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Technical Data Sheet
PartsTable / COMPONENT / 108-109-6PC487
108-109-6PC487 ✓ 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 OVERALL, cup_width: 2.0000 INCHES NOMINAL IN, cone_width: 2.8750 INCHES NOMINAL IN, bore_diameter: 4.0000 INCHES NOMINAL IN, overall_width: 3.0000 INCHES NOMINAL IN, standout_width: 1.0000 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 3110-00-100-5842, 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
108-109-6PC487
NSN: 3110-00-100-5842
FSC: 3110
CAGE: 58265 — STRUTHERS WELLS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width2.0000 INCHES NOMINAL IN
cone_width2.8750 INCHES NOMINAL IN
bore_diameter4.0000 INCHES NOMINAL IN
overall_width3.0000 INCHES NOMINAL IN
standout_width1.0000 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, STEEP ANGLE
cone_corner_radius0.2500 INCHES NOMINAL IN
backface_corner_radius0.2500 INCHES NOMINAL IN
overall_outside_diameter9.8750 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-5842
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 108-109-6PC487 · 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
•
CUP WIDTH: 2.0000 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 9.8750 INCHES NOMINAL IN
•
BORE DIAMETER: 4.0000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
BACKFACE CORNER RADIUS: 0.2500 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
STANDOUT WIDTH: 1.0000 INCHES NOMINAL IN
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)
CUP WIDTH2.0000 INCHES NOMINAL IN
OVERALL WIDTH3.0000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER9.8750 INCHES NOMINAL IN
BORE DIAMETER4.0000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
BACKFACE CORNER RADIUS0.2500 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
STANDOUT WIDTH1.0000 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, STEEP ANGLE
CONE CORNER RADIUS0.2500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1540Interchangeable
interchangeable cross-reference
interchangeable
NON250318ZInterchangeable
interchangeable cross-reference
interchangeable
45090R1540Interchangeable
interchangeable cross-reference
interchangeable
6-76070-1Interchangeable
interchangeable cross-reference
interchangeable
0-110Interchangeable
interchangeable cross-reference
interchangeable
79-1/4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 108-109-6PC487?
108-109-6PC487 is a BEARING,ROLLER,TAPERED.
What parts can replace 108-109-6PC487?
There are 12 known substitutes for 108-109-6PC487: 1540, NON250318Z, 45090R1540 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 108-109-6PC487?
108-109-6PC487 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-5842. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026