... usually not surface treated but oiled and are supplied with a lock nut and a locking device. They have an oil duct ... slotted and have an external taper. This allows the sleeve to be used with wide spherical roller bearings. Withdrawal sleeves for oil ... , H3060, H3064, H3068, H3072, H3076, H3080, H3084, H3088, H3092, H3096Adapter Sleeve ( H2300 ): H2304, H2305, H2306, H2307, H2308, H2309, H2310, H2311, ...