRESSED
BORE SHAPESTRAIGHT
SHIELD QUANTITY2
LUBRICATION MATERIALGREASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
912062-2Interchangeable
interchangeable cross-reference
interchangeable
A782Interchangeable
interchangeable cross-reference
interchangeable
572-517-9004Interchangeable
interchangeable cross-reference
interchangeable
661144Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 661144?
661144 is a BEARING,BALL,ANNULAR.
What parts can replace 661144?
There are 4 known substitutes for 661144: 912062-2, A782, 572-517-9004 and 1 more. Substitute compatibility should be verified for your specific system.
Is 661144 still available?
661144 is currently cancelled.
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