![[THK] — SRN-R/LR Low Profile Roller Retainer LM Guide Block (Super High Rigidity, Narrow Width)](https://img.prosourcemro.com/2026/05/001-800-1024x819.png)
LM Guides
THK
[THK] — SRN-R/LR Low Profile Roller Retainer LM Guide Block (Super High Rigidity, Narrow Width)
Family ID: THK-SRN-R
Super high rigidity low profile Roller Retainer type LM Guide. Narrow block width with tapped holes. 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 | ||
|---|---|---|---|---|---|
| SRN-35R | SRN 35R LM Block H44×W70×L125mm | THK | Type: Low Profile Roller Retainer LM Guide Block | Series: SRN | Model: SRN 35R | Height M: 44 mm | Width W: 70 mm | Length L: 125 mm | Max Rail Length: 3000 mm | Dynamic Load C: 59.1 kN | Static Load C0: 119 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Standard (R) | Brand: THK | ||
| SRN-35LR | SRN 35LR LM Block H44×W70×L155mm | THK | Type: Low Profile Roller Retainer LM Guide Block | Series: SRN | Model: SRN 35LR | Height M: 44 mm | Width W: 70 mm | Length L: 155 mm | Max Rail Length: 3000 mm | Dynamic Load C: 76 kN | Static Load C0: 165 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Long (LR) | Brand: THK | ||
| SRN-45R | SRN 45R LM Block H52×W86×L155mm | THK | Type: Low Profile Roller Retainer LM Guide Block | Series: SRN | Model: SRN 45R | Height M: 52 mm | Width W: 86 mm | Length L: 155 mm | Max Rail Length: 3090 mm | Dynamic Load C: 91.9 kN | Static Load C0: 192 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Standard (R) | Brand: THK | ||
| SRN-45LR | SRN 45LR LM Block H52×W86×L190mm | THK | Type: Low Profile Roller Retainer LM Guide Block | Series: SRN | Model: SRN 45LR | Height M: 52 mm | Width W: 86 mm | Length L: 190 mm | Max Rail Length: 3090 mm | Dynamic Load C: 115 kN | Static Load C0: 256 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Long (LR) | Brand: THK | ||
| SRN-55R | SRN 55R LM Block H63×W100×L185mm | THK | Type: Low Profile Roller Retainer LM Guide Block | Series: SRN | Model: SRN 55R | Height M: 63 mm | Width W: 100 mm | Length L: 185 mm | Max Rail Length: 3060 mm | Dynamic Load C: 131 kN | Static Load C0: 266 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Standard (R) | Brand: THK | ||
| SRN-55LR | SRN 55LR LM Block H63×W100×L235mm | THK | Type: Low Profile Roller Retainer LM Guide Block | Series: SRN | Model: SRN 55LR | Height M: 63 mm | Width W: 100 mm | Length L: 235 mm | Max Rail Length: 3060 mm | Dynamic Load C: 167 kN | Static Load C0: 366 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Long (LR) | Brand: THK | ||
| SRN-65LR | SRN 65LR LM Block H75×W126×L303mm | THK | Type: Low Profile Roller Retainer LM Guide Block | Series: SRN | Model: SRN 65LR | Height M: 75 mm | Width W: 126 mm | Length L: 303 mm | Max Rail Length: 3000 mm | Dynamic Load C: 278 kN | Static Load C0: 599 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Long (LR) | Brand: THK |
