![[THK] — ST-B Stroke Ball Cage with Seal Light Load Long Stroke (ST8B~ST100B)](https://prosourcemro.com/wp-content/uploads/2026/05/001-1014-1024x849.png)
Ball Cages
THK
[THK] — ST-B Stroke Ball Cage with Seal Light Load Long Stroke (ST8B~ST100B)
Family ID: THK-STB
ST-B type Stroke Ball Cage — light load long stroke with seal. Seal attached for dust and contamination protection. Shaft diameters: 8~100mm. Max stroke: 24~138mm.
17 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| ST8B | THK stroke ball cage seal type, shaft φ8mm, OD φ15mm, L=24mm, max stroke 24mm | THK | Shaft Dia.: dr=8mm | Outer Dia.: D=15mm | Length: L=24mm | Max Stroke: 24mm | Type: Seal type | Load: Light load, long stroke | ||
| ST10B | THK stroke ball cage seal type, shaft φ10mm, OD φ19mm, L=30mm, max stroke 30mm | THK | Shaft Dia.: dr=10mm | Outer Dia.: D=19mm | Length: L=30mm | Max Stroke: 30mm | Type: Seal type | Load: Light load, long stroke | ||
| ST12B | THK stroke ball cage seal type, shaft φ12mm, OD φ23mm, L=32mm, max stroke 32mm | THK | Shaft Dia.: dr=12mm | Outer Dia.: D=23mm | Length: L=32mm | Max Stroke: 32mm | Type: Seal type | Load: Light load, long stroke | ||
| ST16B | THK stroke ball cage seal type, shaft φ16mm, OD φ28mm, L=37mm, max stroke 40mm | THK | Shaft Dia.: dr=16mm | Outer Dia.: D=28mm | Length: L=37mm | Max Stroke: 40mm | Type: Seal type | Load: Light load, long stroke | ||
| ST20B | THK stroke ball cage seal type, shaft φ20mm, OD φ32mm, L=45mm, max stroke 54mm | THK | Shaft Dia.: dr=20mm | Outer Dia.: D=32mm | Length: L=45mm | Max Stroke: 54mm | Type: Seal type | Load: Light load, long stroke | ||
| ST25B | THK stroke ball cage seal type, shaft φ25mm, OD φ37mm, L=45mm, max stroke 54mm | THK | Shaft Dia.: dr=25mm | Outer Dia.: D=37mm | Length: L=45mm | Max Stroke: 54mm | Type: Seal type | Load: Light load, long stroke | ||
| ST30B | THK stroke ball cage seal type, shaft φ30mm, OD φ45mm, L=65mm, max stroke 82mm | THK | Shaft Dia.: dr=30mm | Outer Dia.: D=45mm | Length: L=65mm | Max Stroke: 82mm | Type: Seal type | Load: Light load, long stroke | ||
| ST35B | THK stroke ball cage seal type, shaft φ35mm, OD φ52mm, L=70mm, max stroke 92mm | THK | Shaft Dia.: dr=35mm | Outer Dia.: D=52mm | Length: L=70mm | Max Stroke: 92mm | Type: Seal type | Load: Light load, long stroke | ||
| ST40B | THK stroke ball cage seal type, shaft φ40mm, OD φ60mm, L=80mm, max stroke 108mm | THK | Shaft Dia.: dr=40mm | Outer Dia.: D=60mm | Length: L=80mm | Max Stroke: 108mm | Type: Seal type | Load: Light load, long stroke | ||
| ST45B | THK stroke ball cage seal type, shaft φ45mm, OD φ65mm, L=80mm, max stroke 108mm | THK | Shaft Dia.: dr=45mm | Outer Dia.: D=65mm | Length: L=80mm | Max Stroke: 108mm | Type: Seal type | Load: Light load, long stroke | ||
| ST50B | THK stroke ball cage seal type, shaft φ50mm, OD φ72mm, L=100mm, max stroke 138mm | THK | Shaft Dia.: dr=50mm | Outer Dia.: D=72mm | Length: L=100mm | Max Stroke: 138mm | Type: Seal type | Load: Light load, long stroke | ||
| ST55B | THK stroke ball cage seal type, shaft φ55mm, OD φ80mm, L=100mm, max stroke 138mm | THK | Shaft Dia.: dr=55mm | Outer Dia.: D=80mm | Length: L=100mm | Max Stroke: 138mm | Type: Seal type | Load: Light load, long stroke | ||
| ST60B | THK stroke ball cage seal type, shaft φ60mm, OD φ85mm, L=100mm, max stroke 138mm | THK | Shaft Dia.: dr=60mm | Outer Dia.: D=85mm | Length: L=100mm | Max Stroke: 138mm | Type: Seal type | Load: Light load, long stroke | ||
| ST70B | THK stroke ball cage seal type, shaft φ70mm, OD φ95mm, L=100mm, max stroke 138mm | THK | Shaft Dia.: dr=70mm | Outer Dia.: D=95mm | Length: L=100mm | Max Stroke: 138mm | Type: Seal type | Load: Light load, long stroke | ||
| ST80B | THK stroke ball cage seal type, shaft φ80mm, OD φ110mm, L=100mm, max stroke 132mm | THK | Shaft Dia.: dr=80mm | Outer Dia.: D=110mm | Length: L=100mm | Max Stroke: 132mm | Type: Seal type | Load: Light load, long stroke | ||
| ST90B | THK stroke ball cage seal type, shaft φ90mm, OD φ120mm, L=100mm, max stroke 132mm | THK | Shaft Dia.: dr=90mm | Outer Dia.: D=120mm | Length: L=100mm | Max Stroke: 132mm | Type: Seal type | Load: Light load, long stroke | ||
| ST100B | THK stroke ball cage seal type, shaft φ100mm, OD φ130mm, L=100mm, max stroke 132mm | THK | Shaft Dia.: dr=100mm | Outer Dia.: D=130mm | Length: L=100mm | Max Stroke: 132mm | Type: Seal type | Load: Light load, long stroke |
