![[THK] — SRG-R/LR/SLR/V/LV/SLV Roller Retainer LM Guide Block (Super High Rigidity, Narrow Width, 35~65)](https://img.prosourcemro.com/2026/05/001-798-1024x767.png)
LM Guides
THK
[THK] — SRG-R/LR/SLR/V/LV/SLV Roller Retainer LM Guide Block (Super High Rigidity, Narrow Width, 35~65)
Family ID: THK-SRG-R-V
Super high rigidity Roller Retainer type LM Guide. V/R type: narrow block width with tapped holes / LV/LR: long block / SLV/SLR: super long block. High rigidity rollers with length ≥1.5× roller diameter. Roller retainer prevents skew for smooth low-variation motion.
12 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| SRG-35R | SRG 35R LM Block H55×W70×L125mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 35R | Height M: 55 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 | Brand: THK | ||
| SRG-35LR | SRG 35LR LM Block H55×W70×L155mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 35LR | Height M: 55 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 (L) | Brand: THK | ||
| SRG-35SLR | SRG 35SLR LM Block H55×W70×L180.8mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 35SLR | Height M: 55 mm | Width W: 70 mm | Length L: 180.8 mm | Max Rail Length: 3000 mm | Dynamic Load C: 87.9 kN | Static Load C0: 199 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Super Long (SL) | Brand: THK | ||
| SRG-45R | SRG 45R LM Block H70×W86×L155mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 45R | Height M: 70 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 | Brand: THK | ||
| SRG-45LR | SRG 45LR LM Block H70×W86×L190mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 45LR | Height M: 70 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 (L) | Brand: THK | ||
| SRG-45SLR | SRG 45SLR LM Block H70×W86×L231.5mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 45SLR | Height M: 70 mm | Width W: 86 mm | Length L: 231.5 mm | Max Rail Length: 3090 mm | Dynamic Load C: 139 kN | Static Load C0: 328 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Super Long (SL) | Brand: THK | ||
| SRG-55R | SRG 55R LM Block H80×W100×L185mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 55R | Height M: 80 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 | Brand: THK | ||
| SRG-55LR | SRG 55LR LM Block H80×W100×L235mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 55LR | Height M: 80 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 (L) | Brand: THK | ||
| SRG-55SLR | SRG 55SLR LM Block H80×W100×L292mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 55SLR | Height M: 80 mm | Width W: 100 mm | Length L: 292 mm | Max Rail Length: 3060 mm | Dynamic Load C: 210 kN | Static Load C0: 488 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Super Long (SL) | Brand: THK | ||
| SRG-65V | SRG 65V LM Block H90×W126×L244.9mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 65V | Height M: 90 mm | Width W: 126 mm | Length L: 244.9 mm | Max Rail Length: 3000 mm | Dynamic Load C: 219 kN | Static Load C0: 441 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Standard | Brand: THK | ||
| SRG-65LV | SRG 65LV LM Block H90×W126×L303mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 65LV | Height M: 90 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 (L) | Brand: THK | ||
| SRG-65SLV | SRG 65SLV LM Block H90×W126×L380mm | THK | Type: Roller Retainer LM Guide Block | Series: SRG | Model: SRG 65SLV | Height M: 90 mm | Width W: 126 mm | Length L: 380 mm | Max Rail Length: 3000 mm | Dynamic Load C: 352 kN | Static Load C0: 811 kN | Rolling Element: Roller (length ≥1.5× dia.) | Retainer: Yes | Mount: Narrow Width Tapped | Block Length: Super Long (SL) | Brand: THK |
