N-420

Carlisle Brake & Friction's N-420 is an oil cooled friction material with a very benign lockup. This material is available in a variety of friction thicknesses and oil groove patterns depending on application.

Additional Product Details

Very benign lockup
Available in a variety of friction thicknesses and oil groove patterns
PTO clutches

Technical Specifications

Typical Applications	PTO clutches
Energy Capacity	Medium
Dynamic* Coefficient	.12 to .14
Static* Coefficient	.15 to .17
Max Static Load, Mpa	5.5
Max Dynamic Load, Mpa	2.8

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Contact
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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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N-420

Additional Product Details

Technical Specifications

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