23080 CCK/W33 Bearing

The 23080 CCK/W33 spherical roller bearing handles heavy radial and moderate axial loads in applications requiring automatic shaft alignment, such as vibrating screens, mining crushers, and steel mill roll necks. Its "CCK" suffix denotes a tapered bore (1:12 cone ratio) with an adapter sleeve for simplified mounting on cylindrical shafts, while the W33 code indicates three lubrication grooves and oil holes for consistent grease distribution in high-speed or oil-bath systems. The symmetrical barrel rollers and spherical outer raceway compensate for shaft misalignment up to ±1.5°, preventing edge stress in conveyor drive pulleys or paper machine dryer sections exposed to thermal expansion. Manufactured from vacuum-arc-remelted 100Cr6 steel (raceways hardened to HRC 60-64) and a machined brass cage, it resists shock loads in cement rotary kilns or aggregate processing equipment. Pre-lubricated with lithium complex grease (ISO VG 320 base oil), the bearing operates in temperatures from -30°C to +150°C and complies with ISO 15:2017 dimensional standards and DIN 635-2 load ratings. Field data from coal pulverizers shows a 40% longer relubrication interval compared to standard W33 bearings, with triple-labyrinth seals reducing contamination in quarrying machinery. Certified for marine use (ABS/GL approvals), it's widely deployed in ship propeller shafts and offshore crane slew rings, offering 18,000-hour L10 life under 12 kN/mm² specific pressure.

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