![[THK] — NR-RX/LRX/SLRX/R/LR LM Guide Block (Full Ball, Super Heavy Load, Narrow Width)](https://img.prosourcemro.com/2026/05/001-757-1024x812.png)
LM Guides
THK
[THK] — NR-RX/LRX/SLRX/R/LR LM Guide Block (Full Ball, Super Heavy Load, Narrow Width)
Family ID: THK-NR-RX
Super heavy load full ball type LM Guide for machine tools. Minimum block width (W) with tapped holes. Deep groove raceway machining for enhanced rigidity, vibration/shock resistance and damping. NR-X = radial type; NRS-X = 4-direction type (same dimensions).
24 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| NR25RX | NR25RX LM Block H31×W50×L82.8mm | THK | Type: LM Guide Block | Series: NR | Model: NR25RX | Height M: 31 mm | Width W: 50 mm | Length L: 82.8 mm | Max Rail Length: 3000 mm | Dynamic Load C: 37.1 kN | Static Load C0: 68.1 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR25LRX | NR25LRX LM Block H31×W50×L102mm | THK | Type: LM Guide Block | Series: NR | Model: NR25LRX | Height M: 31 mm | Width W: 50 mm | Length L: 102 mm | Max Rail Length: 3000 mm | Dynamic Load C: 45.4 kN | Static Load C0: 90.8 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR25SLRX | NR25SLRX LM Block H31×W50×L170.3mm | THK | Type: LM Guide Block | Series: NR | Model: NR25SLRX | Height M: 31 mm | Width W: 50 mm | Length L: 170.3 mm | Max Rail Length: 3000 mm | Dynamic Load C: 71 kN | Static Load C0: 172.6 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR30RX | NR30RX LM Block H38×W60×L98mm | THK | Type: LM Guide Block | Series: NR | Model: NR30RX | Height M: 38 mm | Width W: 60 mm | Length L: 98 mm | Max Rail Length: 3000 mm | Dynamic Load C: 54.7 kN | Static Load C0: 98.1 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR30LRX | NR30LRX LM Block H38×W60×L120.5mm | THK | Type: LM Guide Block | Series: NR | Model: NR30LRX | Height M: 38 mm | Width W: 60 mm | Length L: 120.5 mm | Max Rail Length: 3000 mm | Dynamic Load C: 66.9 kN | Static Load C0: 130.8 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR30SLRX | NR30SLRX LM Block H38×W60×L204.6mm | THK | Type: LM Guide Block | Series: NR | Model: NR30SLRX | Height M: 38 mm | Width W: 60 mm | Length L: 204.6 mm | Max Rail Length: 3000 mm | Dynamic Load C: 104.8 kN | Static Load C0: 248.6 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR35RX | NR35RX LM Block H44×W70×L109.5mm | THK | Type: LM Guide Block | Series: NR | Model: NR35RX | Height M: 44 mm | Width W: 70 mm | Length L: 109.5 mm | Max Rail Length: 3000 mm | Dynamic Load C: 72.4 kN | Static Load C0: 124.6 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR35LRX | NR35LRX LM Block H44×W70×L135mm | THK | Type: LM Guide Block | Series: NR | Model: NR35LRX | Height M: 44 mm | Width W: 70 mm | Length L: 135 mm | Max Rail Length: 3000 mm | Dynamic Load C: 89.6 kN | Static Load C0: 169.1 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR35SLRX | NR35SLRX LM Block H44×W70×L238.9mm | THK | Type: LM Guide Block | Series: NR | Model: NR35SLRX | Height M: 44 mm | Width W: 70 mm | Length L: 238.9 mm | Max Rail Length: 3000 mm | Dynamic Load C: 145.6 kN | Static Load C0: 338.2 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR45RX | NR45RX LM Block H52×W86×L138.2mm | THK | Type: LM Guide Block | Series: NR | Model: NR45RX | Height M: 52 mm | Width W: 86 mm | Length L: 138.2 mm | Max Rail Length: 3090 mm | Dynamic Load C: 110.2 kN | Static Load C0: 197.6 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR45LRX | NR45LRX LM Block H52×W86×L171mm | THK | Type: LM Guide Block | Series: NR | Model: NR45LRX | Height M: 52 mm | Width W: 86 mm | Length L: 171 mm | Max Rail Length: 3090 mm | Dynamic Load C: 132 kN | Static Load C0: 255.8 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR45SLRX | NR45SLRX LM Block