What is a bolted roller bearing? What are his functions and classifications? -2 Classification of bolted roller bearings 1) Basic type NUKR series bolted roller bearings NUKR series is a fully loaded double row cylindrical roller structure. 2) Eccentric sleeve NUKRE series bolted roller bearings NUKRE series and NUKR series are similar full complement double row cylindrical roller structure. The only difference is that the NUKRE series has an eccentric sleeve on the bolt shaft. 3) Double raceway PWKR series bolted roller bearings PWKR series are similar to NUKR series. It is a fully loaded double row cylindrical roller structure. The only difference is that the outer ring of the PWKR is a double raceway, and the two rows of rollers are separated. 4) NUKRA series with side rollers NUKRA series is similar to NUKR series in appearance. The difference is that the NUKRA is a stud and has side rollers added to the end of the bolt shaft, resulting in a structural change. NUKRA is a single row full complement cylindrical roller structure. This structure is the former one in Wuxi Wald Bearings, and is applying for a patent. 5) KR series KR series curved bolt roller bearings are roller cage assembly bearings. The outer ring is axially guided by ribs on the bolts and retaining rings fixed on the bolts to withstand heavy loads and moderate speeds. Lubrication intervals are extended due to the bearing's larger grease storage space. The KR is similar to the NUKR, except that the KR has a retaining ring on both ends, while the NUKR has a retaining ring on one end. 6) KRV series KRV series arc bolt roller bearings are full complement bolt roller bearings. The outer ring is guided axially by ribs on the bolts and a retaining ring fastened to the bolts. It can withstand heavy loads at low speeds, but must be lubricated regularly. Fat. The KRV is similar to the NUKR, except that the KRV has a retaining ring on both ends, while the NUKR has a retaining ring on one end.
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