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Technical Data Sheet
PartsTable / COMPONENT / 38R
38R ✓ 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 COMP E52100 BALL, bore_shape: STRAIGHT, bore_diameter: 8.00 MILLIMETERS NOMINAL MM, overall_width: 7.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-109-1856, 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
38R
NSN: 3110-00-109-1856
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 BALL
bore_shapeSTRAIGHT
bore_diameter8.00 MILLIMETERS NOMINAL MM
overall_width7.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter22.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationABEC NO.5
NSN3110-00-109-1856
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 38R · 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
•
OVERALL OUTSIDE DIAMETER: 22.00 MILLIMETERS NOMINAL MM
•
BORE DIAMETER: 8.00 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL COMP E52100 OUTER RING
•
INTERNAL FIT-UP DESIGNATION: STANDARD
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER22.00 MILLIMETERS NOMINAL MM
BORE DIAMETER8.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL COMP E52100 OUTER RING
INTERNAL FIT-UP DESIGNATIONSTANDARD
MATERIALSTEEL RETAINER
MATERIALSTEEL COMP E52100 INNER RING
MATERIALSTEEL COMP E52100 BALL
MATERIALSTEEL SHIELD
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
OVERALL WIDTH7.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
38X2K3Interchangeable
interchangeable cross-reference
interchangeable
M913/01JC7C3NE1Interchangeable
interchangeable cross-reference
interchangeable
38SSTX2K3Interchangeable
interchangeable cross-reference
interchangeable
M81793-GK0NBN0SAS71AB1Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-81793Interchangeable
interchangeable cross-reference
interchangeable
100HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 38R?
38R is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 38R?
There are 27 known substitutes for 38R: 38X2K3, M913/01JC7C3NE1, 38SSTX2K3 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 38R?
38R is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-109-1856. 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