The NSK BB101 SWR Double V-Belt is a high-performance power transmission component engineered for serpentine drives. This genuine NSK belt features a top width of 17mm and a height of 13mm. It has an inside length (Li) of 2565mm, an outside length (La) of 2640mm, and a pitch length (Lp) of 2600mm. Designed to transmit power from both sides, the BB101 is ideal for various agricultural, textile, and general industrial machinery applications requiring efficient multi-pulley power transfer.