![[THK] — NRS-B/LB LM Guide Block (Full Ball, Super Heavy Load, 4-Direction, Through-hole Flange)](https://img.prosourcemro.com/2026/05/001-764-1024x812.png)
LM Guides
THK
[THK] — NRS-B/LB LM Guide Block (Full Ball, Super Heavy Load, 4-Direction, Through-hole Flange)
Family ID: THK-NRS-B
Super heavy load full ball type LM Guide for machine tools. 4-direction equal load type. Large size flange type with through-holes — bottom mounting. Deep groove raceway machining for enhanced rigidity, vibration/shock resistance and damping.
6 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| NRS-75B | NRS 75B LM Block H83×W195×L218mm | THK | Type: LM Guide Block | Series: NRS | Model: NRS 75B | Height M: 83 mm | Width W: 195 mm | Length L: 218 mm | Max Rail Length: 3000 mm | Dynamic Load C: 212 kN | Static Load C0: 431 kN | Structure: Full Ball Deep Groove | Mount: Through-hole Flange (bottom) | Load Type: 4-Direction Equal | Scale: Large | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NRS-75LB | NRS 75LB LM Block H83×W195×L274mm | THK | Type: LM Guide Block | Series: NRS | Model: NRS 75LB | Height M: 83 mm | Width W: 195 mm | Length L: 274 mm | Max Rail Length: 3000 mm | Dynamic Load C: 278 kN | Static Load C0: 566 kN | Structure: Full Ball Deep Groove | Mount: Through-hole Flange (bottom) | Load Type: 4-Direction Equal | Scale: Large | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NRS-85B | NRS 85B LM Block H90×W215×L246.7mm | THK | Type: LM Guide Block | Series: NRS | Model: NRS 85B | Height M: 90 mm | Width W: 215 mm | Length L: 246.7 mm | Max Rail Length: 3000 mm | Dynamic Load C: 264 kN | Static Load C0: 531 kN | Structure: Full Ball Deep Groove | Mount: Through-hole Flange (bottom) | Load Type: 4-Direction Equal | Scale: Large | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NRS-85LB | NRS 85LB LM Block H90×W215×L302.8mm | THK | Type: LM Guide Block | Series: NRS | Model: NRS 85LB | Height M: 90 mm | Width W: 215 mm | Length L: 302.8 mm | Max Rail Length: 3000 mm | Dynamic Load C: 342 kN | Static Load C0: 687 kN | Structure: Full Ball Deep Groove | Mount: Through-hole Flange (bottom) | Load Type: 4-Direction Equal | Scale: Large | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NRS-100B | NRS 100B LM Block H105×W260×L286.2mm | THK | Type: LM Guide Block | Series: NRS | Model: NRS 100B | Height M: 105 mm | Width W: 260 mm | Length L: 286.2 mm | Max Rail Length: 3000 mm | Dynamic Load C: 376 kN | Static Load C0: 737 kN | Structure: Full Ball Deep Groove | Mount: Through-hole Flange (bottom) | Load Type: 4-Direction Equal | Scale: Large | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NRS-100LB | NRS 100LB LM Block H105×W260×L326.2mm | THK | Type: LM Guide Block | Series: NRS | Model: NRS 100LB | Height M: 105 mm | Width W: 260 mm | Length L: 326.2 mm | Max Rail Length: 3000 mm | Dynamic Load C: 470 kN | Static Load C0: 920 kN | Structure: Full Ball Deep Groove | Mount: Through-hole Flange (bottom) | Load Type: 4-Direction Equal | Scale: Large | Application: Super Heavy Load Machine Tool | Brand: THK |
