ZKLDF bearings

Design Principle: The double rows of rollers are arranged orthogonally at 90°, forming an "X"-shaped contact line, which evenly distributes the composite load. The integrated track design of the inner and outer rings reduces assembly errors and enhances the system rigidity. Performance Features: High Rigidity: With the double-row roller layout, the anti-overturning moment capacity can reach 3000 N·m (referring to the model ZKLDF650). Low Friction: Thanks to the optimized design of the roller end faces, the friction coefficient is ≤ 0.0015. Long Life: The GCr15 material undergoes a vacuum degassing treatment, increasing the fatigue life by 30%.

Load Distribution: Radial Load: It is transmitted through the vertical contact of the double rows of rollers, resulting in a uniform stress distribution. Axial Load: The end faces of the upper row of rollers bear the thrust force, and the lower row of rollers balances it in the opposite direction. Moment Load: The rollers on the diagonal resist the overturning moment, reducing deformation. Lubrication and Sealing: Grease Lubrication: Krytox® high-temperature lubricating grease is applicable in the temperature range from -30°C to 120°C. Oil Lubrication: The built-in oil circuit supports circulating oil cooling and is suitable for high-speed scenarios (≤500 rpm). Sealing Design: -2RS double seals, with a protection class of IP65.