![[THK] — SRG-XV/XLV/XR/XLR Roller Retainer LM Guide Block (Super High Rigidity, Narrow Width, 15~30)](https://img.prosourcemro.com/2026/05/001-797-1024x806.png)
LM Guides
THK
[THK] — SRG-XV/XLV/XR/XLR Roller Retainer LM Guide Block (Super High Rigidity, Narrow Width, 15~30)
Family ID: THK-SRG-XV-XR
Super high rigidity Roller Retainer type LM Guide. XV/XR type: narrow block width with tapped holes / XLV/XLR type: long block for higher load rating. High rigidity rollers with length ≥1.5× roller diameter. Roller retainer prevents skew for smooth low-variation motion.
7 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| SRG-15XV | SRG 15XV LM Block H24×W34×L69.2mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 15XV | Height M: 24 mm | Width W: 34 mm | Length L: 69.2 mm | Max Rail Length: 3000 mm | Dynamic Load C: 11.3 kN | Static Load C0: 25.8 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Standard | Brand: THK | ||
| SRG-20XV | SRG 20XV LM Block H30×W44×L86.2mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 20XV | Height M: 30 mm | Width W: 44 mm | Length L: 86.2 mm | Max Rail Length: 3000 mm | Dynamic Load C: 21 kN | Static Load C0: 46.9 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Standard | Brand: THK | ||
| SRG-20XLV | SRG 20XLV LM Block H30×W44×L106.2mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 20XLV | Height M: 30 mm | Width W: 44 mm | Length L: 106.2 mm | Max Rail Length: 3000 mm | Dynamic Load C: 26.7 kN | Static Load C0: 63.8 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Long (XL) | Brand: THK | ||
| SRG-25XR | SRG 25XR LM Block H40×W48×L95.5mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 25XR | Height M: 40 mm | Width W: 48 mm | Length L: 95.5 mm | Max Rail Length: 3000 mm | Dynamic Load C: 27.9 kN | Static Load C0: 57.5 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Standard | Brand: THK | ||
| SRG-25XLR | SRG 25XLR LM Block H40×W48×L115.1mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 25XLR | Height M: 40 mm | Width W: 48 mm | Length L: 115.1 mm | Max Rail Length: 3000 mm | Dynamic Load C: 34.2 kN | Static Load C0: 75 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Long (XL) | Brand: THK | ||
| SRG-30XR | SRG 30XR LM Block H45×W60×L111mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 30XR | Height M: 45 mm | Width W: 60 mm | Length L: 111 mm | Max Rail Length: 3000 mm | Dynamic Load C: 39.3 kN | Static Load C0: 82.5 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Standard | Brand: THK | ||
| SRG-30XLR | SRG 30XLR LM Block H45×W60×L135mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 30XLR | Height M: 45 mm | Width W: 60 mm | Length L: 135 mm | Max Rail Length: 3000 mm | Dynamic Load C: 48.3 kN | Static Load C0: 108 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Long (XL) | Brand: THK |
