PartsTable
Technical Data Sheet
8128 ✓ Verified by PartsTable
JBL · 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

High-fidelity performance at a costeffective price point, the 8100 Series is an easy to install loudspeaker solution for a wide variety of commercial sound applications. With two models in the line, the 8124, a 4-inch (100 mm) full-range loudspeaker and the 8128, an 8-inch (200 mm) full-range loudspeaker, the 8100 Series feature high sensitivity drivers that deliver maximum sound levels using minimal amplifier power.<br><br>With its contemporary grill design, the 8100 Series loudspeakers are ideal for a variety of settings ranging from restaurant and retail settings to professional offices and reception / waiting areas. Because of the very light weight of 8124 and 8128, tile rails may not be required for some in-ceiling applications.

They are not packaged with these models, however MTC-RAIL tile rail sets and C-Rings are available separately. Featuring 70V/100V taps and open-back design, the 8100 series brings elegance and performance to basic commercial sound systems, or any applicati This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0302, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
8128
NSN: 3110-00-100-0302
FSC: 3110
CAGE: 13841 — TIFFIN PARTS, L.L.C. DIV SUBSIDIARY OF PETTIBONE CORP. (USA)
SPECIFICATIONS
materialPLASTIC HANDLE
quantity6
body_width1.625 INCHES NOMINAL IN
body_height2.375 INCHES NOMINAL IN
body_length1.625 INCHES NOMINAL IN
design_typeDOUBLE ARM
blade_length25.000 MILLIMETERS NOMINAL MM
overall_width1.250 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_length0.210 INCHES MAXIMUM IN
mounting_methodTERMINAL
size_designator45
NSN3110-00-100-0302
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 8128 · JBL ⚠ 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
BACKFACE CORNER RADIUS: 0.0312 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
STYLE DESIGNATOR: NORMAL ANGLE
OUTSIDE DIAMETER: 3.8125 INCHES NOMINAL IN
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.6250 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0312 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
STYLE DESIGNATORNORMAL ANGLE
OUTSIDE DIAMETER3.8125 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
3821Interchangeable
interchangeable cross-reference
interchangeable
14204Interchangeable
interchangeable cross-reference
interchangeable
73458Interchangeable
interchangeable cross-reference
interchangeable
32-50178-9Interchangeable
interchangeable cross-reference
interchangeable
203-5920-9Interchangeable
interchangeable cross-reference
interchangeable
382AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8128?
8128 is a RESISTOR,FIXED,WIRE WOUND,INDUCT manufactured by JBL.
What parts can replace 8128?
There are 23 known substitutes for 8128: 3821, 14204, 73458 and 20 more. Substitute compatibility should be verified for your specific system.
Is 8128 still available?
8128 is currently cancelled.
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