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

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Ball screw, Roller bearing, Shaft, Linear module, Ball joint

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• Block type B

_B_

A ... R2 _H<

R 1 ^J

Unit: mm


Model	LM Rail Length L	Stroke Length S	MIN / MAX	Motor Side A	Non-motor Side B	R1	R2	W	T	^T1
	300	114	25 / 139	54	56
KR33	400	194	35 / 229	64	66	130	76	84	44.5	20
KR33	500	264	50 / 321	79	81	130	76	84	44.5	20
	600	344	60 / 404	89	91
	340	90	15.5 / 111.5	73	67
	440	168	29.5 / 197.5	81	81
	540	248	39.5 / 287.5	91	91	191	110	110	56	20
KR46	640	318	54.5 / 372.5	106	106	191	110	110	56	20
	740	408	59.5 / 467.5	111	111
	940	548	89.5 / 637.5	141	141
	980	652	50.4 / 702.4	100	100
	1080	738	57.4 / 795.4	107	107
KR55	1180	826	63.4 / 889.4	113	113	223.1	128	154	77	42
	1280	912	70.4 / 982.4	120	120
	1380	998	77.4 /1075.4	127	127
	980	625.5	46 / 671.5	103	106.5
KR65	1180	795.5	61 / 856.5	118	121.5	225	145	184	87	49
KR65	1380	959.5	79 /1038.5	136	139.5	225	145	184	87	49
	1680	1211.5	103 /1314.5	160	163.5

(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
	KR55	13
	KR65	13

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

S: Stroke length (mm)

Lmin =

(A-1)

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

LM Guide Actuator KR - THK - #49

Ball screw, Roller bearing, Shaft, Linear module, Ball joint