![[Tsubaki] — Powerlock SL Series Shaft Locking Element (Hollow Shaft External, Large (Ø140~300 mm))](https://img.prosourcemro.com/2026/05/001-288-1024x1024.png)
Shaft Locking Elements
TSUBAKI
[Tsubaki] — Powerlock SL Series Shaft Locking Element (Hollow Shaft External, Large (Ø140~300 mm))
Family ID: TSB-PL-SL-L
Tsubaki Powerlock SL Series — external-clamping shaft locking element optimized for hollow shaft connections. Surface-treated standard grade. RoHS compliant. Clamps onto the outside of a hollow shaft or sleeve for strong, backlash-free, keyway-free connection.
12 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| PL140X230SL | Shaft Ø140 mm × Boss Ø230 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Large (Ø140~300 mm) | Type: External-Clamping Friction Locking Element for Hollow Shaft | Keyway: Not Required | RoHS: Compliant | Application: Hollow shaft connections, sleeve joints, general industrial | Shaft Diameter: 140 mm | Boss Outer Diameter: 230 mm | ||
| PL155X265SL | Shaft Ø155 mm × Boss Ø265 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Large (Ø140~300 mm) | Type: External-Clamping Friction Locking Element for Hollow Shaft | Keyway: Not Required | RoHS: Compliant | Application: Hollow shaft connections, sleeve joints, general industrial | Shaft Diameter: 155 mm | Boss Outer Diameter: 265 mm | ||
| PL165X290SL | Shaft Ø165 mm × Boss Ø290 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Large (Ø140~300 mm) | Type: External-Clamping Friction Locking Element for Hollow Shaft | Keyway: Not Required | RoHS: Compliant | Application: Hollow shaft connections, sleeve joints, general industrial | Shaft Diameter: 165 mm | Boss Outer Diameter: 290 mm | ||
| PL175X300SL | Shaft Ø175 mm × Boss Ø300 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Large (Ø140~300 mm) | Type: External-Clamping Friction Locking Element for Hollow Shaft | Keyway: Not Required | RoHS: Compliant | Application: Hollow shaft connections, sleeve joints, general industrial | Shaft Diameter: 175 mm | Boss Outer Diameter: 300 mm | ||
| PL185X330SL | Shaft Ø185 mm × Boss Ø330 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Large (Ø140~300 mm) | Type: External-Clamping Friction Locking Element for Hollow Shaft | Keyway: Not Required | RoHS: Compliant | Application: Hollow shaft connections, sleeve joints, general industrial | Shaft Diameter: 185 mm | Boss Outer Diameter: 330 mm | ||
| PL195X350SL | Shaft Ø195 mm × Boss Ø350 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Large (Ø140~300 mm) | Type: External-Clamping Friction Locking Element for Hollow Shaft | Keyway: Not Required | RoHS: Compliant | Application: Hollow shaft connections, sleeve joints, general industrial | Shaft Diameter: 195 mm | Boss Outer Diameter: 350 mm | ||
| PL200X350SL | Shaft Ø200 mm × Boss Ø350 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Large (Ø140~300 mm) | Type: External-Clamping Friction Locking Element for Hollow Shaft | Keyway: Not Required | RoHS: Compliant | Application: Hollow shaft connections, sleeve joints, general industrial | Shaft Diameter: 200 mm | Boss Outer Diameter: 350 mm | ||
| PL220X370SL | Shaft Ø220 mm × Boss Ø370 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Large (Ø140~300 mm) | Type: External-Clamping Friction Locking Element for Hollow Shaft | Keyway: Not Required | RoHS: Compliant | Application: Hollow shaft connections, sleeve joints, general industrial | Shaft Diameter: 220 mm | Boss Outer Diameter: 370 mm | ||
| PL240X405SL | Shaft Ø240 mm × Boss Ø405 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Large (Ø140~300 mm) | Type: External-Clamping Friction Locking Element for Hollow Shaft | Keyway: Not Required | RoHS: Compliant | Application: Hollow shaft connections, sleeve joints, general industrial | Shaft Diameter: 240 mm | Boss Outer Diameter: 405 mm | ||
| PL260X430SL | Shaft Ø260 mm × Boss Ø430 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Large (Ø140~300 mm) | Type: External-Clamping Friction Locking Element for Hollow Shaft | Keyway: Not Required | RoHS: Compliant | Application: Hollow shaft connections, sleeve joints, general industrial | Shaft Diameter: 260 mm | Boss Outer Diameter: 430 mm | ||
| PL280X460SL | Shaft Ø280 mm × Boss Ø460 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Large (Ø140~300 mm) | Type: External-Clamping Friction Locking Element for Hollow Shaft | Keyway: Not Required | RoHS: Compliant | Application: Hollow shaft connections, sleeve joints, general industrial | Shaft Diameter: 280 mm | Boss Outer Diameter: 460 mm | ||
| PL300X485SL | Shaft Ø300 mm × Boss Ø485 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Large (Ø140~300 mm) | Type: External-Clamping Friction Locking Element for Hollow Shaft | Keyway: Not Required | RoHS: Compliant | Application: Hollow shaft connections, sleeve joints, general industrial | Shaft Diameter: 300 mm | Boss Outer Diameter: 485 mm |
