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Technical Data Sheet
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217K — Technical Data Sheet

✓ 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

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include material: COPPER ALLOY TERMINALS, bore_shape: STRAIGHT, bore_diameter: 85.00 MILLIMETERS NOMINAL MM, overall_width: 28.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-144-8931, 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
217K
NSN: 3110-00-144-8931
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY TERMINALS
bore_shapeSTRAIGHT
bore_diameter85.00 MILLIMETERS NOMINAL MM
overall_width28.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
board_constructionSOLID CONSTRUCTION
overall_outside_diameter150.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
nondefinitive_spec/std_data111CL1GR00 TYPE
terminal_pattern_arrangementRANDOM
NSN3110-00-144-8931
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 217K · 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
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
LOAD DIRECTION: RADIAL
•
MATERIAL: STEEL OVERALL
•
BORE SHAPE: STRAIGHT
•
NONDEFINITIVE SPEC/STD DATA: 111CL1GR00 TYPE
•
OVERALL OUTSIDE DIAMETER: 150.00 MILLIMETERS NOMINAL MM
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
INTERNAL FIT-UP DESIGNATIONSTANDARD
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LOAD DIRECTIONRADIAL
MATERIALSTEEL OVERALL
BORE SHAPESTRAIGHT
NONDEFINITIVE SPEC/STD DATA111CL1GR00 TYPE
OVERALL OUTSIDE DIAMETER150.00 MILLIMETERS NOMINAL MM
BORE DIAMETER85.00 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
84053InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
14521InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10910986InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6217J1C3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FFS92ANDTYPE1ANDSTYLE1SInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6217InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 217K?
217K is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace 217K?
There are 27 known substitutes for 217K: 84053, 14521, 10910986 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 217K?
217K is cataloged in the Federal Logistics Information System under NSN 3110-00-144-8931. 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: September 2026