The NTN 22228 is a large size spherical roller bearings with ISO dimensions 140×250×68 mm. Bearings in the 140mm bore range are commonly used in ball mills, vibrating screens, jaw crushers, heavy conveyors. This is an open type, requires periodic lubrication, suitable for clean environments variant. NTN Japan — Japanese technology, consistent quality, strong in automotive and machine tool bearings — 6 equivalent brands available under ISO designation 22228.