DescriptionThomson Bearing Supports for simple mounting of Thomson ball screw and ball spline assembliesRugged steel constructionScrew must be machined to fit into the block*Not compatible with all 1.5 in screws - See Related Products for full compatibility listDimension[A]54.00 mm (2.126 in)[B]76.00 mm (2.992 in)[C]152.00 mm (5.984 in)[D]21.00 mm (0.827 in)[D2]13.50 mm (0.531 in)[D3]25.00 mm (0.984 in)[F]42.00 mm (1.654 in)[J]51.00 mm (2.008 in)[K]44.45 mm (1.750 in)[L]85.90 mm (3.382 in)[M]4x 16.66 dia[N]2x 23.01 Thru, 34.93 C-Bore x[Q]42.00 mm (1.654 in)[R]25.40 mm (1.000 in)[S]68.00 mm (2.677 in)[T]29.00 mm (1.142 in)[TH]KM-05[U min]19.98 mm (0.787 in)[U max]20.00 mm (0.787 in)[V min]25.00 mm (0.984 in)[V max]25.01 mm (0.985 in)[W]15.00 mm (0.591 in)[X]5.00 mm (0.197 in)[Y]32.00 mm (1.260 in)