![[THK] — SR-TB/TBM/SB/SBM LM Guide Block (Full Ball, Through-hole Flange, Radial)](https://img.prosourcemro.com/2026/05/001-756-1024x953.png)
LM Guides
THK
[THK] — SR-TB/TBM/SB/SBM LM Guide Block (Full Ball, Through-hole Flange, Radial)
Family ID: THK-SR-TB
Full ball type LM Guide with strong radial load ball contact structure. Same height as SR-W type — through-hole flange for bottom mounting. SB type: same cross-section as TB but shorter block length for space saving. Stainless steel option available.
22 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| SR-15SB | SR 15SB LM Block H24×W52×L40.4mm | THK | Type: LM Guide Block | Series: SR | Model: SR 15SB | Height M: 24 mm | Width W: 52 mm | Length L: 40.4 mm | Max Rail Length: 3000 mm | Dynamic Load C: 9.1 kN | Static Load C0: 11.7 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-15SBM | SR 15SBM LM Block H24×W52×L40.4mm | THK | Type: LM Guide Block | Series: SR | Model: SR 15SBM | Height M: 24 mm | Width W: 52 mm | Length L: 40.4 mm | Max Rail Length: 1240 mm | Dynamic Load C: 9.1 kN | Static Load C0: 11.7 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-15TB | SR 15TB LM Block H24×W52×L57mm | THK | Type: LM Guide Block | Series: SR | Model: SR 15TB | Height M: 24 mm | Width W: 52 mm | Length L: 57 mm | Max Rail Length: 3000 mm | Dynamic Load C: 13.8 kN | Static Load C0: 20.5 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-15TBM | SR 15TBM LM Block H24×W52×L57mm | THK | Type: LM Guide Block | Series: SR | Model: SR 15TBM | Height M: 24 mm | Width W: 52 mm | Length L: 57 mm | Max Rail Length: 1240 mm | Dynamic Load C: 13.8 kN | Static Load C0: 20.5 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-20SB | SR 20SB LM Block H28×W59×L47.3mm | THK | Type: LM Guide Block | Series: SR | Model: SR 20SB | Height M: 28 mm | Width W: 59 mm | Length L: 47.3 mm | Max Rail Length: 3000 mm | Dynamic Load C: 13.4 kN | Static Load C0: 17.2 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-20SBM | SR 20SBM LM Block H28×W59×L47.3mm | THK | Type: LM Guide Block | Series: SR | Model: SR 20SBM | Height M: 28 mm | Width W: 59 mm | Length L: 47.3 mm | Max Rail Length: 1480 mm | Dynamic Load C: 13.4 kN | Static Load C0: 17.2 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-20TB | SR 20TB LM Block H28×W59×L66.2mm | THK | Type: LM Guide Block | Series: SR | Model: SR 20TB | Height M: 28 mm | Width W: 59 mm | Length L: 66.2 mm | Max Rail Length: 3000 mm | Dynamic Load C: 19.2 kN | Static Load C0: 28.6 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-20TBM | SR 20TBM LM Block H28×W59×L66.2mm | THK | Type: LM Guide Block | Series: SR | Model: SR 20TBM | Height M: 28 mm | Width W: 59 mm | Length L: 66.2 mm | Max Rail Length: 1480 mm | Dynamic Load C: 19.2 kN | Static Load C0: 28.6 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-25SB | SR 25SB LM Block H33×W73×L59.2mm | THK | Type: LM Guide Block | Series: SR | Model: SR 25SB | Height M: 33 mm | Width W: 73 mm | Length L: 59.2 mm | Max Rail Length: 3000 mm | Dynamic Load C: 21.6 kN | Static Load C0: 26.8 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-25SBM | SR 25SBM LM Block H33×W73×L59.2mm | THK | Type: LM Guide Block | Series: SR | Model: SR 25SBM | Height M: 33 mm | Width W: 73 mm | Length L: 59.2 mm | Max Rail Length: 2020 mm | Dynamic Load C: 21.6 kN | Static Load C0: 26.8 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-25TB | SR 25TB LM Block