Steel ball transfer unit KUF series

spring

Ball transfer units with felt seal – Size 22 Product Description Spring-loaded ball transfer unit Galvanized cover and housing, balls made from anti-friction bearing steel Size = 22 Cup spring With felt seal, lubricated Spring-loaded Ball transfer units are supported on springs and mounted under preload in a housing Ball transfer unit recedes into its housing under high loads Cover and housing galvanized Balls made from antifriction bearing steel 1.3505 With cup springs (TF) or washer key (SF) Technical Specs Nominal size [mm] 22 Maximum permissible linear speed vmax [m/s] 2.0 Note: maximum permissible speed vmax In case of prolonged periods of use at speeds above 1 m/s, an increase in temperature and reduction in service life is to be expected depending on the load. Outer diameter D [mm] 50.0 Operating temperature (min. … max.) -30 °C ... +100 °C Note: permissible operating temperature (min. ... max.) At temperatures above 100 °C, only bright metal ball transfer units without a felt seal should be used. Make allowance for reduction in load capacity. Use high-temperature lubricant! Follow the manufacturer’s instructions! The existing lubricant oil may have to be washed out. Weight [kg] 0.29 Maximum operating temperature [°C] +100 Minimum operating temperature [°C] -30 Dimension a [mm] 13.6 Tolerance b ±0.2 Tolerance c +0.2 Dimension D [mm] 50 Tolerance D [mm] ±0.1 Dimension D1 [mm] 38.8 Dimension dW [mm] 22.225 Dimension h [mm] 18.6 Dimension H [mm] 58.1