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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]53.98 mm (2.125 in)[B]76.20 mm (3.000 in)[C]152.40 mm (6.000 in)[D]21.01 mm (0.827 in)[D2]13.49 mm (0.531 in)[D3]25.00 mm (0.984 in)[F]42.01 mm (1.654 in)[J]50.80 mm (2.000 in)[K]44.45 mm (1.750 in)[L]85.85 mm (3.380 in)[M]4x .656 dia[N]2x .906 Thru, 1.375 C-Bore x 2[Q]42.01 mm (1.654 in)[R]25.40 mm (1.000 in)[S]68.07 mm (2.680 in)[T]28.45 mm (1.120 in)[TH]N-05[U min]19.02 mm (0.749 in)[U max]19.05 mm (0.750 in)[V min]25.00 mm (0.984 in)[V max]25.01 mm (0.985 in)[W]15.01 mm (0.591 in)[X]4.78 mm (0.188 in)[Y]31.75 mm (1.250 in)