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    TBI MOTION SOT Ball Spline Cylindrical Nut

    TBI MOTION SOT Ball Spline Cylindrical Nut

    SOT is a compact cylindrical ball spline nut of the SO series, fixed in its housing with a key.

    Key features

    • It runs on a precision spline shaft with a two-row ball structure and transmits torque while moving linearly
    • Sizes cover nominal 8 to 25 mm and suit compact automation and semiconductor mechanisms

    Specifications

    Ball rows 2
    Accuracy grades N/H/P
    Preload P0/P1/P2
    Shaft solid or hollow, length to order
    SOT8 Shaft diameter d: 8 mm | Ball rows: 2 | Nut OD D: 15 mm | Nut length L: 25 mm | S: 14.6 mm | L1: 8.5 mm | Keyway b x t: 2.5 x 1.5 mm | Basic dynamic load C: 121 kgf | Basic static load C0: 136 kgf | Dynamic torque CT: 0.56 kgf-m | Static torque C0T: 0.63 kgf-m | Static moment MA1/MA2: 0.34/2.24 kgf-m | Nut mass: 15.9 g | Shaft mass: 0.39 kg/m | Accuracy grades: N/H/P | Preload: P0/P1/P2 | Shaft: solid or hollow, length to order
    SOT10 Shaft diameter d: 10 mm | Ball rows: 2 | Nut OD D: 19 mm | Nut length L: 30 mm | S: 18.2 mm | L1: 11 mm | Keyway b x t: 3 x 1.8 mm | Basic dynamic load C: 192 kgf | Basic static load C0: 219 kgf | Dynamic torque CT: 1.11 kgf-m | Static torque C0T: 1.27 kgf-m | Static moment MA1/MA2: 0.71/4.23 kgf-m | Nut mass: 31.5 g | Shaft mass: 0.61 kg/m | Accuracy grades: N/H/P | Preload: P0/P1/P2 | Shaft: solid or hollow, length to order
    SOT12 Shaft diameter d: 12 mm | Ball rows: 2 | Nut OD D: 21 mm | Nut length L: 35 mm | S: 23 mm | L1: 15 mm | Keyway b x t: 3 x 1.8 mm | Basic dynamic load C: 222 kgf | Basic static load C0: 274 kgf | Dynamic torque CT: 1.51 kgf-m | Static torque C0T: 1.87 kgf-m | Static moment MA1/MA2: 1.08/6.02 kgf-m | Nut mass: 44 g | Shaft mass: 0.88 kg/m | Accuracy grades: N/H/P | Preload: P0/P1/P2 | Shaft: solid or hollow, length to order
    SOT15 Shaft diameter d: 13.6 mm | Ball rows: 2 | Nut OD D: 23 mm | Nut length L: 40 mm | S: 27 mm | L1: 20 mm | Keyway depth t: 2 mm | Basic dynamic load C: 426 kgf | Basic static load C0: 619 kgf | Dynamic torque CT: 3.19 kgf-m | Static torque C0T: 4.65 kgf-m | Static moment MA1/MA2: 2.83/15.49 kgf-m | Nut mass: 59.5 g | Shaft mass: 1.11 kg/m | Accuracy grades: N/H/P | Preload: P0/P1/P2 | Shaft: solid or hollow, length to order
    SOT20 Shaft diameter d: 18.2 mm | Ball rows: 2 | Nut OD D: 30 mm | Nut length L: 50 mm | S: 33 mm | L1: 26 mm | Keyway b x t: 4 x 2.5 mm | Basic dynamic load C: 673 kgf | Basic static load C0: 922 kgf | Dynamic torque CT: 6.73 kgf-m | Static torque C0T: 9.22 kgf-m | Static moment MA1/MA2: 4.95/29.36 kgf-m | Nut mass: 130 g | Shaft mass: 2.02 kg/m | Accuracy grades: N/H/P | Preload: P0/P1/P2 | Shaft: solid or hollow, length to order
    SOT25 Shaft diameter d: 22.6 mm | Ball rows: 2 | Nut OD D: 37 mm | Nut length L: 60 mm | S: 39.2 mm | L1: 29 mm | Keyway b x t: 5 x 3 mm | Basic dynamic load C: 1142 kgf | Basic static load C0: 1458 kgf | Dynamic torque CT: 14.17 kgf-m | Static torque C0T: 18.14 kgf-m | Static moment MA1/MA2: 9.46/56.17 kgf-m | Nut mass: 220 g | Shaft mass: 3.10 kg/m | Accuracy grades: N/H/P | Preload: P0/P1/P2 | Shaft: solid or hollow, length to order
    Ball SplinesTBI MOTION
    6 product codes available in this family
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    TBI MOTION SOT Ball Spline Cylindrical Nut

