![[THK] — KR20 LM Guide Actuator, With Cover, Motor In-line (Long Block ×2)](https://prosourcemro.com/wp-content/uploads/2026/05/001-923-1024x683.png)
[THK] — KR20 LM Guide Actuator, With Cover, Motor In-line (Long Block ×2)
Family ID: THK-KR20-C_SER-B
THK KR20 LM Guide Actuator. With Cover, motor in-line (series) configuration. Long Block ×2 (long type). Integrated LM block and ball screw nut for compact design. Equal load capacity in 4 directions. Stroke range: 35–85 mm. See model number configuration guide A2-136.
2 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| KR2021B-0035 | KR20 With Cover In-line, Long Block ×2, Stroke 35mm | THK | Model: KR20, Long Block ×2 | Cover: With Cover | Motor Mounting: In-line (Series) | Cover Code: 21 (estimated ⚠️ A2-136 confirm required) | Stroke: 35 mm | Outer Rail Length: 150 mm | Overall Length L1: 209 mm | C: 120 mm | G: 15 mm | Mounting Holes n: 3 | Mass: 0.84 kg | ||
| KR2021B-0085 | KR20 With Cover In-line, Long Block ×2, Stroke 85mm | THK | Model: KR20, Long Block ×2 | Cover: With Cover | Motor Mounting: In-line (Series) | Cover Code: 21 (estimated ⚠️ A2-136 confirm required) | Stroke: 85 mm | Outer Rail Length: 200 mm | Overall Length L1: 259 mm | C: 120 mm | G: 40 mm | Mounting Holes n: 3 | Mass: 0.98 kg |
