Based on model FBL 35M, this model has a lead ball that serves as a guide when the inner rail is inserted.
Rail length: 305 to 711mm
Stroke: 229 to 508mm

Model No. Rail length L (±0.8) Stroke S (±3) Permissible load N/pair Detail specifications CAD Dimensional drawing 2D (DXF) 3D mm mm FBL35J+305L 305 229 490 FBL35J+356L 356 279 400 FBL35J+406L 406 305 390 FBL35J+457L 457 330 380 FBL35J+508L 508 381 330 FBL35J+559L 559 406 320 FBL35J+610L 610 432 310 FBL35J+660L 660 483 280 FBL35J+711L 711 508 270