PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 587-551
587-551 ✓ 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 CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: COBALT ALLOY FACE, seat_angle_in_deg: 45.000 NOMINAL, body_inside_diameter: 1.557 INCHES MINIMUM AND 1.567 INCHES MAXIMUM IN, body_outside_diameter: 2.491 INCHES MINIMUM AND 2.492 INCHES MAXIMUM IN, seating_surface_shape: ANGULAR, seal_accommodation_type: RECESSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0593, 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
587-551
NSN: 3110-00-100-0593
FSC: 3110
CAGE: 18113 — CHRYSLER CORP HAMTRAMCK ASSEMBLY (USA)
SPECIFICATIONS
materialCOBALT ALLOY FACE
seat_angle_in_deg45.000 NOMINAL
body_inside_diameter1.557 INCHES MINIMUM AND 1.567 INCHES MAXIMUM IN
body_outside_diameter2.491 INCHES MINIMUM AND 2.492 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
seal_accommodation_typeRECESSED
material_document_and_classification17-4PH,ARMCO STEEL CORP MFR REF SINGLE MATERIAL RESPONSE BODY
NSN3110-00-100-0593
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 587-551 · 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
•
OUTSIDE DIAMETER: 4.0000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: 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)
OUTSIDE DIAMETER4.0000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
OVERALL WIDTH1.0000 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
GSG202L2Interchangeable
interchangeable cross-reference
interchangeable
885C871-4Interchangeable
interchangeable cross-reference
interchangeable
V1623Interchangeable
interchangeable cross-reference
interchangeable
706905Interchangeable
interchangeable cross-reference
interchangeable
60-656PC551Interchangeable
interchangeable cross-reference
interchangeable
60-587PC551Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 587-551?
587-551 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 587-551?
There are 22 known substitutes for 587-551: GSG202L2, 885C871-4, V1623 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 587-551?
587-551 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0593. 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