N-809

Carlisle Brake & Friction's N-809 is a friction material with good friction stability, heat capacity and pressure capability. N-809 is primarily used in brake applications for wheel-loaders and off-highway trucks. This material is available in a variety of friction thickness and oil groove patterns depending on application.

Additional Product Details

Good friction stability
High heat capacity and pressure capability
Off-highway truck brakes
Wheel loader brakes

Technical Specifications

Typical Applications	Brakes for loaders & off-highway trucks
Energy Capacity	Medium to High
Dynamic* Coefficient	.11 to .15
Static* Coefficient	.10 to .16
Max Static Load, Mpa	5.6
Max Dynamic Load, Mpa	4.5

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Company Name
Contact
Address 1
Address 2
Phone (Optional)
Email Address
Vehicle Type
Vehicle Model Number
Approximate Annual Volume
Normal Brake Usage	Service Park/ Secondary
Brake Location	Wheel Drive Shaft
Actuation	Mechanical Hydraulic SAHR
Actuation Fluid	Automotive Brake Fluid Mineral Oil Air
Gross Vehicle Weight (W gross)
Empty Vehicle Weight (W empty)
Gear Reduction (Gear red)	All gear reduction between the brake location and the vehicle ground contact.
Total Resistance (R%)	2% standard unless otherwise specified.
Maximum Brake Pressure (Pmax)	Maximum pressure available at brake input.
Number of Braked Wheels (n wheel)
Tire Rolling Radius in inches: Static (Rstatic)	Dynamic (Rdvn)
Brake Clearance in inches: Rim I.D.
Hub O.D.
Disc Dimensions in inches: O.D.
Thickness
Grade Hold Requirement (Gstatic.%)
Maximum Level Surface Speed (Vmax)
Stop Distance Requirement (Sstop)
System Actuating Time Delay (tdelay)	0% will be used unless otherwise specified.
Dynamic Grade Requirement (Gdvn.%)
Ground Coefficient (µground)	0.5 is typical ground coefficient for unmaintained loose earth.
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