Ball Linear Motion Guide

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The GGB ball linear motion guide is the first generation of rolling linear guide and the most widely used linear guide product. Due to the 45º contact angle design, equal rated load is applied in four directions, including the vertically upward, downward, horizontally leftward and rightward directions. It is also called a four direction equal load linear motion guide.

There are two types of ball linear motion guide, interchangeable and non interchangeable. The dimensions, load capacities and other parameters of both types are identical, but the interchangeable ball linear motion guide is more user friendly and widely used in general transmission application, as the block and rail can be freely interchanged. When you move the block from the rail, it can be assembled to any other rails. However, the accuracy is lower than the non interchangeable ball linear motion guide.

The ball linear motion guide is used for machining center, NC lathe, handling equipment, EDM machines, woodworking machinery, laser processing machines, precision testing equipment, packaging machinery, food machinery, medical equipment, tool grinder, surface grinder, etc.

Technical Specifications

Seal Type and Dimension Increase

Seal code	Seal type	Amounting dimension L₁ Increase(mm)
Seal code	Seal type	GGB16	GGB20	GGB25	GGB30	GGB35	GGB45	GGB55	GGB65	GGB85
MM	End seal	+0	+0	+0	+0	+0	+0	+0	+0	+0
MN	End seal+side seal	+0	+0	+0	+0	+0	+0	+0	+0	+0
MX	End seal+side seal + scraper	+2	+2	+2	+3	+3	+4	+4	+5	+5
MY	Tighten-end seal+side seal	+0	+0	+0	+0	+0	+1	+0.4	+0	+0
MZ	Tighten-end seal+scraper	+2	+2	+2	+3	+3	+5	+4.4	+5	+5

Code rule and definition

GGB
①

P₁
⑨

8400
⑪

(2)
⑫

-4
⑬

①Type code of four direction equal load ball guide
②Nominal dimension of rail
③Code of block width (A for wide (flange) type, B for narrow type)
④Mounting hole of block (A for thread hole, B for through hole)
⑤Code of block length (standard is not specified, L for lengthen)
⑥Code of special requested block (standard is not specified)
⑦Seal type
⑧Number of blocks used per rail
⑨Preload, total P₀, P₁, P, P₃
⑩Number of rails used in the same surface
⑪ Rail length
⑫ Number of joint guide (non joint is not specified)
⑬ Accuracy grade, total 1, 2, 3, 4, 5, 6 grades

Type	Dimension of Assembly		Dimension of Block										Dimension of Oil Cup
Type	H	W	B₁	B₂	B₃	K	T	T₁	M₁	L₁	L₂	L₃	L₄	G	N
GGB16AA	24	15.5	47	4.5	38	19.4	7	11	M5	58	40.5	30	2.5	O4	4
GGB20AA GGB20AAL	30	21.5	63	5	53	24	10	10	M6	70 86	50 66	40	11	M6	6
GGB25IAA GGB25IAAL GGB25IIAA GGB25IIAAL	37 36	23.5	70	6.5	57	29.8 28.8	10	16	M8	79.5 98.5 79.5 98.5	59 78 59 78	45	11	M6	7.2
GGB30AA GGB30AAL	42	31	90	9	72	35	10	18	M10	95.2 117.2	70 92	52	11	M6	7
GGB35AA GGB35AAL	48	33	100	9	82	38	13	21	M10	107.8 131.8	81 105	62	11	M6	8
GGB45IAA GGB45IAAL GGB45IIAA GGB45IIAAL	62 60	37.5	120	10	100	51 49	15	25	M12	135 163 135 163	102 130 102 130	80	11	M6	12
GGB55AA GGB55AAL	70	43.5	140	12	116	57	20	29	M14	161 199	118 156	95	14	M8 ×1	12
GGB65AA GGB65AAL	90	53.5	170	14	142	76	23	37	M16	195 255	147 207	110	14	M8 ×1	12
GGB85AA GGB85AAL	110	65	215	15	185	94	30	55	M20	243.4 300.4	179 236	140	14	M8 ×1	14

