Universal Parts HK172518RS Needle Bearing $4.99 Quantity discounts available QuantityPrice SKU: 105-73 Restock: Early June This item is IN STOCKCurrent Stock: 1 Quantity -+ Add to Cart Details Specs Inner Diameter: 17mm Outer Diameter: 25mm Width: 18mm Supported Models QMB139 50cc/49cc , Various unlisted makes/models DetailsSpecsSupported Models Back Universal Parts Sliding Sheave Needle Bearing for 50cc 4-stroke QMB139 engines. (Inner Diameter: 17mm, Outer Diameter: 25mm) Back Inner Diameter: 17mmOuter Diameter: 25mmWidth: 18mm Back QMB139 50cc/49cc , Various unlisted makes/models