The 2001 Jeep Cherokee 4.0 uses a metal timing chain and not a rubber timing belt. The price for a new chain ranges from about $40.00 to $75.00 depending on the manufacturer.
Height:
11 inches multiplied by 2.54 = 27.9 centimeters.
Width:
8.5 inches multiplied by 2.54 = 21.6 centimeters.