![[THK] — Linear Roller Guide LRA / LRA-Z (Slim Type)](https://prosourcemro.com/wp-content/uploads/2026/05/001-1036-1024x821.png)
Roller Guides
THK
[THK] — Linear Roller Guide LRA / LRA-Z (Slim Type)
Family ID: THK-LRA
THK LRA / LRA-Z type Linear Roller Guide, slim design. Width W1 = 15~50mm; narrower rail width W0 vs standard LR for space-saving installations. LRA-Z type (W1 15~32mm) includes ball retainer. Basic dynamic load rating C = 21.6~285 kN; static C0 = 39.9~577 kN. Same load ratings as LR series with reduced overall width.
6 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| LRA1547Z | THK Linear Roller Guide LRA1547Z (slim), W1=15mm, W0=22.2mm, C=21.6kN, 54g | THK | Type: LRA-Z (with ball retainer) | Width (W1): 15 mm | Length (L): 47 mm | Thickness (T): 16.0 mm | Rail Width (W0): 22.2 mm | Mass: 54 g | Basic Dynamic Load Rating C: 21.6 kN | Basic Static Load Rating C0: 39.9 kN | Note: Slim type — narrower W0 vs LR series (Note: socket head cap bolt may cause interference) | ||
| LRA2055Z | THK Linear Roller Guide LRA2055Z (slim), W1=20mm, W0=30.0mm, C=38.9kN, 104g | THK | Type: LRA-Z (with ball retainer) | Width (W1): 20 mm | Length (L): 55 mm | Thickness (T): 17.3 mm | Rail Width (W0): 30.0 mm | Mass: 104 g | Basic Dynamic Load Rating C: 38.9 kN | Basic Static Load Rating C0: 84.9 kN | Note: Slim type — narrower W0 vs LR series (Note: socket head cap bolt may cause interference) | ||
| LRA2565Z | THK Linear Roller Guide LRA2565Z (slim), W1=25mm, W0=38.1mm, C=55.0kN, 180g | THK | Type: LRA-Z (with ball retainer) | Width (W1): 25 mm | Length (L): 65 mm | Thickness (T): 20.6 mm | Rail Width (W0): 38.1 mm | Mass: 180 g | Basic Dynamic Load Rating C: 55.0 kN | Basic Static Load Rating C0: 113.0 kN | Note: Slim type — narrower W0 vs LR series (Note: socket head cap bolt may cause interference) | ||
| LRA3275Z | THK Linear Roller Guide LRA3275Z (slim), W1=32mm, W0=45.0mm, C=88.0kN, 310g | THK | Type: LRA-Z (with ball retainer) | Width (W1): 32 mm | Length (L): 75 mm | Thickness (T): 21.6 mm | Rail Width (W0): 45.0 mm | Mass: 310 g | Basic Dynamic Load Rating C: 88.0 kN | Basic Static Load Rating C0: 208.0 kN | Note: Slim type — narrower W0 vs LR series (Note: socket head cap bolt may cause interference) | ||
| LRA4095 | THK Linear Roller Guide LRA4095 (slim), W1=40mm, W0=55.0mm, C=150.0kN, 740g | THK | Type: LRA (standard) | Width (W1): 40 mm | Length (L): 95 mm | Thickness (T): 30.0 mm | Rail Width (W0): 55.0 mm | Mass: 740 g | Basic Dynamic Load Rating C: 150.0 kN | Basic Static Load Rating C0: 326.0 kN | Note: Slim type — narrower W0 vs LR series | ||
| LRA50130 | THK Linear Roller Guide LRA50130 (slim), W1=50mm, W0=76.2mm, C=285.0kN, 1770g | THK | Type: LRA (standard) | Width (W1): 50 mm | Length (L): 130 mm | Thickness (T): 42.0 mm | Rail Width (W0): 76.2 mm | Mass: 1770 g | Basic Dynamic Load Rating C: 285.0 kN | Basic Static Load Rating C0: 577.0 kN | Note: Slim type — narrower W0 vs LR series |
