![[THK] — SSR-XSB LM Guide Block (Short Length, Bottom Mount, Ball Retainer)](https://img.prosourcemro.com/2026/05/001-723-1024x1024.png)
LM Guides
THK
[THK] — SSR-XSB LM Guide Block (Short Length, Bottom Mount, Ball Retainer)
Family ID: THK-SSR-XSB
Ball Retainer Type LM Guide with strong radial load ball contact structure. Same cross-section as XTB but shorter block length (L) for space saving. Bottom mount type. 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-15XSB | SSR 15XSB LM Block H24×W52×L40.3mm | THK | Type: LM Guide Block | Series: SSR | Block Type: 15XSB | Height M: 24 mm | Width W: 52 mm | Length L: 40.3 mm | Max Rail Length: 3000 mm | Dynamic Load C: 9.1 kN | Static Load C0: 9.7 kN | Mount: Bottom | Structure: Ball Retainer DF | Note: Short block space-saving type | Brand: THK | ||
| SSR-20XSB | SSR 20XSB LM Block H28×W59×L47.7mm | THK | Type: LM Guide Block | Series: SSR | Block Type: 20XSB | Height M: 28 mm | Width W: 59 mm | Length L: 47.7 mm | Max Rail Length: 3000 mm | Dynamic Load C: 13.4 kN | Static Load C0: 14.4 kN | Mount: Bottom | Structure: Ball Retainer DF | Note: Short block space-saving type | Brand: THK | ||
| SSR-25XSB | SSR 25XSB LM Block H33×W73×L60mm | THK | Type: LM Guide Block | Series: SSR | Block Type: 25XSB | Height M: 33 mm | Width W: 73 mm | Length L: 60 mm | Max Rail Length: 3000 mm | Dynamic Load C: 21.7 kN | Static Load C0: 22.5 kN | Mount: Bottom | Structure: Ball Retainer DF | Note: Short block space-saving type | Brand: THK | ||
| SSR-30XSB | SSR 30XSB LM Block H42×W90×L66.7mm | THK | Type: LM Guide Block | Series: SSR | Block Type: 30XSB | Height M: 42 mm | Width W: 90 mm | Length L: 66.7 mm | Max Rail Length: 3000 mm | Dynamic Load C: 34.8 kN | Static Load C0: 34.4 kN | Mount: Bottom | Structure: Ball Retainer DF | Note: Short block space-saving type | Brand: THK | ||
| SSR-35XSB | SSR 35XSB LM Block H48×W100×L77.5mm | THK | Type: LM Guide Block | Series: SSR | Block Type: 35XSB | Height M: 48 mm | Width W: 100 mm | Length L: 77.5 mm | Max Rail Length: 3000 mm | Dynamic Load C: 48.3 kN | Static Load C0: 46.7 kN | Mount: Bottom | Structure: Ball Retainer DF | Note: Short block space-saving type | Brand: THK |
