PartsTable
Technical Data Sheet
M146 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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 CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include material: STEEL OVERALL, tailgate: NOT INCLUDED, anode_type: ETCHED FOIL, body_style: W/THD BUSHING MTG, TERMINAL(S) ON ONE END, bore_shape: STRAIGHT, body_length: 1.500 INCHES NOMINAL 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 3110-00-155-6718, 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
MRO MRO_GENERAL M146
NSN: 3110-00-155-6718
FSC: 3110
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
tailgateNOT INCLUDED
anode_typeETCHED FOIL
body_styleW/THD BUSHING MTG, TERMINAL(S) ON ONE END
bore_shapeSTRAIGHT
body_length1.500 INCHES NOMINAL IN
inside_width90.000 INCHES NOMINAL IN
loading_rampNOT INCLUDED
body_diameter0.400 INCHES NOMINAL IN
bore_diameter45.00 MILLIMETERS NOMINAL MM
inside_height76.000 INCHES NOMINAL IN
inside_length264.000 INCHES NOMINAL IN
NSN3110-00-155-6718
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M146 · 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
LOAD DIRECTION: RADIAL
MATERIAL: STEEL SHIELD
SHIELD QUANTITY: 1
SURFACE FINISH: GROUND
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
LOAD DIRECTIONRADIAL
MATERIALSTEEL SHIELD
MATERIALSTEEL BALL
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
SHIELD QUANTITY1
SURFACE FINISHGROUND
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
OVERALL OUTSIDE DIAMETER85.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
701-4711389 PIECE 25Interchangeable
interchangeable cross-reference
interchangeable
908095Interchangeable
interchangeable cross-reference
interchangeable
YT9418738Interchangeable
interchangeable cross-reference
interchangeable
145ACInterchangeable
interchangeable cross-reference
interchangeable
7209Interchangeable
interchangeable cross-reference
interchangeable
2780-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M146?
M146 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace M146?
There are 23 known substitutes for M146: 701-4711389 PIECE 25, 908095, YT9418738 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M146?
M146 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6718. This indicates validated use in U.S. government and defense supply chains.
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