• THK KR46 LM Guide Actuator, Motor Parallel, Block A/B
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THK KR46 LM Guide Actuator, Motor Parallel, Block A/B

THK KR46 LM Guide Actuator, Motor Parallel, Block A/B

THK KR46 LM Guide Actuator, motor parallel configuration.

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: 190–790 mm (A-type), 80–680 mm (B-type)
  • See model number configuration guide A2-136

Specifications

Motor Mounting Parallel
KR4630A-0190 KR46 No Cover Parallel, Block×1, Stroke 190mm | Model: KR46, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 190 mm | Outer Rail Length: 340 mm | Overall Length L1: 417 mm | C: 200 mm | Mass: 7.6 kg
KR4630A-0290 KR46 No Cover Parallel, Block×1, Stroke 290mm | Model: KR46, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 290 mm | Outer Rail Length: 440 mm | Overall Length L1: 517 mm | C: 300 mm | Mass: 9.0 kg
KR4630A-0390 KR46 No Cover Parallel, Block×1, Stroke 390mm | Model: KR46, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 390 mm | Outer Rail Length: 540 mm | Overall Length L1: 617 mm | C: 400 mm | Mass: 10.4 kg
KR4630A-0490 KR46 No Cover Parallel, Block×1, Stroke 490mm | Model: KR46, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 490 mm | Outer Rail Length: 640 mm | Overall Length L1: 717 mm | C: 500 mm | Mass: 11.8 kg
KR4630A-0590 KR46 No Cover Parallel, Block×1, Stroke 590mm | Model: KR46, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 590 mm | Outer Rail Length: 740 mm | Overall Length L1: 817 mm | C: 600 mm | Mass: 13.2 kg
KR4630A-0690 KR46 No Cover Parallel, Block×1, Stroke 690mm | Model: KR46, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 690 mm | Outer Rail Length: 840 mm | Overall Length L1: 917 mm | C: 700 mm | Mass: 14.6 kg
KR4630A-0790 KR46 No Cover Parallel, Block×1, Stroke 790mm | Model: KR46, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 790 mm | Outer Rail Length: 940 mm | Overall Length L1: 1017 mm | C: 800 mm | Mass: 16.0 kg
KR4630B-0080 KR46 No Cover Parallel, Block×2, Stroke 80mm | Model: KR46, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 80 mm | Outer Rail Length: 340 mm | Overall Length L1: 417 mm | C: 200 mm | Mass: 8.6 kg
KR4630B-0180 KR46 No Cover Parallel, Block×2, Stroke 180mm | Model: KR46, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 180 mm | Outer Rail Length: 440 mm | Overall Length L1: 517 mm | C: 300 mm | Mass: 10.0 kg
KR4630B-0280 KR46 No Cover Parallel, Block×2, Stroke 280mm | Model: KR46, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 280 mm | Outer Rail Length: 540 mm | Overall Length L1: 617 mm | C: 400 mm | Mass: 11.4 kg
KR4630B-0380 KR46 No Cover Parallel, Block×2, Stroke 380mm | Model: KR46, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 380 mm | Outer Rail Length: 640 mm | Overall Length L1: 717 mm | C: 500 mm | Mass: 12.8 kg
KR4630B-0480 KR46 No Cover Parallel, Block×2, Stroke 480mm | Model: KR46, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 480 mm | Outer Rail Length: 740 mm | Overall Length L1: 817 mm | C: 600 mm | Mass: 14.2 kg
KR4630B-0580 KR46 No Cover Parallel, Block×2, Stroke 580mm | Model: KR46, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 580 mm | Outer Rail Length: 840 mm | Overall Length L1: 917 mm | C: 700 mm | Mass: 15.6 kg
KR4630B-0680 KR46 No Cover Parallel, Block×2, Stroke 680mm | Model: KR46, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 680 mm | Outer Rail Length: 940 mm | Overall Length L1: 1017 mm | C: 800 mm | Mass: 17.0 kg
KR4631A-0190 KR46 With Cover Parallel, Block×1, Stroke 190mm | Model: KR46, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 190 mm | Outer Rail Length: 340 mm | Overall Length L1: 417 mm | C: 200 mm | Mass: 8.6 kg
KR4631A-0290 KR46 With Cover Parallel, Block×1, Stroke 290mm | Model: KR46, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 290 mm | Outer Rail Length: 440 mm | Overall Length L1: 517 mm | C: 300 mm | Mass: 10.0 kg
KR4631A-0390 KR46 With Cover Parallel, Block×1, Stroke 390mm | Model: KR46, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 390 mm | Outer Rail Length: 540 mm | Overall Length L1: 617 mm | C: 400 mm | Mass: 11.5 kg
KR4631A-0490 KR46 With Cover Parallel, Block×1, Stroke 490mm | Model: KR46, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 490 mm | Outer Rail Length: 640 mm | Overall Length L1: 717 mm | C: 500 mm | Mass: 13.0 kg
KR4631A-0590 KR46 With Cover Parallel, Block×1, Stroke 590mm | Model: KR46, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 590 mm | Outer Rail Length: 740 mm | Overall Length L1: 817 mm | C: 600 mm | Mass: 14.5 kg
KR4631A-0690 KR46 With Cover Parallel, Block×1, Stroke 690mm | Model: KR46, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 690 mm | Outer Rail Length: 840 mm | Overall Length L1: 917 mm | C: 700 mm | Mass: 16.0 kg
KR4631A-0790 KR46 With Cover Parallel, Block×1, Stroke 790mm | Model: KR46, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 790 mm | Outer Rail Length: 940 mm | Overall Length L1: 1017 mm | C: 800 mm | Mass: 17.4 kg
KR4631B-0080 KR46 With Cover Parallel, Block×2, Stroke 80mm | Model: KR46, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 80 mm | Outer Rail Length: 340 mm | Overall Length L1: 417 mm | C: 200 mm | Mass: 10.0 kg
KR4631B-0180 KR46 With Cover Parallel, Block×2, Stroke 180mm | Model: KR46, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 180 mm | Outer Rail Length: 440 mm | Overall Length L1: 517 mm | C: 300 mm | Mass: 11.4 kg
KR4631B-0280 KR46 With Cover Parallel, Block×2, Stroke 280mm | Model: KR46, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 280 mm | Outer Rail Length: 540 mm | Overall Length L1: 617 mm | C: 400 mm | Mass: 12.9 kg
KR4631B-0380 KR46 With Cover Parallel, Block×2, Stroke 380mm | Model: KR46, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 380 mm | Outer Rail Length: 640 mm | Overall Length L1: 717 mm | C: 500 mm | Mass: 14.4 kg
KR4631B-0480 KR46 With Cover Parallel, Block×2, Stroke 480mm | Model: KR46, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 480 mm | Outer Rail Length: 740 mm | Overall Length L1: 817 mm | C: 600 mm | Mass: 15.9 kg
KR4631B-0580 KR46 With Cover Parallel, Block×2, Stroke 580mm | Model: KR46, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 580 mm | Outer Rail Length: 840 mm | Overall Length L1: 917 mm | C: 700 mm | Mass: 17.4 kg
KR4631B-0680 KR46 With Cover Parallel, Block×2, Stroke 680mm | Model: KR46, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 680 mm | Outer Rail Length: 940 mm | Overall Length L1: 1017 mm | C: 800 mm | Mass: 18.8 kg
LM Guide ActuatorsTHK
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THK KR46 LM Guide Actuator, Motor Parallel, Block A/B

