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Technical Data Sheet
PartsTable / COMPONENT / 4253291-1
4253291-1 ✓ 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: GLASS COVER HOLDER, body_style: THREADED BUSHING MOUNTED, body_width: 0.402 INCHES MAXIMUM IN, timer_type: ELECTRICAL, body_length: 0.469 INCHES NOMINAL IN, swage_depth: 0.068 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0544, 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
4253291-1
NSN: 3110-00-100-0544
FSC: 3110
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
materialGLASS COVER HOLDER
body_styleTHREADED BUSHING MOUNTED
body_width0.402 INCHES MAXIMUM IN
timer_typeELECTRICAL
body_length0.469 INCHES NOMINAL IN
swage_depth0.068 INCHES IN
control_typeELECTRIC SWITCH
thread_class2A A
overall_depth5.120 INCHES NOMINAL IN
overall_width0.435 INCHES MAXIMUM IN
terminal_typeTURRET
body_thickness0.150 INCHES MAXIMUM IN
NSN3110-00-100-0544
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4253291-1 · 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 33
0210548-4Interchangeable
interchangeable cross-reference
interchangeable
JT9009Interchangeable
interchangeable cross-reference
interchangeable
210548Interchangeable
interchangeable cross-reference
interchangeable
589211Interchangeable
interchangeable cross-reference
interchangeable
1115Interchangeable
interchangeable cross-reference
interchangeable
01845-1235Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4253291-1?
4253291-1 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 4253291-1?
There are 33 known substitutes for 4253291-1: 0210548-4, JT9009, 210548 and 30 more. Substitute compatibility should be verified for your specific system.
Is 4253291-1 still available?
4253291-1 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