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Technical Data Sheet
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16989 — Technical Data Sheet

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— · 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 CORROSION RESISTING, end_item_identification: 6515-01-584-5554 PLATE SET, BONE, COMPRESSION, part_name_assigned_by_controlling_agency: GUIDE BLOCK PLATE 6 HEAD HOLE RIGHT LCP VARIABLE ANGLE TWO COLUMN VOLAR. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-100-3132, 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
16989
NSN: 3110-00-100-3132
FSC: 3110
CAGE: 95019 — DANA CORP SPICER TRANSMISSION DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
special_featuresGUIDE BLOCK, VOLAR PLATE, TWO COLUMN, VARIABLE ANGLE, LOCKING COMPRESSION, RIGHT, 6 HEAD HOLE; STAINLESS STEEL; COMPONENT OF PLATE SET, BONE, COMPRESSION, 6515-01-584-5554
end_item_identification6515-01-584-5554 PLATE SET, BONE, COMPRESSION
part_name_assigned_by_controlling_agencyGUIDE BLOCK PLATE 6 HEAD HOLE RIGHT LCP VARIABLE ANGLE TWO COLUMN VOLAR
NSN3110-00-100-3132
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 16989 · 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 WIDTH: 0.5625 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 0.6250 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0625 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
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
CONE WIDTH0.5625 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER0.6250 INCHES NOMINAL IN
CONE CORNER RADIUS0.0625 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
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11590InterchangeableGOVERNMENT REGISTRY
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72291InterchangeableGOVERNMENT REGISTRY
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116556978InterchangeableGOVERNMENT REGISTRY
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interchangeable
52940InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SM-B-148550InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 16989?
16989 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 16989?
There are 33 known substitutes for 16989: 80640, 11590, 72291 and 30 more. Substitute compatibility should be verified for your specific system.
Is 16989 still available?
16989 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: September 2026