PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 5578-5535
5578-5535 ✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL OVERALL, cone_width: 1.7230 INCHES NOMINAL IN, bore_diameter: 2.1250 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.1300 INCHES NOMINAL IN, end_item_identification: NSN:2350-01-619-5649;TANK,COMBAT,FULL TRACKED.. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-101-6493, 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
5578-5535
NSN: 3110-00-101-6493
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.7230 INCHES NOMINAL IN
bore_diameter2.1250 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.1300 INCHES NOMINAL IN
end_item_identificationNSN:2350-01-619-5649;TANK,COMBAT,FULL TRACKED.
part_name_assigned_by_controlling_agencyBEARING ASSEMBLY-TAPERED ROLLER BEARING.
NSN3110-00-101-6493
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 5578-5535 · 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
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.2813 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
BORE DIAMETER: 2.1250 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
CONE WIDTH: 1.7230 INCHES NOMINAL IN
•
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)
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDOUT WIDTH0.2813 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
BORE DIAMETER2.1250 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
CONE WIDTH1.7230 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
OVERALL WIDTH1.7188 INCHES NOMINAL IN
CUP WIDTH1.4375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
BT363Interchangeable
interchangeable cross-reference
interchangeable
363Interchangeable
interchangeable cross-reference
interchangeable
372AInterchangeable
interchangeable cross-reference
interchangeable
94289Interchangeable
interchangeable cross-reference
interchangeable
5520Interchangeable
interchangeable cross-reference
interchangeable
BT5520Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5578-5535?
5578-5535 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 5578-5535?
There are 30 known substitutes for 5578-5535: BT363, 363, 372A and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5578-5535?
5578-5535 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-101-6493. 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