Dimension of Rail					Dynamic Load Rating	Static Load Rating	Torque Rating			Weight(kg)
B₄	H₁	d × D × h	F	Max. Single Length L_max	C(KN)	C_O(KN)	M_A(Nm)	M_B(Nm)	M_C(Nm)	Block(per/ pc)	Rail (per/ meter)
16	15	4.5 ×7.5× 5.3	60	1200	8.51	13.38	70	70	100	0.155	1.62
20	18	6 ×9.5× 8.5	60	3000	13.70 18.43	19.27 26.50	160 260	160 260	230 310	0.32 0.47	2.3
23	22	7×11×9	60	6000	20.19 27.17 20.19 27.17	29.98 40.68 29.98 40.68	260 450 260 450	260 450 260 450	390 500 390 500	0.545 0.75 0.545 0.75	3.3
28	26	9×14×12	80	6000	28.08 37.77	46.33 61.77	430 720	430 720	650 870	1.1 1.2	4.7
34	29	9×14×12	80	6000	34.97 46.43	58.53 76.54	610 1030	610 1030	1030 1380	1.3 2.3	6.5
45	38	14×20×16	100 105	6000	60.14 80.83 60.14 80.83	94.57 126.09 94.57 126.09	1290 2080 1290 2080	1290 2080 1290 2080	2100 2790 2100 2790	2.5 3.3 2.5 3.3	11.2
53	44	16×23×20	120	6000	92.62 126.51	137.57 187.60	2180 3650	2180 3650	3640 4860	4.2 5.7	15
63	53	18×26×22	150	6000	154.13 220.24	221.89 322.75	4170 7300	4170 7300	6800 9100	7.3 10.7	22.2
85	65	24×35×28	180	6000	247.88 351.45	346.70 441.26	10400 12800	10400 12800	12900 17200	17.0 23.0	35.5

NOTE

MA, MB, MC are shown in diagram, each indicates rated torque value of one block.
Lmax is the maximum length of one rail. Please contact us if you need rail joint.
Without special request, distances from both ends to the mounting hole in one rail are equal.
There is no baffle at the both ends of GGB35~85 rails, please let us know if you need it.
Please let us know if you need oiling from side surface.
Because of the difference in height of GGB25AA/AAL, and difference in height and hole distance of GGB45AA/AAL, we classified them into I and II, II is the recommended one.

Type	Dimension of Assembly		Dimension of Block											Dimension of Oil Cup
Type	H	W	B₁	B₂	B₃	K	T	T₁	Ф	L₀	L₁	L₂	L₃	L₄	G	N
GGB16AB	24	15.5	47	4.5	38	19.4	7	11	4.5	7	58	40.5	30	2.5	O4	4
GGB20AB GGB20ABL	30	21.5	63	5	53	24	10	10	7	10	70 86	50 66	40	11	M6	6
GGB25IAB GGB25IABL GGB25IIAB GGB25IIABL	37 36	23.5	70	6.5	57	29.8 28.8	10	16	7	10	79.5 98.5 79.5 98.5	59 78 59 78	45	11	M6	7.2
GGB30AB GGB30ABL	42	31	90	9	72	35	10	18	9	10	95.2 117.2	70 92	52	11	M6	7
GGB35AB GGB35ABL	48	33	100	9	82	38	13	21	11	13	107.8 131.8	81 105	62	11	M6	8
GGB45IAB GGB45IABL GGB45IIAB GGB45IIABL	62 60	37.5	120	10	100	51 49	15	25	13	15	135 163 135 163	102 130 102 130	80	11	M6	12
GGB55AB GGB55ABL	70	43.5	140	12	116	57	20	29	14	17	161 199	118 156	95	14	M8 ×1	12
GGB65AB GGB65ABL	90	53.5	170	14	142	76	23	37	16	23	195 255	147 207	110	14	M8 ×1	12
GGB85AB GGB85ABL	110	65	215	15	185	94	30	55	18	30	243.4 300.4	179 236	140	14	M8 ×1	14

Dimension of Rail					Dynamic Load Rating	Static Load Rating	Torque Rating			Weight(kg)
B₄	H₁	d × D × h	F	Max. Single Length L_max	C(KN)	C_O(KN)	M_A(Nm )	M_B(Nm )	M_C(Nm )	Block(per/ pc)	Rail (per/ meter)
16	15	4.5 ×7.5× 5.3	60	1200	8.51	13.38	70	70	100	0.155	1.62
20	18	6 ×9.5× 8.5	60	3000	13.70 18.43	19.27 26.50	160 260	160 260	230 310	0.32 0.47	2.3
23	22	7×11×9	60	6000	20.19 27.17 20.19 27.17	29.98 40.68 29.98 40.68	260 450 260 450	260 450 260 450	390 500 390 500	0.545 0.75 0.545 0.75	3.3
28	26	9×14×12	80	6000	28.08 37.77	46.33 61.77	430 720	430 720	650 870	1.1 1.2	4.7
34	29	9×14×12	80	6000	34.97 46.43	58.53 76.54	610 1030	610 1030	1030 1380	1.3 2.3	6.5
45	38	14×20×16	100 105	6000	60.14 80.83 60.14 80.83	94.57 126.09 94.57 126.09	1290 2080 1290 2080	1290 2080 1290 2080	2100 2790 2100 2790	2.5 3.3 2.5 3.3	11.2
53	44	16×23×20	120	6000	92.62 126.51	137.57 187.60	2180 3650	2180 3650	3640 4860	4.2 5.7	15
63	53	18×26×22	150	6000	154.13 220.24	221.89 322.75	4170 7300	4170 7300	6800 9100	7.3 10.7	22.2
85	65	24×35×28	180	6000	247.88 351.45	346.70 441.26	10400 12800	10400 12800	12900 17200	17.0 23.0	35.5

