PartsTable
Technical Data Sheet
180-554 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, bore_shape: STRAIGHT, bore_diameter: 9.00 MILLIMETERS NOMINAL MM, overall_width: 8.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-3999, 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
180-554
NSN: 3110-00-227-3999
FSC: 3110
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
bore_shapeSTRAIGHT
bore_diameter9.00 MILLIMETERS NOMINAL MM
overall_width8.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
features_providedHERMETICALLY SEALED CASE
lubrication_materialGREASE
overall_outside_diameter26.00 MILLIMETERS NOMINAL MM
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
NSN3110-00-227-3999
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 180-554 · 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
SURFACE FINISH: GROUND
BORE DIAMETER: 9.00 MILLIMETERS NOMINAL MM
RETAINER FABRICATION METHOD: PRESSED
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
INTERNAL FIT-UP DESIGNATION: STANDARD
LUBRICATION MATERIAL: GREASE
SHIELD QUANTITY: 2
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
BORE DIAMETER9.00 MILLIMETERS NOMINAL MM
RETAINER FABRICATION METHODPRESSED
STANDARD TOLERANCE DESIGNATIONABEC NO.1
INTERNAL FIT-UP DESIGNATIONSTANDARD
LUBRICATION MATERIALGREASE
SHIELD QUANTITY2
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
177343Interchangeable
interchangeable cross-reference
interchangeable
180554Interchangeable
interchangeable cross-reference
interchangeable
CD12599Interchangeable
interchangeable cross-reference
interchangeable
4805-180554Interchangeable
interchangeable cross-reference
interchangeable
CSS1836-30-T-WInterchangeable
interchangeable cross-reference
interchangeable
261143Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 180-554?
180-554 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 180-554?
There are 6 known substitutes for 180-554: 177343, 180554, CD12599 and 3 more. Substitute compatibility should be verified for your specific system.
Is 180-554 still available?
180-554 is currently cancelled.
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