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Technical Data Sheet
PartsTable / COMPONENT / 30315J2
30315J2 ✓ 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: 31.0 MILLIMETERS NOMINAL MM, cone_width: 37.0 MILLIMETERS NOMINAL MM, bore_diameter: 75.0 MILLIMETERS NOMINAL MM, overall_width: 40.0 MILLIMETERS NOMINAL MM, standout_width: 9.0 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 3110-01-447-1895, 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
30315J2
NSN: 3110-01-447-1895
FSC: 3110
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width31.0 MILLIMETERS NOMINAL MM
cone_width37.0 MILLIMETERS NOMINAL MM
bore_diameter75.0 MILLIMETERS NOMINAL MM
overall_width40.0 MILLIMETERS NOMINAL MM
standout_width9.0 MILLIMETERS NOMINAL MM
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius3.0 MILLIMETERS NOMINAL MM
backface_corner_radius2.5 MILLIMETERS NOMINAL MM
overall_outside_diameter160.0 MILLIMETERS NOMINAL MM
NSN3110-01-447-1895
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 30315J2 · 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
•
CUP WIDTH: 31.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OVERALL
•
BORE DIAMETER: 75.0 MILLIMETERS NOMINAL MM
•
OVERALL OUTSIDE DIAMETER: 160.0 MILLIMETERS NOMINAL MM
•
CONE CORNER RADIUS: 3.0 MILLIMETERS NOMINAL MM
•
STANDOUT WIDTH: 9.0 MILLIMETERS NOMINAL MM
•
CONE WIDTH: 37.0 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
CUP WIDTH31.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
BORE DIAMETER75.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER160.0 MILLIMETERS NOMINAL MM
CONE CORNER RADIUS3.0 MILLIMETERS NOMINAL MM
STANDOUT WIDTH9.0 MILLIMETERS NOMINAL MM
CONE WIDTH37.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
OVERALL WIDTH40.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
375ACDInterchangeable
interchangeable cross-reference
interchangeable
160885Interchangeable
interchangeable cross-reference
interchangeable
7315WNInterchangeable
interchangeable cross-reference
interchangeable
10192915-1Interchangeable
interchangeable cross-reference
interchangeable
315Interchangeable
interchangeable cross-reference
interchangeable
30-315Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30315J2?
30315J2 is a BEARING,ROLLER,TAPERED.
What parts can replace 30315J2?
There are 11 known substitutes for 30315J2: 375ACD, 160885, 7315WN and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30315J2?
30315J2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-447-1895. 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