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D73577 ✓ 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 CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: PLASTIC PROTECTIVE CRYSTAL, dial_size: 2.5 IN ROUND IN, bezel_type: BAYONET, scale_name: POUNDS PRESSURE, scale_type: DIAL, scale_range: +0.0 TO 4000.0 POUNDS PER SQUARE INCH LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0547, 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
D73577
NSN: 3110-00-100-0547
FSC: 3110
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC PROTECTIVE CRYSTAL
dial_size2.5 IN ROUND IN
bezel_typeBAYONET
scale_namePOUNDS PRESSURE
scale_typeDIAL
scale_range+0.0 TO 4000.0 POUNDS PER SQUARE INCH LBS
pointer_typeINDICATING
scale_accuracy1 PCT FULL SCALE
connection_size0.250 IN NPT IN
connection_typeEXTERNAL
mounting_methodFLUSH PANEL AND CLAMP
special_featuresWINDOW IS MADE FROM LEXAN; GLYCERINE FILLED
NSN3110-00-100-0547
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: D73577 · 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
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
131724-11Interchangeable
interchangeable cross-reference
interchangeable
30862-1726PInterchangeable
interchangeable cross-reference
interchangeable
30862Interchangeable
interchangeable cross-reference
interchangeable
204-10LInterchangeable
interchangeable cross-reference
interchangeable
73577Interchangeable
interchangeable cross-reference
interchangeable
048-22F204-10LInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D73577?
D73577 is a CUP,TAPERED ROLLER BEARING.
What parts can replace D73577?
There are 28 known substitutes for D73577: 131724-11, 30862-1726P, 30862 and 25 more. Substitute compatibility should be verified for your specific system.
Is D73577 still available?
D73577 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026