The NSK B109 SWR is a high-quality sheathed (wrapped) V-belt designed for reliable power transmission in demanding industrial and agricultural machinery. Featuring a B-profile, this belt has a top width of 17mm and a height of 11mm. Its inner length (Li) measures 2769mm (109 inches), with an approximate outer length (La) of 2820mm and a pitch length (Lp) of 2794mm. Constructed for durability and efficient operation, it provides excellent grip and flexibility.