NOTE

MA, MB, MC are shown in diagram. Each indicates rated torque value of one block.
Lmax is the maximum length of one guide rail. Please contact us if you need rail joint.
Without special request, distances from both ends to the mounting hole in one rail are equal.
There is no baffle at the both ends of GGB35~85 guide rails; please let us know if you need it.
Please let us know if you need oiling from side surface.
Because of the difference in height of GGB25AB/ABL, and difference in height and hole distance of GGB45AB/ABL, we classified them into I and II, II is the recommended one.

Type	Dimension of Assembly		Dimension of Block									Dimension of Oil Cup
Type	H	W	B₁	B₂	B₃	K	T	M₁ ×L₀	L₁	L₂	L₃	L₄	G	N
GGB16BA	28	9	34	4	26	23.4	6	M4 ×5	58	40.5	26	2.5	O4	9
GGB20BA GGB20BAL	30	12	44	6	32	24	8	M5 ×5	70 86	50 66	36 50	11	M6	5
GGB25BA GGB25BAL	40	12.5	48	6.5	35	32.8	8	M6 ×8	79.5 98.5	59 78	35 50	11	M6	10.2
GGB30BA GGB30BAL	45	16	60	10	40	38	8	M8 ×8	95.2 117.2	70 92	40 60	11	M6	10
GGB35BA GGB35BAL	55	18	70	10	50	45	10	M8 ×12	107.8 131.8	81 105	50 72	11	M6	17
GGB45IBA GGB45IBAL GGB45IIBA GGB45IIBAL	70	20.5	86	13	60	59	15	M10 ×16	135 163 135 163	102 130 102 130	60 80 60 80	11	M6	21
GGB55BA GGB55BAL	80	23.5	100	12.5	75	67	18	M12 ×18	161 199	118 156	75 95	14	M8 ×1	22
GGB65BA GGB65BAL	90	31.5	126	25	76	76	23	M16 ×16	195 255	147 207	70 120	14	M8 ×1	12
GGB85BA GGB85BAL	110	39	163	31.5	100	94	30	M18 ×25	243.4 300.4	179 236	80 140	14	M8 ×1	14

Dimension of Rail					Dynamic Load Rating	Static Load Rating	Torque Rating			Weight(kg)
B₄	H₁	d × D × h	F	Max. Single Length L_max	C(KN)	C_O(KN)	M_A(Nm )	M_B(Nm )	M_C(Nm )	Block(per/ pc)	Rail (per/ meter)
16	15	4.5 ×7.5× 5.3	60	1200	8.51	13.38	70	70	100	0.18	1.62
20	18	6 ×9.5× 8.5	60	3000	13.70 18.43	19.27 26.50	160 260	160 260	230 310	0.35 0.47	2.3
23	22	7×11×9	60	6000	20.19 27.17	29.98 40.68	260 450	260 450	390 500	0.67 0.75	3.3
28	26	9×14×12	80	6000	28.08 37.77	46.33 61.77	430 720	430 720	650 870	0.9 1.1	4.7
34	29	9×14×12	80	6000	34.97 46.43	58.53 76.54	610 1030	610 1030	1030 1380	2.0 2.3	6.5
45	38	14×20×16	100 105	6000	60.14 80.83 60.14 80.83	94.57 126.09 94.57 126.09	1290 2080 1290 2080	1290 2080 1290 2080	2100 2790 2100 2790	3.1 3.3 3.1 3.3	11.2
53	44	16×23×20	120	6000	92.62 126.51	137.57 187.60	2180 3650	2180 3650	3640 4860	5.4 5.7	15
63	53	18×26×22	150	6000	154.13 220.24	221.89 322.75	4170 7300	4170 7300	6800 9100	9.3 10.7	22.2
85	65	24×35×28	180	6000	247.88 351.45	346.70 441.26	10400 12800	10400 12800	12900 17200	13.0 16.0	35.5

NOTE

MA, MB, MC are shown in diagram, each indicates rated torque value of one block.
Lmax is the maximum length of one rail. Please contact us if you need rail joint.
Without special request, distances from both ends to the mounting hole in one rail are equal.
There is no baffle of both ends of GGB35~85 rails, please let us know if you need it.
Please let us know if you need oiling from side surface.
Because of the difference in hole distances of GGB45BA/BAL, we classify them to I and II, II is the recommended one.

As a professional ball linear motion guide manufacturer based in China, our company provides an extensive line of products, including linear guide, linear motion spline, precision ball screw, CNC worktable, and much more.