![[THK] — SLF Ball Spline Nut (Flange Type, High-Torque Retainer)](https://prosourcemro.com/wp-content/uploads/2026/05/001-957-1024x806.png)
Ball Splines
THK
[THK] — SLF Ball Spline Nut (Flange Type, High-Torque Retainer)
Family ID: THK-SLF-BALL-SPLINE
THK SLF-type Ball Spline Nut, flange type for bolt mounting to housing. Easy installation; reduces required housing length compared to key-fixed types. Same load capacity as SLS type. Sizes: SLF25–SLF100.
8 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| SLF25 | THK SLF25, D=37mm L=60mm flange D1=60mm, CT=219.9N·m | THK | Model: SLF25 | Type: SLF Ball Spline Nut, Flange Type | OD D: 37 mm | Length L: 60 mm | Flange OD D1: 60 mm | Flange Height H: 9 mm | Flange F: 21.0 mm | Dynamic Load C: 18.2 kN | Static Load C0: 22.5 kN | Dynamic Torque CT: 219.9 N·m | Static Torque C0T: 306.8 N·m | Nut Mass: 0.26 kg | Shaft Mass: 3.51 kg/m | ||
| SLF30 | THK SLF30, D=45mm L=70mm flange D1=70mm, CT=366.5N·m | THK | Model: SLF30 | Type: SLF Ball Spline Nut, Flange Type | OD D: 45 mm | Length L: 70 mm | Flange OD D1: 70 mm | Flange Height H: 10 mm | Flange F: 25.0 mm | Dynamic Load C: 25.4 kN | Static Load C0: 31.5 kN | Dynamic Torque CT: 366.5 N·m | Static Torque C0T: 513.3 N·m | Nut Mass: 0.45 kg | Shaft Mass: 5.05 kg/m | ||
| SLF40 | THK SLF40, D=60mm L=90mm flange D1=90mm, CT=818.9N·m | THK | Model: SLF40 | Type: SLF Ball Spline Nut, Flange Type | OD D: 60 mm | Length L: 90 mm | Flange OD D1: 90 mm | Flange Height H: 14 mm | Flange F: 31.0 mm | Dynamic Load C: 42.8 kN | Static Load C0: 52.5 kN | Dynamic Torque CT: 818.9 N·m | Static Torque C0T: 1135.4 N·m | Nut Mass: 1.06 kg | Shaft Mass: 9.18 kg/m | ||
| SLF50 | THK SLF50, D=75mm L=100mm flange D1=113mm, CT=1373.4N·m | THK | Model: SLF50 | Type: SLF Ball Spline Nut, Flange Type | OD D: 75 mm | Length L: 100 mm | Flange OD D1: 113 mm | Flange Height H: 16 mm | Flange F: 34.0 mm | Dynamic Load C: 57.6 kN | Static Load C0: 66.2 kN | Dynamic Torque CT: 1373.4 N·m | Static Torque C0T: 1783.1 N·m | Nut Mass: 1.9 kg | Shaft Mass: 14.45 kg/m | ||
| SLF60 | THK SLF60, D=90mm L=127mm flange D1=129mm, CT=2506.7N·m | THK | Model: SLF60 | Type: SLF Ball Spline Nut, Flange Type | OD D: 90 mm | Length L: 127 mm | Flange OD D1: 129 mm | Flange Height H: 18 mm | Flange F: 45.5 mm | Dynamic Load C: 87.8 kN | Static Load C0: 103.0 kN | Dynamic Torque CT: 2506.7 N·m | Static Torque C0T: 3321.0 N·m | Nut Mass: 3.08 kg | Shaft Mass: 21.23 kg/m | ||
| SLF70 | THK SLF70, D=100mm L=110mm flange D1=142mm, CT=2986.3N·m | THK | Model: SLF70 | Type: SLF Ball Spline Nut, Flange Type | OD D: 100 mm | Length L: 110 mm | Flange OD D1: 142 mm | Flange Height H: 20 mm | Flange F: 35.0 mm | Dynamic Load C: 89.7 kN | Static Load C0: 92.5 kN | Dynamic Torque CT: 2986.3 N·m | Static Torque C0T: 3474.7 N·m | Nut Mass: 3.25 kg | Shaft Mass: 28.57 kg/m | ||
| SLF80 | THK SLF80, D=120mm L=140mm flange D1=168mm, CT=4664.6N·m | THK | Model: SLF80 | Type: SLF Ball Spline Nut, Flange Type | OD D: 120 mm | Length L: 140 mm | Flange OD D1: 168 mm | Flange Height H: 22 mm | Flange F: 48.0 mm | Dynamic Load C: 122.8 kN | Static Load C0: 127.7 kN | Dynamic Torque CT: 4664.6 N·m | Static Torque C0T: 5477.4 N·m | Nut Mass: 5.82 kg | Shaft Mass: 37.49 kg/m | ||
| SLF100 | THK SLF100, D=140mm L=160mm flange D1=195mm, CT=8922.3N·m | THK | Model: SLF100 | Type: SLF Ball Spline Nut, Flange Type | OD D: 140 mm | Length L: 160 mm | Flange OD D1: 195 mm | Flange Height H: 25 mm | Flange F: 55.0 mm | Dynamic Load C: 188.2 kN | Static Load C0: 190.7 kN | Dynamic Torque CT: 8922.3 N·m | Static Torque C0T: 10211.6 N·m | Nut Mass: 7.66 kg | Shaft Mass: 58.97 kg/m |
