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Technical Data Sheet
PartsTable / COMPONENT / 27880
27880 ✓ 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 COMP 1020 OVERALL, center_hole_diameter: 12.000 INCHES NOMINAL IN, braking_surface_width: 10.000 INCHES NOMINAL IN, mounting_hole_spacing: EQUALLY SPACED ON 32.000IN. BOLT CIRCLE IN, mounting_hole_diameter: 6.000 INCHES NOMINAL IN, braking_surface_diameter: 10.000 INCHES NOMINAL IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3557, 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
27880
NSN: 3110-00-100-3557
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
center_hole_diameter12.000 INCHES NOMINAL IN
braking_surface_width10.000 INCHES NOMINAL IN
mounting_hole_spacingEQUALLY SPACED ON 32.000IN. BOLT CIRCLE IN
mounting_hole_diameter6.000 INCHES NOMINAL IN
mounting_hole_quantity6
braking_surface_diameter10.000 INCHES NOMINAL IN
braking_surface_locationINTERNAL
overall_outside_diameter48.000 INCHES NOMINAL IN
material_document_and_classificationAISI 1020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3110-00-100-3557
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 27880 · 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
•
BORE DIAMETER: 1.5000 INCHES NOMINAL IN
•
CONE WIDTH: 0.9330 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
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)
BORE DIAMETER1.5000 INCHES NOMINAL IN
CONE WIDTH0.9330 INCHES NOMINAL IN
CONE CORNER RADIUS0.0312 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
48462Interchangeable
interchangeable cross-reference
interchangeable
208314Interchangeable
interchangeable cross-reference
interchangeable
2-675Interchangeable
interchangeable cross-reference
interchangeable
BA98071Interchangeable
interchangeable cross-reference
interchangeable
DIC-2481Interchangeable
interchangeable cross-reference
interchangeable
DM7404Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27880?
27880 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 27880?
There are 28 known substitutes for 27880: 48462, 208314, 2-675 and 25 more. Substitute compatibility should be verified for your specific system.
Is 27880 still available?
27880 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026