Brand THK·LM Guide Actuators

Available part numbers (28)

KR4630A-0190, KR4630A-0290, KR4630A-0390, KR4630A-0490, KR4630A-0590, KR4630A-0690, KR4630A-0790, KR4630B-0080, KR4630B-0180, KR4630B-0280 + 18 more — see full table ↓

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Product codes & specifications
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Product codeSpec
KR4630A-0190KR46 No Cover Parallel, Block×1, Stroke 190mm | Model: KR46, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 190 mm | Outer Rail Length: 340 mm | Overall Length L1: 417 mm | C: 200 mm | Mass: 7.6 kg
KR4630A-0290KR46 No Cover Parallel, Block×1, Stroke 290mm | Model: KR46, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 290 mm | Outer Rail Length: 440 mm | Overall Length L1: 517 mm | C: 300 mm | Mass: 9.0 kg
KR4630A-0390KR46 No Cover Parallel, Block×1, Stroke 390mm | Model: KR46, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 390 mm | Outer Rail Length: 540 mm | Overall Length L1: 617 mm | C: 400 mm | Mass: 10.4 kg
KR4630A-0490KR46 No Cover Parallel, Block×1, Stroke 490mm | Model: KR46, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 490 mm | Outer Rail Length: 640 mm | Overall Length L1: 717 mm | C: 500 mm | Mass: 11.8 kg
KR4630A-0590KR46 No Cover Parallel, Block×1, Stroke 590mm | Model: KR46, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 590 mm | Outer Rail Length: 740 mm | Overall Length L1: 817 mm | C: 600 mm | Mass: 13.2 kg
KR4630A-0690KR46 No Cover Parallel, Block×1, Stroke 690mm | Model: KR46, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 690 mm | Outer Rail Length: 840 mm | Overall Length L1: 917 mm | C: 700 mm | Mass: 14.6 kg
KR4630A-0790KR46 No Cover Parallel, Block×1, Stroke 790mm | Model: KR46, Long Block ×1 (A-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 790 mm | Outer Rail Length: 940 mm | Overall Length L1: 1017 mm | C: 800 mm | Mass: 16.0 kg
KR4630B-0080KR46 No Cover Parallel, Block×2, Stroke 80mm | Model: KR46, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 80 mm | Outer Rail Length: 340 mm | Overall Length L1: 417 mm | C: 200 mm | Mass: 8.6 kg
KR4630B-0180KR46 No Cover Parallel, Block×2, Stroke 180mm | Model: KR46, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 180 mm | Outer Rail Length: 440 mm | Overall Length L1: 517 mm | C: 300 mm | Mass: 10.0 kg
KR4630B-0280KR46 No Cover Parallel, Block×2, Stroke 280mm | Model: KR46, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 280 mm | Outer Rail Length: 540 mm | Overall Length L1: 617 mm | C: 400 mm | Mass: 11.4 kg
KR4630B-0380KR46 No Cover Parallel, Block×2, Stroke 380mm | Model: KR46, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 380 mm | Outer Rail Length: 640 mm | Overall Length L1: 717 mm | C: 500 mm | Mass: 12.8 kg
KR4630B-0480KR46 No Cover Parallel, Block×2, Stroke 480mm | Model: KR46, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 480 mm | Outer Rail Length: 740 mm | Overall Length L1: 817 mm | C: 600 mm | Mass: 14.2 kg
KR4630B-0580KR46 No Cover Parallel, Block×2, Stroke 580mm | Model: KR46, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 580 mm | Outer Rail Length: 840 mm | Overall Length L1: 917 mm | C: 700 mm | Mass: 15.6 kg
