![[THK] — SSR-XTB LM Guide Block (Bottom Mount, Ball Retainer, Radial Load)](https://img.prosourcemro.com/2026/05/001-721-1024x1024.png)
LM Guides
THK
[THK] — SSR-XTB LM Guide Block (Bottom Mount, Ball Retainer, Radial Load)
Family ID: THK-SSR-XTB
Ball Retainer Type LM Guide with strong radial load ball contact structure. Bottom mount type — ideal when through-holes cannot be machined in the table. Low profile compact design. THK Circular Arc groove (DF structure).
5 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| SSR-15XTB | SSR 15XTB LM Block H24×W52×L56.9mm | THK | Type: LM Guide Block | Series: SSR | Block Type: 15XTB | Height M: 24 mm | Width W: 52 mm | Length L: 56.9 mm | Max Rail Length: 3000 mm | Dynamic Load C: 14.7 kN | Static Load C0: 16.5 kN | Mount: Bottom | Structure: Ball Retainer DF | Brand: THK | ||
| SSR-20XTB | SSR 20XTB LM Block H28×W59×L66.5mm | THK | Type: LM Guide Block | Series: SSR | Block Type: 20XTB | Height M: 28 mm | Width W: 59 mm | Length L: 66.5 mm | Max Rail Length: 3000 mm | Dynamic Load C: 19.6 kN | Static Load C0: 23.4 kN | Mount: Bottom | Structure: Ball Retainer DF | Brand: THK | ||
| SSR-25XTB | SSR 25XTB LM Block H33×W73×L83mm | THK | Type: LM Guide Block | Series: SSR | Block Type: 25XTB | Height M: 33 mm | Width W: 73 mm | Length L: 83 mm | Max Rail Length: 3000 mm | Dynamic Load C: 31.5 kN | Static Load C0: 36.4 kN | Mount: Bottom | Structure: Ball Retainer DF | Brand: THK | ||
| SSR-30XTB | SSR 30XTB LM Block H42×W90×L97mm | THK | Type: LM Guide Block | Series: SSR | Block Type: 30XTB | Height M: 42 mm | Width W: 90 mm | Length L: 97 mm | Max Rail Length: 3000 mm | Dynamic Load C: 46.5 kN | Static Load C0: 52.7 kN | Mount: Bottom | Structure: Ball Retainer DF | Brand: THK | ||
| SSR-35XTB | SSR 35XTB LM Block H48×W100×L110.9mm | THK | Type: LM Guide Block | Series: SSR | Block Type: 35XTB | Height M: 48 mm | Width W: 100 mm | Length L: 110.9 mm | Max Rail Length: 3000 mm | Dynamic Load C: 64.6 kN | Static Load C0: 71.6 kN | Mount: Bottom | Structure: Ball Retainer DF | Brand: THK |