H52×W86×L271.4mm | THK | Type: LM Guide Block | Series: NR | Model: NR45SLRX | Height M: 52 mm | Width W: 86 mm | Length L: 271.4 mm | Max Rail Length: 3090 mm | Dynamic Load C: 193.5 kN | Static Load C0: 441.8 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR55RX | NR55RX LM Block H63×W100×L163.3mm | THK | Type: LM Guide Block | Series: NR | Model: NR55RX | Height M: 63 mm | Width W: 100 mm | Length L: 163.3 mm | Max Rail Length: 3060 mm | Dynamic Load C: 141.9 kN | Static Load C0: 250.2 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR55LRX | NR55LRX LM Block H63×W100×L200.5mm | THK | Type: LM Guide Block | Series: NR | Model: NR55LRX | Height M: 63 mm | Width W: 100 mm | Length L: 200.5 mm | Max Rail Length: 3060 mm | Dynamic Load C: 175.1 kN | Static Load C0: 338.4 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR55SLRX | NR55SLRX LM Block H63×W100×L400.5mm | THK | Type: LM Guide Block | Series: NR | Model: NR55SLRX | Height M: 63 mm | Width W: 100 mm | Length L: 400.5 mm | Max Rail Length: 3060 mm | Dynamic Load C: 305.8 kN | Static Load C0: 750.5 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR65RX | NR65RX LM Block H75×W126×L186mm | THK | Type: LM Guide Block | Series: NR | Model: NR65RX | Height M: 75 mm | Width W: 126 mm | Length L: 186 mm | Max Rail Length: 3000 mm | Dynamic Load C: 208.7 kN | Static Load C0: 351.7 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR65LRX | NR65LRX LM Block H75×W126×L246mm | THK | Type: LM Guide Block | Series: NR | Model: NR65LRX | Height M: 75 mm | Width W: 126 mm | Length L: 246 mm | Max Rail Length: 3000 mm | Dynamic Load C: 268.9 kN | Static Load C0: 505.5 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR65SLRX | NR65SLRX LM Block H75×W126×L422.2mm | THK | Type: LM Guide Block | Series: NR | Model: NR65SLRX | Height M: 75 mm | Width W: 126 mm | Length L: 422.2 mm | Max Rail Length: 3000 mm | Dynamic Load C: 423.1 kN | Static Load C0: 967.1 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR75R | NR75R LM Block H83×W145×L218mm | THK | Type: LM Guide Block | Series: NR | Model: NR75R | Height M: 83 mm | Width W: 145 mm | Length L: 218 mm | Max Rail Length: 3000 mm | Dynamic Load C: 271 kN | Static Load C0: 610 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR75LR | NR75LR LM Block H83×W145×L274mm | THK | Type: LM Guide Block | Series: NR | Model: NR75LR | Height M: 83 mm | Width W: 145 mm | Length L: 274 mm | Max Rail Length: 3000 mm | Dynamic Load C: 355 kN | Static Load C0: 800 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR85R | NR85R LM Block H90×W156×L246.7mm | THK | Type: LM Guide Block | Series: NR | Model: NR85R | Height M: 90 mm | Width W: 156 mm | Length L: 246.7 mm | Max Rail Length: 3000 mm | Dynamic Load C: 336 kN | Static Load C0: 751 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR85LR | NR85LR LM Block H90×W156×L302.8mm | THK | Type: LM Guide Block | Series: NR | Model: NR85LR | Height M: 90 mm | Width W: 156 mm | Length L: 302.8 mm | Max Rail Length: 3000 mm | Dynamic Load C: 435 kN | Static Load C0: 972 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR100R | NR100R LM Block H105×W200×L286.2mm | THK | Type: LM Guide Block | Series: NR | Model: NR100R | Height M: 105 mm | Width W: 200 mm | Length L: 286.2 mm | Max Rail Length: 3000 mm | Dynamic Load C: 479 kN | Static Load C0: 1040 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR100LR | NR100LR LM Block H105×W200×L326.2mm | THK | Type: LM Guide Block | Series: NR | Model: NR100LR | Height M: 105 mm | Width W: 200 mm | Length L: 326.2 mm | Max Rail Length: 3000 mm | Dynamic Load C: 599 kN | Static Load C0: 1300 kN | Structure: Full Ball Deep Groove | Load Type: Radial | Application: Super Heavy Load Machine Tool | Brand: THK |
