Catalogue - LM Guide Actuator KR - THK - (Version JPG)

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Guide bushing, Plain bearing, Ball screw, Cam follower, Linear guide

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• Block type C

Unit: mm


Model	LM Rail Length L	Stroke Length S	MIN / MAX	Motor Side A	Non-motor Side B	Ri	W	T	T1
	150	78.7	17 / 98.5	36	35.3
	200	119.4	23 / 142.5	39.3	41.3
KR33	300	195.4	35 / 230.5	51.3	53.3	28.5	84	44.5	20
KR33	400	269.4	48 / 317.5	64.3	66.3	28.5	84	44.5	20
	500	345.4	60 / 405.5	76.3	78.3
	600	425.4	70 / 495.5	86.3	88.3
	340	205.4	34.5 / 240	67.3	67.3
	440	279.4	47.5 / 327	80.3	80.3
KR46	540	355.4	59.5 / 415	92.3	92.3
KR46	640	439.4	67.5 / 507	100.3	100.3	43.5	110	56	20
	740	509.4	82.5 / 592	115.3	115.3
	940	675.4	99.5 / 775	132.3	132.3

(Note 1) An adapter plate is available for lubricating the actuator guide from the grease nipple with the bellows still attached. For details, contact THK.

(Note 2) The degree of shrinkage differs when the bellows are used in applications outside of horizontal use (e.g. vertical or wall-mounting use). For details, contact THK.


		A (degree of shrinkage)
	KR33	7
	KR46	7

(Note) Calculate the length of the bellows by the following equation:

(A-1)

S: Stroke length (mm)

Lmin =

Lmax = Lmin • A A: Degree of shrinkage (see table at right)

⁴⁹ THnlK

LM Guide Actuator KR - THK - #50

Guide bushing, Plain bearing, Ball screw, Cam follower, Linear guide