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Technical Data Sheet
PartsTable / MRO / 1318-1
1318-1 ✓ Verified by PartsTable
ASUS · MRO · MRO_GENERAL
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

ASUS Extreme AX550GE is equipped with ASUS exclusive innovations and ATI Radeon X550 VPU,a “true” PCI-Express solution. Extreme AX550GE fully supports the PCI Express bus, the newest PC industry standard for delivering maximum real-time performance for your graphics-intensive software applications. Additionally, Extreme AX550GE incorporates various innovative technologies, such as ASUS GameFace Live, ASUS VideoSecurity Online, ASUS OnScreenDisplay, ATI's SmartShader, and SmoothVision.

Extreme AX550GE is a complete solution for the new PCI-Express market. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-101-0820, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 1318-1
NSN: 3110-00-101-0820
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
length0.750 INCHES NOMINAL SQUARE END IN
materialGLASS BODY
body_styleW/MTG TABS/FLANGES TERMINAL(S) ON ONE SURFACE
body_width1.125 INCHES NOMINAL IN
cone_width0.6875 INCHES NOMINAL IN
lens_colorRED, AVIATION
body_height2.031 INCHES MAXIMUM IN
body_length0.490 INCHES MAXIMUM IN
bore_diameter1.8125 INCHES NOMINAL IN
thread_length2.500 INCHES MINIMUM IN
coil_form_typeHOLLOW SINGLE COMPONENT
flute_quantity4
NSN3110-00-101-0820
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1318-1 · ASUS ⚠ 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 1.8125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE CORNER RADIUS: 0.0312 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
CONE WIDTH: 0.6875 INCHES NOMINAL IN
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 (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER1.8125 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
CONE CORNER RADIUS0.0312 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CONE WIDTH0.6875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
14517Interchangeable
interchangeable cross-reference
interchangeable
13181Interchangeable
interchangeable cross-reference
interchangeable
A132REVAPC73Interchangeable
interchangeable cross-reference
interchangeable
9-1318-1Interchangeable
interchangeable cross-reference
interchangeable
SMC500470-5Interchangeable
interchangeable cross-reference
interchangeable
666092-790Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1318-1?
1318-1 is a CAPACITOR,FIXED,PLASTIC DIELECTR manufactured by ASUS. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1318-1?
There are 13 known substitutes for 1318-1: 14517, 13181, A132REVAPC73 and 10 more. Substitute compatibility should be verified for your specific system.
Is 1318-1 still available?
1318-1 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