PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 216681-2
216681-2 ✓ 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: 2.0000 INCHES NOMINAL IN, cone_width: 2.8750 INCHES NOMINAL IN, bore_diameter: 4.0000 INCHES NOMINAL IN, overall_width: 3.0000 INCHES NOMINAL IN, standout_width: 1.0000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-1379, 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
216681-2
NSN: 3110-00-198-1379
FSC: 3110
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width2.0000 INCHES NOMINAL IN
cone_width2.8750 INCHES NOMINAL IN
bore_diameter4.0000 INCHES NOMINAL IN
overall_width3.0000 INCHES NOMINAL IN
standout_width1.0000 INCHES NOMINAL IN
special_featuresDUTY CLASS HH
style_designatorSTRAIGHT BORE, STEEP ANGLE
cone_corner_radius0.2500 INCHES NOMINAL IN
backface_corner_radius0.2500 INCHES NOMINAL IN
overall_outside_diameter9.8750 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
NSN3110-00-198-1379
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 216681-2 · 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: 2.8750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
OVERALL OUTSIDE DIAMETER: 9.8750 INCHES NOMINAL IN
•
STANDOUT WIDTH: 1.0000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, STEEP 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)
OVERALL WIDTH3.0000 INCHES NOMINAL IN
CONE WIDTH2.8750 INCHES NOMINAL IN
SPECIAL FEATURESDUTY CLASS HH
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OVERALL OUTSIDE DIAMETER9.8750 INCHES NOMINAL IN
STANDOUT WIDTH1.0000 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, STEEP ANGLE
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE CORNER RADIUS0.2500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
382303-00Interchangeable
interchangeable cross-reference
interchangeable
PMC-065-0170Interchangeable
interchangeable cross-reference
interchangeable
382303PHInterchangeable
interchangeable cross-reference
interchangeable
495-493Interchangeable
interchangeable cross-reference
interchangeable
TM643Interchangeable
interchangeable cross-reference
interchangeable
JX13-51BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 216681-2?
216681-2 is a BEARING,ROLLER,TAPERED.
What parts can replace 216681-2?
There are 19 known substitutes for 216681-2: 382303-00, PMC-065-0170, 382303PH and 16 more. Substitute compatibility should be verified for your specific system.
Is 216681-2 still available?
216681-2 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