![[THK] — LTR Rotary Ball Spline (Support Bearing Unit Type, LTR16~60)](https://prosourcemro.com/wp-content/uploads/2026/05/001-969-1024x754.png)
Ball Splines
THK
[THK] — LTR Rotary Ball Spline (Support Bearing Unit Type, LTR16~60)
Family ID: THK-LTR
Rotary Ball Spline with integrated support bearing — compact unit type. Enables simultaneous rotary and linear motion. Spline shaft diameters d1: 4.5~11mm, nut OD: φ52~134mm. 6-circuit ball arrangement. Flange mount (standard or reverse). Dust-proof options available (UU/ZZ). Spline shaft length specified on order.
7 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| LTR16 | THK Rotary Ball Spline LTR, shaft d1=4.5mm, nut OD φ52mm | THK | Spline Shaft Dia.: d1=4.5mm | Nut OD: D=52mm | Spline Bore Dia.: D0=16mm (h7) | Nut Length: L=50mm | Ball Circuits: 6 | Type: Rotary Ball Spline with Support Bearing | Mount: Flange (standard / reverse K option) | Dust Proof: UU / ZZ options available | Shaft Length: Specify on order (+L suffix) | ||
| LTR20 | THK Rotary Ball Spline LTR, shaft d1=4.5mm, nut OD φ56mm | THK | Spline Shaft Dia.: d1=4.5mm | Nut OD: D=56mm | Spline Bore Dia.: D0=20mm (h7) | Nut Length: L=63mm | Ball Circuits: 6 | Type: Rotary Ball Spline with Support Bearing | Mount: Flange (standard / reverse K option) | Dust Proof: UU / ZZ options available | Shaft Length: Specify on order (+L suffix) | ||
| LTR25 | THK Rotary Ball Spline LTR, shaft d1=4.5mm, nut OD φ62mm | THK | Spline Shaft Dia.: d1=4.5mm | Nut OD: D=62mm | Spline Bore Dia.: D0=25mm (h7) | Nut Length: L=71mm | Ball Circuits: 6 | Type: Rotary Ball Spline with Support Bearing | Mount: Flange (standard / reverse K option) | Dust Proof: UU / ZZ options available | Shaft Length: Specify on order (+L suffix) | ||
| LTR32 | THK Rotary Ball Spline LTR, shaft d1=6.6mm, nut OD φ80mm | THK | Spline Shaft Dia.: d1=6.6mm | Nut OD: D=80mm | Spline Bore Dia.: D0=32mm (h7) | Nut Length: L=80mm | Ball Circuits: 6 | Type: Rotary Ball Spline with Support Bearing | Mount: Flange (standard / reverse K option) | Dust Proof: UU / ZZ options available | Shaft Length: Specify on order (+L suffix) | ||
| LTR40 | THK Rotary Ball Spline LTR, shaft d1=9mm, nut OD φ100mm | THK | Spline Shaft Dia.: d1=9mm | Nut OD: D=100mm | Spline Bore Dia.: D0=40mm (h7) | Nut Length: L=100mm | Ball Circuits: 6 | Type: Rotary Ball Spline with Support Bearing | Mount: Flange (standard / reverse K option) | Dust Proof: UU / ZZ options available | Shaft Length: Specify on order (+L suffix) | ||
| LTR50 | THK Rotary Ball Spline LTR, shaft d1=11mm, nut OD φ120mm | THK | Spline Shaft Dia.: d1=11mm | Nut OD: D=120mm | Spline Bore Dia.: D0=50mm (h7) | Nut Length: L=125mm | Ball Circuits: 6 | Type: Rotary Ball Spline with Support Bearing | Mount: Flange (standard / reverse K option) | Dust Proof: UU / ZZ options available | Shaft Length: Specify on order (+L suffix) | ||
| LTR60 | THK Rotary Ball Spline LTR, shaft d1=11mm, nut OD φ134mm | THK | Spline Shaft Dia.: d1=11mm | Nut OD: D=134mm | Spline Bore Dia.: D0=60mm (h7) | Nut Length: L=140mm | Ball Circuits: 6 | Type: Rotary Ball Spline with Support Bearing | Mount: Flange (standard / reverse K option) | Dust Proof: UU / ZZ options available | Shaft Length: Specify on order (+L suffix) |
