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Technical Data Sheet
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99017-38 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

99017-38: BEARING,ROLLER,TAPERED.

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 diameter: 6.625 INCHES NOMINAL IN, material: ALUMINUM OVERALL, hub_location: CENTER, blade_quantity: 12, style_designator: STRAIGHT TIP, attachment_method: BOLT HOLE. This part is cataloged in the U.S.

Government catalog under NSN 4140-00-635-6256, 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
99017-38
NSN: 4140-00-635-6256
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
diameter6.625 INCHES NOMINAL IN
materialALUMINUM OVERALL
hub_locationCENTER
blade_quantity12
style_designatorSTRAIGHT TIP
attachment_methodBOLT HOLE
mounting_hole_diameter0.188 INCHES NOMINAL IN
mounting_hole_quantity4
mounting_bolt_circle_diameter2.125 INCHES NOMINAL IN
NSN4140-00-635-6256
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BEARING,ROLLER,TAPERED TITLE COMPONENT PN 99017-38 MFR BEARING,ROLLER,TAPERED
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 4
•
STYLE DESIGNATOR: STRAIGHT TIP
•
ATTACHMENT METHOD: BOLT HOLE
•
MOUNTING HOLE DIAMETER: 0.188 INCHES NOMINAL IN
•
DIAMETER: 6.625 INCHES NOMINAL IN
•
BLADE QUANTITY: 12
•
MOUNTING BOLT CIRCLE DIAMETER: 2.125 INCHES NOMINAL IN
•
HUB LOCATION: CENTER
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
MOUNTING HOLE QUANTITY4
STYLE DESIGNATORSTRAIGHT TIP
ATTACHMENT METHODBOLT HOLE
MOUNTING HOLE DIAMETER0.188 INCHES NOMINAL IN
DIAMETER6.625 INCHES NOMINAL IN
BLADE QUANTITY12
MOUNTING BOLT CIRCLE DIAMETER2.125 INCHES NOMINAL IN
HUB LOCATIONCENTER
MATERIALALUMINUM OVERALL
SUBSTITUTES & CROSS-REFERENCES 4
123397Reference document
Same NSN cross-reference
Reference document — Secondary reference
32854Reference document
Same NSN cross-reference
Reference document — Secondary reference
JHP85-360Reference document
Same NSN cross-reference
Reference document — Secondary reference
4140006356256Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 99017-38?
99017-38 is a BEARING,ROLLER,TAPERED.
What parts can replace 99017-38?
There are 4 known substitutes for 99017-38: 123397, 32854, JHP85-360 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 99017-38?
99017-38 is cataloged in the U.S. Government catalog under NSN 4140-00-635-6256. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.