Taper Lock Type Diameter of the Bore (H7) Keyway According to DIN 6885 Sheet 1 - JS9 Transmittable Friction Torque Ø Bore (mm) (Nm) All measurements in millimetres unless otherwise stated. * Only “B1” execution Size Taper Bushing E B L H M S N I 108 (2820) ,5 2012 (5030) 90/100 * 3535 (9090) 200 180 223 89 45 5,5 34 70 75/90 2517 (6545) 160 158 130 45 40 5 30 36 65/75 135 133 101 33 35 4,5 26 19 55/70 2012 (5030) 120 118 96 33 30 4 22 20 48/60 1615 (4040) 105 104 106 39 28 3,5 21 28 42/55 1610 (4025) 95 94 78 26 26 3 20 16 38/45 1108 (2820) 80 78 70 23 24 3 18 15 28/38 1 65 65 66 23 20 2 15 - GRB Taper Bushing Series ® TRASCO Jaw Couplings ® ® TRASCO couplings type GRB for taper bushing SER-SIT , are manufactured in cast iron GG25. ® They combine the typical high performances of standard TRASCO couplings with the advantages of easy mounting and dismounting offered by the ® taper bushing SER-SIT . These hubs are manufactured in two different mounting executions: • B1: installing of taper bushing from outside. • B2: installing of taper bushing from inside (not available for size 90/100). The GRB execution eliminate the problem of fitting corrosion, making it suitable for all type of machinery. Hubs type B1 may be axially moved for spider replacement. 1108 mm 9, 10, 11, 12, 14, 15, 16, 18, 19, 20, 22, 24, 25, 26, 27, 28 12 19 28 49 150 (2820) inches ³⁄ - ¹⁄ - ⁵⁄ - ³⁄ - ⁷⁄ - 1 - 1¹⁄ 24 28 64 79 1610 mm 12, 14, 15, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 35, 38, 40, 42 19 24 98 135 490 (4025) inches ³⁄ - ¹⁄ - ⁵⁄ - ³⁄ - ⁷⁄ -1 -1¹⁄ -1¹⁄ -1³⁄ -1¹⁄ -1⁵⁄ 38 42 240 265 1615 mm 12, 14, 15, 16, 18, 19, 20, 22, 24, 25, 28, 30, 32, 35, 38, 40, 42 19 24 98 135 490 (4040) inches ¹⁄ - ⁵⁄ - ³⁄ - ⁷⁄ - 1 - 1¹⁄ - 1¹⁄ - 1³⁄ - 1¹⁄ - 1⁵⁄ - 1³⁄ 38 42 240 265 2012 mm 14, 15, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 35, 38, 40, 42, 45, 48, 50 24 38 42 165 310 340 800 (5030) inches ⁵⁄ -³⁄ - ⁷⁄ -1 -1¹⁄ -1¹⁄ -1³⁄ -1¹⁄ -1⁵⁄ -1³⁄ -1⁷⁄ - 2 48 50 400 420 2517 mm 6, 18, 19, 20, 22, 24, 25, 28, 30, 32, 35, 38, 40, 42, 45, 48, 50, 55, 60, 65 24 38 42 220 380 430 1300 (6545) inches ³⁄ - ⁷⁄ - 1 - 1¹⁄ - 1¹⁄ - 1³⁄ - 1¹⁄ - 1⁵⁄ - 1³⁄ - 1⁷⁄ - 2 - 2¹⁄ 2¹⁄ - 2³⁄ - 2¹⁄ 48 55 60 510 600 670 3535 mm 25, 28, 30, 32, 35, 38, 40, 42, 45, 48, 50, 55, 60, 65, 70, 75, 80, 85, 90 42 60 1000 1580 5000 (9090) inches 1¹⁄ - 1⁵⁄ - 1³⁄ - 1⁷⁄ - 2 - 2¹⁄ - 2¹⁄ - 2³⁄ - 2¹⁄ - 2⁵⁄ - 2³⁄ - 2⁷⁄ - 3 - 3¹⁄ - 3¹⁄ - 3³⁄ - 3¹⁄ 75 90 2150 2600 Transmissible Torque (Nm) 10 www.jbj.co.uk/couplings.html #DriveLineHarmony Ø d Ø d L Ø B Ø B Ø E I I S N H H S M Ø d Ø d L S N S H H M Ø B Ø B Ø E B1 B2 I I
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