![[Tsubaki] — Powerlock SL Series Shaft Locking Element (Hollow Shaft External, Small (Ø24~55 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, Small (Ø24~55 mm))
Family ID: TSB-PL-SL-S
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.
6 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| PL024X050SL | Shaft Ø24 mm × Boss Ø50 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Small (Ø24~55 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: 24 mm | Boss Outer Diameter: 50 mm | ||
| PL030X060SL | Shaft Ø30 mm × Boss Ø60 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Small (Ø24~55 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: 30 mm | Boss Outer Diameter: 60 mm | ||
| PL036X072SL | Shaft Ø36 mm × Boss Ø72 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Small (Ø24~55 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: 36 mm | Boss Outer Diameter: 72 mm | ||
| PL044X080SL | Shaft Ø44 mm × Boss Ø80 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Small (Ø24~55 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: 44 mm | Boss Outer Diameter: 80 mm | ||
| PL050X090SL | Shaft Ø50 mm × Boss Ø90 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Small (Ø24~55 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: 50 mm | Boss Outer Diameter: 90 mm | ||
| PL055X100SL | Shaft Ø55 mm × Boss Ø100 mm | Tsubaki | Series: Powerlock SL | Grade: Standard (Surface Treated) | Size Range: Small (Ø24~55 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: 55 mm | Boss Outer Diameter: 100 mm |
