SKF NN 3020 KTN9 SPW33 Precision Cylindrical Double Row Bearing

SKF NN 3020 KTN9/SPW33 is a precision double‑row cylindrical roller bearing from the SKF Super‑Precision family. It has a 100 mm bore, 150 mm outer diameter, and 37 mm width, with a tapered bore (1:12) for adaptable mounting. The SP suffix denotes a high‑precision tolerance class, while SPW33 indicates grease lubrication with SKF W33 lubricant. The cage is fiberglass‑reinforced plastic, and the bearing uses steel rollers and races with an internal clearance around C1. Weighing approximately 2.28 kg and rated for operation up to 120 °C, this model is designed for high‑precision, high‑speed applications where a compact double‑row support is required.