• THK KR55 LM Guide Actuator, Motor Parallel 60°, Block A/B
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THK KR55 LM Guide Actuator, Motor Parallel 60°, Block A/B

THK KR55 LM Guide Actuator, Motor Parallel 60°, Block A/B

THK KR55 LM Guide Actuator, motor parallel configuration (flange angle 60°).

Key features

  • Available with or without cover
  • Long block ×1 (A-type) or ×2 (B-type)
  • Integrated LM block and ball screw nut for compact design
  • Equal load capacity in 4 directions
  • Stroke range: 800–1200 mm (A-type), 680–1080 mm (B-type)
  • See model number configuration guide A2-136

Specifications

Motor Mounting Parallel 60°
KR5530A-0800 KR55 No Cover Parallel 60°, Block×1, Stroke 800mm | Model: KR55, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 800 mm | Outer Rail Length: 980 mm | Overall Length L1: 1064 mm | C: 900 mm | G: 40 mm | Mass: 21.8 kg
KR5530A-0900 KR55 No Cover Parallel 60°, Block×1, Stroke 900mm | Model: KR55, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 900 mm | Outer Rail Length: 1080 mm | Overall Length L1: 1164 mm | C: 1050 mm | G: 15 mm | Mass: 23.6 kg
KR5530A-1000 KR55 No Cover Parallel 60°, Block×1, Stroke 1000mm | Model: KR55, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 1000 mm | Outer Rail Length: 1180 mm | Overall Length L1: 1264 mm | C: 1050 mm | G: 65 mm | Mass: 25.3 kg
KR5530A-1100 KR55 No Cover Parallel 60°, Block×1, Stroke 1100mm | Model: KR55, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 1100 mm | Outer Rail Length: 1280 mm | Overall Length L1: 1364 mm | C: 1200 mm | G: 40 mm | Mass: 27.1 kg
KR5530A-1200 KR55 No Cover Parallel 60°, Block×1, Stroke 1200mm | Model: KR55, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 1200 mm | Outer Rail Length: 1380 mm | Overall Length L1: 1464 mm | C: 1350 mm | G: 15 mm | Mass: 28.9 kg
KR5530B-0680 KR55 No Cover Parallel 60°, Block×2, Stroke 680mm | Model: KR55, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 680 mm | Outer Rail Length: 980 mm | Overall Length L1: 1064 mm | C: 900 mm | G: 40 mm | Mass: 23.7 kg
KR5530B-0780 KR55 No Cover Parallel 60°, Block×2, Stroke 780mm | Model: KR55, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 780 mm | Outer Rail Length: 1080 mm | Overall Length L1: 1164 mm | C: 1050 mm | G: 15 mm | Mass: 25.5 kg
KR5530B-0880 KR55 No Cover Parallel 60°, Block×2, Stroke 880mm | Model: KR55, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 880 mm | Outer Rail Length: 1180 mm | Overall Length L1: 1264 mm | C: 1050 mm | G: 65 mm | Mass: 27.2 kg
KR5530B-0980 KR55 No Cover Parallel 60°, Block×2, Stroke 980mm | Model: KR55, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 980 mm | Outer Rail Length: 1280 mm | Overall Length L1: 1364 mm | C: 1200 mm | G: 40 mm | Mass: 29.0 kg
