PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 108U
108U ✓ 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

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 40.00 MILLIMETERS NOMINAL MM, overall_width: 11.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-555-5206, 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
108U
NSN: 3110-00-555-5206
FSC: 3110
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter40.00 MILLIMETERS NOMINAL MM
overall_width11.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter80.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-555-5206
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 108U · 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
•
SURFACE FINISH: GROUND
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
BORE SHAPE: STRAIGHT
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
BORE DIAMETER: 40.00 MILLIMETERS NOMINAL MM
•
LOAD DIRECTION: RADIAL
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
OVERALL WIDTH11.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE DIAMETER40.00 MILLIMETERS NOMINAL MM
LOAD DIRECTIONRADIAL
RETAINER FABRICATION METHODPRESSED
OVERALL OUTSIDE DIAMETER80.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
355-221-0007Interchangeable
interchangeable cross-reference
interchangeable
431754Interchangeable
interchangeable cross-reference
interchangeable
24-00044-007Interchangeable
interchangeable cross-reference
interchangeable
108SInterchangeable
interchangeable cross-reference
interchangeable
UU-P-221Interchangeable
interchangeable cross-reference
interchangeable
29-2051Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 108U?
108U is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 108U?
There are 25 known substitutes for 108U: 355-221-0007, 431754, 24-00044-007 and 22 more. Substitute compatibility should be verified for your specific system.
Is 108U still available?
108U 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