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Technical Data Sheet
PartsTable / COMPONENT / M554
M554 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL SHIELD, bore_shape: STRAIGHT, bore_diameter: 45.00 MILLIMETERS NOMINAL MM, overall_width: 2.312 INCHES NOMINAL IN, terminal_type: TAB W/SCREW, thread_length: 1.812 INCHES NOMINAL SINGLE THREADED BUSHING IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6720, 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
M554
NSN: 3110-00-155-6720
FSC: 3110
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
materialSTEEL SHIELD
bore_shapeSTRAIGHT
bore_diameter45.00 MILLIMETERS NOMINAL MM
overall_width2.312 INCHES NOMINAL IN
terminal_typeTAB W/SCREW
thread_length1.812 INCHES NOMINAL SINGLE THREADED BUSHING IN
load_directionRADIAL
overall_height1.812 INCHES NOMINAL IN
overall_length5.375 INCHES NOMINAL IN
surface_finishGROUND
mounting_methodTHREADED BUSHING
shield_quantity2
NSN3110-00-155-6720
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M554 · 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: 45.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
LUBRICATION MATERIAL: GREASE
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER45.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
LUBRICATION MATERIALGREASE
SURFACE FINISHGROUND
SHIELD QUANTITY2
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATIONABEC NO.1
INTERNAL FIT-UP DESIGNATIONSTANDARD
MATERIALSTEEL OUTER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
C12132Interchangeable
interchangeable cross-reference
interchangeable
29334Interchangeable
interchangeable cross-reference
interchangeable
2410 21/64Interchangeable
interchangeable cross-reference
interchangeable
M168Interchangeable
interchangeable cross-reference
interchangeable
M554Interchangeable
interchangeable cross-reference
interchangeable
7220Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M554?
M554 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace M554?
There are 27 known substitutes for M554: C12132, 29334, 2410 21/64 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M554?
M554 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6720. 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