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Technical Data Sheet
PartsTable / COMPONENT / 731346
731346 ✓ 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,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL COMP 1015 OR STEEL COMP 1030 OR STEEL COMP 1010 OR STEEL COMP 1212 OVERALL, nut_style: HEXAGON, nut_height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UN, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-2473, 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
731346
NSN: 3110-00-198-2473
FSC: 3110
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1015 OR STEEL COMP 1030 OR STEEL COMP 1010 OR STEEL COMP 1212 OVERALL
nut_styleHEXAGON
nut_height0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_class3B
thread_seriesUN
thread_directionRIGHT-HAND
width_across_flats1.994 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN
nominal_thread_size1.625 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
bearing_surface_finish125.0 MICROINCHES
thread_quantity_per_inch16
material_document_and_classificationAISI FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN3110-00-198-2473
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 731346 · 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
•
STANDOUT WIDTH: 0.4375 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
CUP WIDTH: 2.7500 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
OVERALL OUTSIDE DIAMETER: 7.0000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES
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
TECHNICAL CHARACTERISTICS (FLIS)
STANDOUT WIDTH0.4375 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
CUP WIDTH2.7500 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
SPECIAL FEATURESW/SPACER,HOLE AND GROVE IN CUP
OVERALL OUTSIDE DIAMETER7.0000 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
OVERALL WIDTH3.6250 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0320 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
73-1346Interchangeable
interchangeable cross-reference
interchangeable
GP4252Interchangeable
interchangeable cross-reference
interchangeable
00254Interchangeable
interchangeable cross-reference
interchangeable
730359-1Interchangeable
Same NIIN cross-reference
interchangeable
230329AInterchangeable
Same NIIN cross-reference
interchangeable
13207E3095Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 731346?
731346 is a BEARING,ROLLER,TAPERED.
What parts can replace 731346?
There are 6 known substitutes for 731346: 73-1346, GP4252, 00254 and 3 more. Substitute compatibility should be verified for your specific system.
Is 731346 still available?
731346 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