    Brand TBI MOTION·Ball Splines

    Available part numbers (6)

    SOT8, SOT10, SOT12, SOT15, SOT20, SOT25

    How to order

    Send the TBI MOTION part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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    Product codes & specifications
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    Product codeSpec
    SOT8Shaft diameter d: 8 mm | Ball rows: 2 | Nut OD D: 15 mm | Nut length L: 25 mm | S: 14.6 mm | L1: 8.5 mm | Keyway b x t: 2.5 x 1.5 mm | Basic dynamic load C: 121 kgf | Basic static load C0: 136 kgf | Dynamic torque CT: 0.56 kgf-m | Static torque C0T: 0.63 kgf-m | Static moment MA1/MA2: 0.34/2.24 kgf-m | Nut mass: 15.9 g | Shaft mass: 0.39 kg/m | Accuracy grades: N/H/P | Preload: P0/P1/P2 | Shaft: solid or hollow, length to order
    SOT10Shaft diameter d: 10 mm | Ball rows: 2 | Nut OD D: 19 mm | Nut length L: 30 mm | S: 18.2 mm | L1: 11 mm | Keyway b x t: 3 x 1.8 mm | Basic dynamic load C: 192 kgf | Basic static load C0: 219 kgf | Dynamic torque CT: 1.11 kgf-m | Static torque C0T: 1.27 kgf-m | Static moment MA1/MA2: 0.71/4.23 kgf-m | Nut mass: 31.5 g | Shaft mass: 0.61 kg/m | Accuracy grades: N/H/P | Preload: P0/P1/P2 | Shaft: solid or hollow, length to order
    SOT12Shaft diameter d: 12 mm | Ball rows: 2 | Nut OD D: 21 mm | Nut length L: 35 mm | S: 23 mm | L1: 15 mm | Keyway b x t: 3 x 1.8 mm | Basic dynamic load C: 222 kgf | Basic static load C0: 274 kgf | Dynamic torque CT: 1.51 kgf-m | Static torque C0T: 1.87 kgf-m | Static moment MA1/MA2: 1.08/6.02 kgf-m | Nut mass: 44 g | Shaft mass: 0.88 kg/m | Accuracy grades: N/H/P | Preload: P0/P1/P2 | Shaft: solid or hollow, length to order
    SOT15Shaft diameter d: 13.6 mm | Ball rows: 2 | Nut OD D: 23 mm | Nut length L: 40 mm | S: 27 mm | L1: 20 mm | Keyway depth t: 2 mm | Basic dynamic load C: 426 kgf | Basic static load C0: 619 kgf | Dynamic torque CT: 3.19 kgf-m | Static torque C0T: 4.65 kgf-m | Static moment MA1/MA2: 2.83/15.49 kgf-m | Nut mass: 59.5 g | Shaft mass: 1.11 kg/m | Accuracy grades: N/H/P | Preload: P0/P1/P2 | Shaft: solid or hollow, length to order
    SOT20Shaft diameter d: 18.2 mm | Ball rows: 2 | Nut OD D: 30 mm | Nut length L: 50 mm | S: 33 mm | L1: 26 mm | Keyway b x t: 4 x 2.5 mm | Basic dynamic load C: 673 kgf | Basic static load C0: 922 kgf | Dynamic torque CT: 6.73 kgf-m | Static torque C0T: 9.22 kgf-m | Static moment MA1/MA2: 4.95/29.36 kgf-m | Nut mass: 130 g | Shaft mass: 2.02 kg/m | Accuracy grades: N/H/P | Preload: P0/P1/P2 | Shaft: solid or hollow, length to order
    SOT25Shaft diameter d: 22.6 mm | Ball rows: 2 | Nut OD D: 37 mm | Nut length L: 60 mm | S: 39.2 mm | L1: 29 mm | Keyway b x t: 5 x 3 mm | Basic dynamic load C: 1142 kgf | Basic static load C0: 1458 kgf | Dynamic torque CT: 14.17 kgf-m | Static torque C0T: 18.14 kgf-m | Static moment MA1/MA2: 9.46/56.17 kgf-m | Nut mass: 220 g | Shaft mass: 3.10 kg/m | Accuracy grades: N/H/P | Preload: P0/P1/P2 | Shaft: solid or hollow, length to order

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