![[THK] — NR-B/LB LM Guide Block (Full Ball, Super Heavy Load, Through-hole Flange)](https://img.prosourcemro.com/2026/05/001-760-1024x818.png)
LM Guides
THK
[THK] — NR-B/LB LM Guide Block (Full Ball, Super Heavy Load, Through-hole Flange)
Family ID: THK-NR-B
Super heavy load full ball type LM Guide for machine tools. 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 | ||
|---|---|---|---|---|---|
| NR-75B | NR 75B LM Block H83×W195×L218mm | THK | Type: LM Guide Block | Series: NR | Model: NR 75B | Height M: 83 mm | Width W: 195 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 | Mount: Through-hole Flange (bottom) | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR-75LB | NR 75LB LM Block H83×W195×L274mm | THK | Type: LM Guide Block | Series: NR | Model: NR 75LB | Height M: 83 mm | Width W: 195 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 | Mount: Through-hole Flange (bottom) | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR-85B | NR 85B LM Block H90×W215×L246.7mm | THK | Type: LM Guide Block | Series: NR | Model: NR 85B | Height M: 90 mm | Width W: 215 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 | Mount: Through-hole Flange (bottom) | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR-85LB | NR 85LB LM Block H90×W215×L302.8mm | THK | Type: LM Guide Block | Series: NR | Model: NR 85LB | Height M: 90 mm | Width W: 215 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 | Mount: Through-hole Flange (bottom) | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR-100B | NR 100B LM Block H105×W260×L286.2mm | THK | Type: LM Guide Block | Series: NR | Model: NR 100B | Height M: 105 mm | Width W: 260 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 | Mount: Through-hole Flange (bottom) | Application: Super Heavy Load Machine Tool | Brand: THK | ||
| NR-100LB | NR 100LB LM Block H105×W260×L326.2mm | THK | Type: LM Guide Block | Series: NR | Model: NR 100LB | Height M: 105 mm | Width W: 260 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 | Mount: Through-hole Flange (bottom) | Application: Super Heavy Load Machine Tool | Brand: THK |