KR5530B-1080 KR55 No Cover Parallel 60°, Block×2, Stroke 1080mm | Model: KR55, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 1080 mm | Outer Rail Length: 1380 mm | Overall Length L1: 1464 mm | C: 1350 mm | G: 15 mm | Mass: 30.8 kg
KR5531A-0800 KR55 With Cover Parallel 60°, Block×1, Stroke 800mm | Model: KR55, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 800 mm | Outer Rail Length: 980 mm | Overall Length L1: 1064 mm | C: 900 mm | G: 40 mm | Mass: 24.8 kg
KR5531A-0900 KR55 With Cover Parallel 60°, Block×1, Stroke 900mm | Model: KR55, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 900 mm | Outer Rail Length: 1080 mm | Overall Length L1: 1164 mm | C: 1050 mm | G: 15 mm | Mass: 26.7 kg
KR5531A-1000 KR55 With Cover Parallel 60°, Block×1, Stroke 1000mm | Model: KR55, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 1000 mm | Outer Rail Length: 1180 mm | Overall Length L1: 1264 mm | C: 1050 mm | G: 65 mm | Mass: 28.6 kg
KR5531A-1100 KR55 With Cover Parallel 60°, Block×1, Stroke 1100mm | Model: KR55, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 1100 mm | Outer Rail Length: 1280 mm | Overall Length L1: 1364 mm | C: 1200 mm | G: 40 mm | Mass: 30.5 kg
KR5531A-1200 KR55 With Cover Parallel 60°, Block×1, Stroke 1200mm | Model: KR55, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 1200 mm | Outer Rail Length: 1380 mm | Overall Length L1: 1464 mm | C: 1350 mm | G: 15 mm | Mass: 32.4 kg
KR5531B-0680 KR55 With Cover Parallel 60°, Block×2, Stroke 680mm | Model: KR55, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 680 mm | Outer Rail Length: 980 mm | Overall Length L1: 1064 mm | C: 900 mm | G: 40 mm | Mass: 28.6 kg
KR5531B-0780 KR55 With Cover Parallel 60°, Block×2, Stroke 780mm | Model: KR55, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 780 mm | Outer Rail Length: 1080 mm | Overall Length L1: 1164 mm | C: 1050 mm | G: 15 mm | Mass: 30.5 kg
KR5531B-0880 KR55 With Cover Parallel 60°, Block×2, Stroke 880mm | Model: KR55, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 880 mm | Outer Rail Length: 1180 mm | Overall Length L1: 1264 mm | C: 1050 mm | G: 65 mm | Mass: 32.4 kg
KR5531B-0980 KR55 With Cover Parallel 60°, Block×2, Stroke 980mm | Model: KR55, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 980 mm | Outer Rail Length: 1280 mm | Overall Length L1: 1364 mm | C: 1200 mm | G: 40 mm | Mass: 34.3 kg
KR5531B-1080 KR55 With Cover Parallel 60°, Block×2, Stroke 1080mm | Model: KR55, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 1080 mm | Outer Rail Length: 1380 mm | Overall Length L1: 1464 mm | C: 1350 mm | G: 15 mm | Mass: 36.2 kg
LM Guide ActuatorsTHK
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THK KR55 LM Guide Actuator, Motor Parallel 60°, Block A/B

