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Technical Data Sheet
PartsTable / COMPONENT / 15-1311 IT5
15-1311 IT5 ✓ 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: 23.0 MILLIMETERS NOMINAL MM, cone_width: 33.0 MILLIMETERS NOMINAL MM, bore_diameter: 65.0 MILLIMETERS NOMINAL MM, overall_width: 36.0 MILLIMETERS NOMINAL MM, standout_width: 13.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-442-4837, 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
15-1311 IT5
NSN: 3110-01-442-4837
FSC: 3110
CAGE: 0S4A5 — JEAMAR WINCHES CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width23.0 MILLIMETERS NOMINAL MM
cone_width33.0 MILLIMETERS NOMINAL MM
bore_diameter65.0 MILLIMETERS NOMINAL MM
overall_width36.0 MILLIMETERS NOMINAL MM
standout_width13.0 MILLIMETERS NOMINAL MM
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius3.0 MILLIMETERS NOMINAL MM
backface_corner_radius2.5 MILLIMETERS NOMINAL MM
overall_outside_diameter140.0 MILLIMETERS NOMINAL MM
NSN3110-01-442-4837
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 15-1311 IT5 · 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: 2.5 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 3.0 MILLIMETERS NOMINAL MM
•
BORE DIAMETER: 65.0 MILLIMETERS NOMINAL MM
•
CUP WIDTH: 23.0 MILLIMETERS NOMINAL MM
•
STANDOUT WIDTH: 13.0 MILLIMETERS NOMINAL MM
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)
BACKFACE CORNER RADIUS2.5 MILLIMETERS NOMINAL MM
OVERALL WIDTH36.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
MATERIALSTEEL OVERALL
CONE CORNER RADIUS3.0 MILLIMETERS NOMINAL MM
BORE DIAMETER65.0 MILLIMETERS NOMINAL MM
CUP WIDTH23.0 MILLIMETERS NOMINAL MM
STANDOUT WIDTH13.0 MILLIMETERS NOMINAL MM
CONE WIDTH33.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER140.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
S8023Interchangeable
interchangeable cross-reference
interchangeable
FC5106Interchangeable
interchangeable cross-reference
interchangeable
31313Interchangeable
interchangeable cross-reference
interchangeable
24141Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-296 TY3SEAInterchangeable
interchangeable cross-reference
interchangeable
7252Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15-1311 IT5?
15-1311 IT5 is a BEARING,ROLLER,TAPERED.
What parts can replace 15-1311 IT5?
There are 13 known substitutes for 15-1311 IT5: S8023, FC5106, 31313 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15-1311 IT5?
15-1311 IT5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-442-4837. 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