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Technical Data Sheet
PartsTable / COMPONENT / 103S52
103S52 ✓ 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 height: 0.531 INCHES NOMINAL IN, material: RUBBER SYNTHETIC AND COTTON OVERALL, bore_type: STRAIGHT, duty_type: CONTINUOUS, port_style: GASKET SEAL SINGLE PORT, body_length: 1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0349, 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
103S52
NSN: 3110-00-100-0349
FSC: 3110
CAGE: 06840 — BENDIX CORP THE (USA)
SPECIFICATIONS
height0.531 INCHES NOMINAL IN
materialRUBBER SYNTHETIC AND COTTON OVERALL
bore_typeSTRAIGHT
duty_typeCONTINUOUS
port_styleGASKET SEAL SINGLE PORT
body_length1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN
bonnet_typeINSIDE SCREW
design_typeSTEP CHUCK
thread_size1.312-20
shank_length0.266 INCHES NOMINAL IN
thread_class2A A
body_diameter0.281 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
NSN3110-00-100-0349
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 103S52 · 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
A1746Interchangeable
interchangeable cross-reference
interchangeable
1746Interchangeable
interchangeable cross-reference
interchangeable
6002-28Interchangeable
interchangeable cross-reference
interchangeable
37067Interchangeable
interchangeable cross-reference
interchangeable
1729Interchangeable
interchangeable cross-reference
interchangeable
217063P27Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 103S52?
103S52 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 103S52?
There are 33 known substitutes for 103S52: A1746, 1746, 6002-28 and 30 more. Substitute compatibility should be verified for your specific system.
Is 103S52 still available?
103S52 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