KR4630B-0680KR46 No Cover Parallel, Block×2, Stroke 680mm | Model: KR46, Long Block ×2 (B-type) | Cover: No Cover | Motor Mounting: Parallel | Cover Code: 30 (estimated ⚠️) | Stroke: 680 mm | Outer Rail Length: 940 mm | Overall Length L1: 1017 mm | C: 800 mm | Mass: 17.0 kg
KR4631A-0190KR46 With Cover Parallel, Block×1, Stroke 190mm | Model: KR46, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 190 mm | Outer Rail Length: 340 mm | Overall Length L1: 417 mm | C: 200 mm | Mass: 8.6 kg
KR4631A-0290KR46 With Cover Parallel, Block×1, Stroke 290mm | Model: KR46, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 290 mm | Outer Rail Length: 440 mm | Overall Length L1: 517 mm | C: 300 mm | Mass: 10.0 kg
KR4631A-0390KR46 With Cover Parallel, Block×1, Stroke 390mm | Model: KR46, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 390 mm | Outer Rail Length: 540 mm | Overall Length L1: 617 mm | C: 400 mm | Mass: 11.5 kg
KR4631A-0490KR46 With Cover Parallel, Block×1, Stroke 490mm | Model: KR46, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 490 mm | Outer Rail Length: 640 mm | Overall Length L1: 717 mm | C: 500 mm | Mass: 13.0 kg
KR4631A-0590KR46 With Cover Parallel, Block×1, Stroke 590mm | Model: KR46, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 590 mm | Outer Rail Length: 740 mm | Overall Length L1: 817 mm | C: 600 mm | Mass: 14.5 kg
KR4631A-0690KR46 With Cover Parallel, Block×1, Stroke 690mm | Model: KR46, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 690 mm | Outer Rail Length: 840 mm | Overall Length L1: 917 mm | C: 700 mm | Mass: 16.0 kg
KR4631A-0790KR46 With Cover Parallel, Block×1, Stroke 790mm | Model: KR46, Long Block ×1 (A-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 790 mm | Outer Rail Length: 940 mm | Overall Length L1: 1017 mm | C: 800 mm | Mass: 17.4 kg
KR4631B-0080KR46 With Cover Parallel, Block×2, Stroke 80mm | Model: KR46, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 80 mm | Outer Rail Length: 340 mm | Overall Length L1: 417 mm | C: 200 mm | Mass: 10.0 kg
KR4631B-0180KR46 With Cover Parallel, Block×2, Stroke 180mm | Model: KR46, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 180 mm | Outer Rail Length: 440 mm | Overall Length L1: 517 mm | C: 300 mm | Mass: 11.4 kg
KR4631B-0280KR46 With Cover Parallel, Block×2, Stroke 280mm | Model: KR46, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 280 mm | Outer Rail Length: 540 mm | Overall Length L1: 617 mm | C: 400 mm | Mass: 12.9 kg
KR4631B-0380KR46 With Cover Parallel, Block×2, Stroke 380mm | Model: KR46, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 380 mm | Outer Rail Length: 640 mm | Overall Length L1: 717 mm | C: 500 mm | Mass: 14.4 kg
KR4631B-0480KR46 With Cover Parallel, Block×2, Stroke 480mm | Model: KR46, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 480 mm | Outer Rail Length: 740 mm | Overall Length L1: 817 mm | C: 600 mm | Mass: 15.9 kg
KR4631B-0580KR46 With Cover Parallel, Block×2, Stroke 580mm | Model: KR46, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 580 mm | Outer Rail Length: 840 mm | Overall Length L1: 917 mm | C: 700 mm | Mass: 17.4 kg
KR4631B-0680KR46 With Cover Parallel, Block×2, Stroke 680mm | Model: KR46, Long Block ×2 (B-type) | Cover: With Cover | Motor Mounting: Parallel | Cover Code: 31 (estimated ⚠️) | Stroke: 680 mm | Outer Rail Length: 940 mm | Overall Length L1: 1017 mm | C: 800 mm | Mass: 18.8 kg

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