PartsTable
Technical Data Sheet
186066 ✓ 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 OVERALL, bore_shape: STRAIGHT, bore_diameter: 50.00 MILLIMETERS NOMINAL MM, overall_width: 1.1875 INCHES NOMINAL IN, load_direction: ANGULAR, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-7911, 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
186066
NSN: 3110-00-156-7911
FSC: 3110
CAGE: 82722 — WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP DBA WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter50.00 MILLIMETERS NOMINAL MM
overall_width1.1875 INCHES NOMINAL IN
load_directionANGULAR
surface_finishGROUND
style_designatorLOADING GROOVE, NON-SEPARABLE
overall_outside_diameter90.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
nondefinitive_spec/std_data146 TYPE AND 00 GRADE
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-156-7911
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 186066 · 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 SHAPE: STRAIGHT
MATERIAL: STEEL OVERALL
INTERNAL FIT-UP DESIGNATION: STANDARD
INTERNAL FIT-UP CONTACT ANGULAR DIRECTION: OUTWARD CONVERGENT
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA: 146 TYPE AND 00 GRADE
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
BORE SHAPESTRAIGHT
MATERIALSTEEL OVERALL
INTERNAL FIT-UP DESIGNATIONSTANDARD
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONOUTWARD CONVERGENT
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONOUTWARD CONVERGENT
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA146 TYPE AND 00 GRADE
RETAINER FABRICATION METHODPRESSED
LOAD DIRECTIONANGULAR
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
45210Interchangeable
interchangeable cross-reference
interchangeable
CR77044PC20Interchangeable
interchangeable cross-reference
interchangeable
PS-290##Interchangeable
interchangeable cross-reference
interchangeable
8514Interchangeable
interchangeable cross-reference
interchangeable
9005-31Interchangeable
interchangeable cross-reference
interchangeable
CE00134-1-21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 186066?
186066 is a BEARING,BALL,ANNULAR.
What parts can replace 186066?
There are 25 known substitutes for 186066: 45210, CR77044PC20, PS-290## and 22 more. Substitute compatibility should be verified for your specific system.
Is 186066 still available?
186066 is currently cancelled.
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