H33×W73×L83mm | THK | Type: LM Guide Block | Series: SR | Model: SR 25TB | Height M: 33 mm | Width W: 73 mm | Length L: 83 mm | Max Rail Length: 3000 mm | Dynamic Load C: 30.9 kN | Static Load C0: 44.7 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-25TBM | SR 25TBM LM Block H33×W73×L83mm | THK | Type: LM Guide Block | Series: SR | Model: SR 25TBM | Height M: 33 mm | Width W: 73 mm | Length L: 83 mm | Max Rail Length: 2020 mm | Dynamic Load C: 30.9 kN | Static Load C0: 44.7 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-30SB | SR 30SB LM Block H42×W90×L67.9mm | THK | Type: LM Guide Block | Series: SR | Model: SR 30SB | Height M: 42 mm | Width W: 90 mm | Length L: 67.9 mm | Max Rail Length: 3000 mm | Dynamic Load C: 29.5 kN | Static Load C0: 34.4 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-30SBM | SR 30SBM LM Block H42×W90×L67.9mm | THK | Type: LM Guide Block | Series: SR | Model: SR 30SBM | Height M: 42 mm | Width W: 90 mm | Length L: 67.9 mm | Max Rail Length: 2520 mm | Dynamic Load C: 29.5 kN | Static Load C0: 34.4 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-30TB | SR 30TB LM Block H42×W90×L96.8mm | THK | Type: LM Guide Block | Series: SR | Model: SR 30TB | Height M: 42 mm | Width W: 90 mm | Length L: 96.8 mm | Max Rail Length: 3000 mm | Dynamic Load C: 45.6 kN | Static Load C0: 64.4 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-30TBM | SR 30TBM LM Block H42×W90×L96.8mm | THK | Type: LM Guide Block | Series: SR | Model: SR 30TBM | Height M: 42 mm | Width W: 90 mm | Length L: 96.8 mm | Max Rail Length: 3000 mm | Dynamic Load C: 45.6 kN | Static Load C0: 64.4 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-35SB | SR 35SB LM Block H48×W100×L77.6mm | THK | Type: LM Guide Block | Series: SR | Model: SR 35SB | Height M: 48 mm | Width W: 100 mm | Length L: 77.6 mm | Max Rail Length: 3000 mm | Dynamic Load C: 40.9 kN | Static Load C0: 46.7 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-35SBM | SR 35SBM LM Block H48×W100×L77.6mm | THK | Type: LM Guide Block | Series: SR | Model: SR 35SBM | Height M: 48 mm | Width W: 100 mm | Length L: 77.6 mm | Max Rail Length: 2520 mm | Dynamic Load C: 40.9 kN | Static Load C0: 46.7 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-35TB | SR 35TB LM Block H48×W100×L111mm | THK | Type: LM Guide Block | Series: SR | Model: SR 35TB | Height M: 48 mm | Width W: 100 mm | Length L: 111 mm | Max Rail Length: 3000 mm | Dynamic Load C: 60.4 kN | Static Load C0: 81.8 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-35TBM | SR 35TBM LM Block H48×W100×L111mm | THK | Type: LM Guide Block | Series: SR | Model: SR 35TBM | Height M: 48 mm | Width W: 100 mm | Length L: 111 mm | Max Rail Length: 2520 mm | Dynamic Load C: 60.4 kN | Static Load C0: 81.8 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-45TB | SR 45TB LM Block H60×W120×L126mm | THK | Type: LM Guide Block | Series: SR | Model: SR 45TB | Height M: 60 mm | Width W: 120 mm | Length L: 126 mm | Max Rail Length: 3000 mm | Dynamic Load C: 80.4 kN | Static Load C0: 107 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK | ||
| SR-55TB | SR 55TB LM Block H68×W140×L156mm | THK | Type: LM Guide Block | Series: SR | Model: SR 55TB | Height M: 68 mm | Width W: 140 mm | Length L: 156 mm | Max Rail Length: 3000 mm | Dynamic Load C: 136 kN | Static Load C0: 179 kN | Structure: Full Ball | Mount: Through-hole Flange (bottom) | Load Type: Radial | Brand: THK |
