M-SBU Series

Support Unit For Ball screw

Support unit for ball screw helps to support each shaft-ends of
ball screw. We, S.I.M provides diverse options according to sizes,
loads and purposes for our customers’ best convenience.

Support Unit for Ball Screw (Index)

Installation Guide Made-To-Order

Motor Bracket Unit

Product Overview

M-SBU-2D (.dwg)
M-SBU-3D (.step)

M-SBU (FIXED SIDE / COMPACT TYPE )

Dimensions

Model	CAD	Sizes (mm)
Model	CAD	d₁	D	W	H	L	h	b	d_M	M	N	B	C₁	C₂
M-SBU-4.20.2 P5 / P0-C7		4	15(16)	34	29	52.5	15.5	17	2.4	16	5	8/10	4.5/3.5	4.5/3.5
M-SBU-5.20.2 P5 / P0-C7		5	15(16)	34	29	52.5	15.5	17	2.4	16	5	8/10	4.5/4.5	5.5/4.5
M-SBU-6.20.2		6	15(16)	38	29	60.5	15.5	19	2.4	16	5	12	7	5
M-SBU-6.28.2.5		6	22	43	38	71	18.5	21.5	2.9	23	5	12	7	5

Model	CAD	Sizes (mm)
Model	CAD	d₂	P₁	P₂	T₁	T₂	I₁	I₂	S₁	S₂	X	Y	Z
M-SBU-4.20.2 P5 / P0-C7		4.5	10.5	4.25	22	25.5	30.5	18	6.5	15.5	2.4	4.4	2
M-SBU-5.20.2 P5 / P0-C7		4.5	10.5	4.25	22	25.5	30.5	18	6.5	15.5	2.4	4.4	2
M-SBU-6.20.2 P5 / P0-C7		4.5	10.5	4	26	30	34	21	6.5	20	2.4	4.4	2
M-SBU-6.28.2.5		4.5	19	5	28	33	36	23	15	20	2.4	4.4	2

※ For 20-square motors, please check the Motor Pilot Bore Diameter D (Ø15 or Ø16) and select the appropriate product according to the “How to order” instructions below.
※ For details on motor mounting methods, please refer to our website.

How to Order

Precision grade	Mark (Fixed Side Only)	Bearing precision grade	Preload
	P5	P5	Medium
	P0-C7	General	Light

Surface Treatment	Mark	Surface Treatment (Support Unit)
	B	BA, Black Anodizing
	W	WA, White Anodizing
	N	NI, Electroless Nickel Plating

Motor Pilot Bore Diameter (D G7)	Mark	Diameter
	B15	Ø15
	B16	Ø16

Grease Model	Standard	LG2	AFE-CA	AFF	HT-Z1	NBU-15	XL-600
Mark	No mark	AG	AE	AF	AH	AN	AX