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Technical Data Sheet
PartsTable / COMPONENT / 09-55049
09-55049 ✓ 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: STEEL OVERALL, overall_width: 0.6875 INCHES NOMINAL IN, outside_diameter: 1.9380 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.1400 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0640, 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
09-55049
NSN: 3110-00-100-0640
FSC: 3110
CAGE: 47353 — PORTEC INC PIONEER DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.6875 INCHES NOMINAL IN
outside_diameter1.9380 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.1400 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0640
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 09-55049 · 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
•
BACKFACE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
OUTSIDE DIAMETER: 1.9380 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
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)
OVERALL WIDTH0.6875 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OUTSIDE DIAMETER1.9380 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
7903132-03Interchangeable
interchangeable cross-reference
interchangeable
P343-0672-000Interchangeable
interchangeable cross-reference
interchangeable
112-1052-004Interchangeable
interchangeable cross-reference
interchangeable
24274Interchangeable
interchangeable cross-reference
interchangeable
268070PC6Interchangeable
interchangeable cross-reference
interchangeable
40424Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 09-55049?
09-55049 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 09-55049?
There are 28 known substitutes for 09-55049: 7903132-03, P343-0672-000, 112-1052-004 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 09-55049?
09-55049 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0640. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026