![[THK] — LBH Ball Spline Nut (Square Body, Direct Mount)](https://prosourcemro.com/wp-content/uploads/2026/05/001-962-1024x811.png)
Ball Splines
THK
[THK] — LBH Ball Spline Nut (Square Body, Direct Mount)
Family ID: THK-LBH-BALL-SPLINE
THK LBH-type Ball Spline Nut with rigid square body — mountable directly to machine structure without a separate housing, enabling compact and high-rigidity linear guidance. High-temperature option available for all sizes. Felt seal available for LBH20–LBH50. Sizes: LBH15–LBH50.
6 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| LBH15 | THK LBH15, M=29mm W=34mm L=43mm square body, CT=30.4N·m | THK | Model: LBH15 | Type: LBH Ball Spline Nut, Square Body Direct Mount | Height M: 29 mm | Width W: 34 mm | Length L: 43 mm | B: 26 mm | C dim: 26 mm | Dynamic Torque CT: 30.4 N·m | Static Torque C0T: 74.5 N·m | Dynamic Load C: 4.4 kN | Static Load C0: 8.4 kN | Static Moment MA: 25.4 N·m | Nut Mass: 0.23 kg | Shaft Mass: 1.0 kg/m | Options: High-temp (metal retainer, ≤100°C) | ||
| LBH20 | THK LBH20, M=38mm W=48mm L=62mm square body, CT=90.2N·m | THK | Model: LBH20 | Type: LBH Ball Spline Nut, Square Body Direct Mount | Height M: 38 mm | Width W: 48 mm | Length L: 62 mm | B: 35 mm | C dim: 35 mm | Dynamic Torque CT: 90.2 N·m | Static Torque C0T: 213.0 N·m | Dynamic Load C: 9.4 kN | Static Load C0: 20.1 kN | Static Moment MA: 103.0 N·m | Nut Mass: 0.58 kg | Shaft Mass: 1.8 kg/m | Options: High-temp (metal retainer, ≤100°C); Felt seal option available | ||
| LBH25 | THK LBH25, M=47mm W=60mm L=73mm square body, CT=176.0N·m | THK | Model: LBH25 | Type: LBH Ball Spline Nut, Square Body Direct Mount | Height M: 47 mm | Width W: 60 mm | Length L: 73 mm | B: 40 mm | C dim: 40 mm | Dynamic Torque CT: 176.0 N·m | Static Torque C0T: 381.0 N·m | Dynamic Load C: 14.9 kN | Static Load C0: 28.7 kN | Static Moment MA: 171.0 N·m | Nut Mass: 1.1 kg | Shaft Mass: 2.7 kg/m | Options: High-temp (metal retainer, ≤100°C); Felt seal option available | ||
| LBH30 | THK LBH30, M=57mm W=70mm L=83mm square body, CT=312.0N·m | THK | Model: LBH30 | Type: LBH Ball Spline Nut, Square Body Direct Mount | Height M: 57 mm | Width W: 70 mm | Length L: 83 mm | B: 50 mm | C dim: 50 mm | Dynamic Torque CT: 312.0 N·m | Static Torque C0T: 657.0 N·m | Dynamic Load C: 22.5 kN | Static Load C0: 41.4 kN | Static Moment MA: 295.0 N·m | Nut Mass: 1.73 kg | Shaft Mass: 3.8 kg/m | Options: High-temp (metal retainer, ≤100°C); Felt seal option available | ||
| LBH40 | THK LBH40, M=70mm W=86mm L=102mm square body, CT=696.0N·m | THK | Model: LBH40 | Type: LBH Ball Spline Nut, Square Body Direct Mount | Height M: 70 mm | Width W: 86 mm | Length L: 102 mm | B: 60 mm | C dim: 60 mm | Dynamic Torque CT: 696.0 N·m | Static Torque C0T: 1420.0 N·m | Dynamic Load C: 37.1 kN | Static Load C0: 66.9 kN | Static Moment MA: 586.0 N·m | Nut Mass: 3.18 kg | Shaft Mass: 6.8 kg/m | Options: High-temp (metal retainer, ≤100°C); Felt seal option available | ||
| LBH50 | THK LBH50, M=88mm W=100mm L=115mm square body, CT=1290.0N·m | THK | Model: LBH50 | Type: LBH Ball Spline Nut, Square Body Direct Mount | Height M: 88 mm | Width W: 100 mm | Length L: 115 mm | B: 75 mm | C dim: 75 mm | Dynamic Torque CT: 1290.0 N·m | Static Torque C0T: 2500.0 N·m | Dynamic Load C: 55.1 kN | Static Load C0: 94.1 kN | Static Moment MA: 941.0 N·m | Nut Mass: 5.1 kg | Shaft Mass: 10.6 kg/m | Options: High-temp (metal retainer, ≤100°C); Felt seal option available |
