PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 32312-90KA4
32312-90KA4 ✓ 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: 37.0 MILLIMETERS NOMINAL MM, cone_width: 46.0 MILLIMETERS NOMINAL MM, bore_diameter: 60.0 MILLIMETERS NOMINAL MM, overall_width: 48.5 MILLIMETERS NOMINAL MM, standout_width: 11.5 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 3110-01-318-2057, 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
32312-90KA4
NSN: 3110-01-318-2057
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width37.0 MILLIMETERS NOMINAL MM
cone_width46.0 MILLIMETERS NOMINAL MM
bore_diameter60.0 MILLIMETERS NOMINAL MM
overall_width48.5 MILLIMETERS NOMINAL MM
standout_width11.5 MILLIMETERS NOMINAL MM
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius3.0 MILLIMETERS NOMINAL MM
backface_corner_radius2.5 MILLIMETERS NOMINAL MM
overall_outside_diameter130.0 MILLIMETERS NOMINAL MM
retainer_fabrication_methodPRESSED
NSN3110-01-318-2057
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 32312-90KA4 · 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
•
STANDOUT WIDTH: 11.5 MILLIMETERS NOMINAL MM
•
OVERALL OUTSIDE DIAMETER: 130.0 MILLIMETERS NOMINAL MM
•
CUP WIDTH: 37.0 MILLIMETERS NOMINAL MM
•
CONE WIDTH: 46.0 MILLIMETERS NOMINAL MM
•
RETAINER FABRICATION METHOD: PRESSED
•
BACKFACE CORNER RADIUS: 2.5 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: STRAIGHT BORE, 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)
STANDOUT WIDTH11.5 MILLIMETERS NOMINAL MM
OVERALL WIDTH48.5 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER130.0 MILLIMETERS NOMINAL MM
CUP WIDTH37.0 MILLIMETERS NOMINAL MM
CONE WIDTH46.0 MILLIMETERS NOMINAL MM
RETAINER FABRICATION METHODPRESSED
BACKFACE CORNER RADIUS2.5 MILLIMETERS NOMINAL MM
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
MATERIALSTEEL OVERALL
BORE DIAMETER60.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
460-3231-02-03-00Interchangeable
interchangeable cross-reference
interchangeable
3231-2Interchangeable
interchangeable cross-reference
interchangeable
229A2761Interchangeable
interchangeable cross-reference
interchangeable
10865844Interchangeable
interchangeable cross-reference
interchangeable
GGG-V-410 TY4Interchangeable
interchangeable cross-reference
interchangeable
87Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 32312-90KA4?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 32312-90KA4?
32312-90KA4 is a BEARING,ROLLER,TAPERED.
What parts can replace 32312-90KA4?
There are 14 known substitutes for 32312-90KA4: 460-3231-02-03-00, 3231-2, 229A2761 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 32312-90KA4?
32312-90KA4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-318-2057. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 32312-90KA4

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026