Brand THK·LM Guide Actuators

Available part numbers (20)

KR5530A-0800, KR5530A-0900, KR5530A-1000, KR5530A-1100, KR5530A-1200, KR5530B-0680, KR5530B-0780, KR5530B-0880, KR5530B-0980, KR5530B-1080 + 10 more — see full table ↓

How to order

Send the THK part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
KR5530A-0800KR55 No Cover Parallel 60°, Block×1, Stroke 800mm | Model: KR55, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 800 mm | Outer Rail Length: 980 mm | Overall Length L1: 1064 mm | C: 900 mm | G: 40 mm | Mass: 21.8 kg
KR5530A-0900KR55 No Cover Parallel 60°, Block×1, Stroke 900mm | Model: KR55, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 900 mm | Outer Rail Length: 1080 mm | Overall Length L1: 1164 mm | C: 1050 mm | G: 15 mm | Mass: 23.6 kg
KR5530A-1000KR55 No Cover Parallel 60°, Block×1, Stroke 1000mm | Model: KR55, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 1000 mm | Outer Rail Length: 1180 mm | Overall Length L1: 1264 mm | C: 1050 mm | G: 65 mm | Mass: 25.3 kg
KR5530A-1100KR55 No Cover Parallel 60°, Block×1, Stroke 1100mm | Model: KR55, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 1100 mm | Outer Rail Length: 1280 mm | Overall Length L1: 1364 mm | C: 1200 mm | G: 40 mm | Mass: 27.1 kg
KR5530A-1200KR55 No Cover Parallel 60°, Block×1, Stroke 1200mm | Model: KR55, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 1200 mm | Outer Rail Length: 1380 mm | Overall Length L1: 1464 mm | C: 1350 mm | G: 15 mm | Mass: 28.9 kg
KR5530B-0680KR55 No Cover Parallel 60°, Block×2, Stroke 680mm | Model: KR55, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 680 mm | Outer Rail Length: 980 mm | Overall Length L1: 1064 mm | C: 900 mm | G: 40 mm | Mass: 23.7 kg
KR5530B-0780KR55 No Cover Parallel 60°, Block×2, Stroke 780mm | Model: KR55, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 780 mm | Outer Rail Length: 1080 mm | Overall Length L1: 1164 mm | C: 1050 mm | G: 15 mm | Mass: 25.5 kg
KR5530B-0880KR55 No Cover Parallel 60°, Block×2, Stroke 880mm | Model: KR55, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 880 mm | Outer Rail Length: 1180 mm | Overall Length L1: 1264 mm | C: 1050 mm | G: 65 mm | Mass: 27.2 kg
KR5530B-0980KR55 No Cover Parallel 60°, Block×2, Stroke 980mm | Model: KR55, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 980 mm | Outer Rail Length: 1280 mm | Overall Length L1: 1364 mm | C: 1200 mm | G: 40 mm | Mass: 29.0 kg
KR5530B-1080KR55 No Cover Parallel 60°, Block×2, Stroke 1080mm | Model: KR55, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel 60° | Cover Code: 30 (estimated ⚠️) | Stroke: 1080 mm | Outer Rail Length: 1380 mm | Overall Length L1: 1464 mm | C: 1350 mm | G: 15 mm | Mass: 30.8 kg
KR5531A-0800KR55 With Cover Parallel 60°, Block×1, Stroke 800mm | Model: KR55, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 800 mm | Outer Rail Length: 980 mm | Overall Length L1: 1064 mm | C: 900 mm | G: 40 mm | Mass: 24.8 kg
KR5531A-0900KR55 With Cover Parallel 60°, Block×1, Stroke 900mm | Model: KR55, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 900 mm | Outer Rail Length: 1080 mm | Overall Length L1: 1164 mm | C: 1050 mm | G: 15 mm | Mass: 26.7 kg
KR5531A-1000KR55 With Cover Parallel 60°, Block×1, Stroke 1000mm | Model: KR55, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 1000 mm | Outer Rail Length: 1180 mm | Overall Length L1: 1264 mm | C: 1050 mm | G: 65 mm | Mass: 28.6 kg
KR5531A-1100KR55 With Cover Parallel 60°, Block×1, Stroke 1100mm | Model: KR55, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 1100 mm | Outer Rail Length: 1280 mm | Overall Length L1: 1364 mm | C: 1200 mm | G: 40 mm | Mass: 30.5 kg
KR5531A-1200KR55 With Cover Parallel 60°, Block×1, Stroke 1200mm | Model: KR55, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 1200 mm | Outer Rail Length: 1380 mm | Overall Length L1: 1464 mm | C: 1350 mm | G: 15 mm | Mass: 32.4 kg
KR5531B-0680KR55 With Cover Parallel 60°, Block×2, Stroke 680mm | Model: KR55, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 680 mm | Outer Rail Length: 980 mm | Overall Length L1: 1064 mm | C: 900 mm | G: 40 mm | Mass: 28.6 kg
KR5531B-0780KR55 With Cover Parallel 60°, Block×2, Stroke 780mm | Model: KR55, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 780 mm | Outer Rail Length: 1080 mm | Overall Length L1: 1164 mm | C: 1050 mm | G: 15 mm | Mass: 30.5 kg
KR5531B-0880KR55 With Cover Parallel 60°, Block×2, Stroke 880mm | Model: KR55, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 880 mm | Outer Rail Length: 1180 mm | Overall Length L1: 1264 mm | C: 1050 mm | G: 65 mm | Mass: 32.4 kg
KR5531B-0980KR55 With Cover Parallel 60°, Block×2, Stroke 980mm | Model: KR55, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 980 mm | Outer Rail Length: 1280 mm | Overall Length L1: 1364 mm | C: 1200 mm | G: 40 mm | Mass: 34.3 kg
KR5531B-1080KR55 With Cover Parallel 60°, Block×2, Stroke 1080mm | Model: KR55, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel 60° | Cover Code: 31 (estimated ⚠️) | Stroke: 1080 mm | Outer Rail Length: 1380 mm | Overall Length L1: 1464 mm | C: 1350 mm | G: 15 mm | Mass: 36.2 kg

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