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Technical Data Sheet
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L2-10 — CAPACITOR,VARIABLE,AIR DIELECTRI

✓ Government record, cited
Epson · TAPERED BEARING
PRODUCT OVERVIEW

L2-10: CAPACITOR,VARIABLE,AIR DIELECTRI.

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include width: 0.500 INCHES NOMINAL IN, length: 2.500 INCHES NOMINAL IN, material: ALUMINUM, thickness: 0.020 INCHES NOMINAL IN, bore_shape: STRAIGHT, bore_style: PLAIN BOTH ENDS. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-5093, 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
L2-10
NSN: 3110-00-156-5093
NIINs: 001565093, 003026075, 015636442
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
width0.500 INCHES NOMINAL IN
length2.500 INCHES NOMINAL IN
materialALUMINUM
thickness0.020 INCHES NOMINAL IN
bore_shapeSTRAIGHT
bore_stylePLAIN BOTH ENDS
design_typeSPUR FIRST GEAR
constructionSOLID
bore_diameter50.00 MILLIMETERS NOMINAL MM
overall_width20.0 MILLIMETERS NOMINAL MM
alignment_typeSELF-ALIGNING
load_directionANGULAR
NSN3110-00-156-5093
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: L2-10 · Epson ⚠ 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
•
RETAINER FABRICATION METHOD: PRESSED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 90.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
NONDEFINITIVE SPEC/STD DATA: 123 TYPE AND 00 GRADE
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
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORNON-SEPARABLE
OVERALL WIDTH20.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER90.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
NONDEFINITIVE SPEC/STD DATA123 TYPE AND 00 GRADE
LOAD DIRECTIONANGULAR
ALIGNMENT TYPESELF-ALIGNING
SUBSTITUTES & CROSS-REFERENCES 8
177009-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
FFB171Reference document
Same NSN cross-reference
Reference document — Identification reference
12Z315-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
122359-50Reference document
Same NSN cross-reference
Reference document — Secondary reference
1210SAReference document
Same NSN cross-reference
Reference document — Secondary reference
72-6970-020Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is L2-10?
L2-10 is a CAPACITOR,VARIABLE,AIR DIELECTRI manufactured by Epson.
What parts can replace L2-10?
There are 8 known substitutes for L2-10: 177009-70, FFB171, 12Z315-70 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L2-10?
L2-10 is cataloged in the U.S. Government catalog under NSN 3110-00-156-5093. This indicates validated use in U.S. government and defense supply chains.
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