DescriptionPolymer ball-return tube reduces noise and vibration while retaining lubricationStandard double lip end and longitudinal seals retain lubrication while protecting the bearing from contaminationLubrication channels that direct lubricant to individual ball tracks, maximizing lubricating effectivenessDouble-faced ball tracks utilize a 45° face-to-face bearing arrangement, resulting in equal load-carrying capacity in all directionsCarriages available with two internal configurations: standard ball bearings only (411), or premium ball cage added (413). When compared to the 411 design, the 413 option provides increased travel smoothness, lower noise at high speeds, and individual lubricant reservoirs. Both configurations are designed to run on the same rail (421)Dimension[A]28.0 mm[B]34.0 mm[B2]9.5 mm[G]6.0 mm[J]24.7 mm[L]58.6 mm[L1]26.0 mm[L3]40.2 mm[LN]5.0 mm[M1]9.5 mm[N]26.0 mm[S1]M4Performance100 km Dynamic [Mx] Roll Moment51 N·m (38 lbf·ft)100 km Dynamic [My] Pitch Moment51 N·m (38 lbf·ft)100 km Dynamic [Mz] Yaw Moment44 N·m (32 lbf·ft)100 km Dynamic Load Rating7,380 N (1,659 lbf)50 km Dynamic [Mx] Roll Moment65 N·m (48 lbf·ft)50 km Dynamic [My] Pitch Moment65 N·m (48 lbf·ft)50 km Dynamic [Mz] Yaw Moment56 N·m (41 lbf·ft)50 km Dynamic Load Rating9,300 N (2,091 lbf)Maximum Acceleration50 m/s² (164 ft/s²)Maximum Velocity3 m/s (10 ft/s)Static [Mx] Roll Moment135 N·m (100 lbf·ft)Static [My] Pitch Moment118 N·m (87 lbf·ft)Static [Mz] Yaw Moment118 N·m (87 lbf·ft)Static Load Rating19,600 N (4,406 lbf)