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GGY series
NANJING GONGYI
GGY Arc Guide |
Built on mature GGB precision ball linear guide technology, the GGY Rolling Arc Guide perfectly inherits low-friction rolling performance, high positioning accuracy and long service life. It makes up for the fatal flaw of traditional rotary motion accessories that cannot adapt to large-diameter circular motion, completely freeing mechanical design from fixed-size component restrictions. Engineers can customize any arc diameter according to actual equipment demands, greatly improving the flexibility of mechanical structural design.
The unique internal structural layout of the GGY Rolling Arc Guide eliminates motion gaps during curved operation, ensuring zero-backlash transmission and ultra-stable positioning accuracy during continuous arc and circular movement. Meanwhile, it delivers excellent overload resistance, adapting to long-term heavy-load operating conditions. In practical engineering applications, larger-diameter GGY arc guides show more prominent comprehensive advantages, including simpler structural design, higher manufacturing yield, more convenient on-site installation and lower later maintenance costs, bringing higher economic benefits for end users.
With customizable arbitrary arc diameter, zero-gap precision motion, superior overload resistance and easy maintenance features, the GGY Rolling Arc Guide is widely applicable to various large and high-precision rotary mechanical equipment. It is commonly used in large-scale transposition and rotating equipment, industrial automatic control devices, high-precision medical equipment, professional stage rotating and lifting devices, as well as vertical lathe processing machinery. It is the preferred core motion component for all types of equipment that require stable, high-precision and large-diameter circular and arc motion.
The GGY Rolling Arc Guide is developed by transforming and upgrading mature linear guide motion technology. The R&D team optimizes the rolling track structure and overall mechanical layout targeting arc motion working conditions, realizing the perfect transition from linear precision rolling to curved precision rolling. The innovative structural design solves the technical bottleneck of zero-gap operation and overload bearing for large-diameter arc guides. All products undergo strict dimensional detection, gap precision testing and load durability verification during production, ensuring stable and consistent product performance. Customized diameter and structural solutions are available to meet personalized equipment design requirements.
The GGY Rolling Arc Guide adopts high-precision integral grinding and standardized forming processes, inheriting the sophisticated processing standards of GGB linear guides. The precision-machined rolling tracks ensure smooth ball circulation, low friction and stable long-term operation. Every product is strictly inspected for precision, structural stability and load performance before delivery. The factory supports standardized mass production and customized non-standard diameter processing, with complete quality control and standardized packaging systems. It provides high-quality, cost-effective rolling arc guide products and reliable supply services for global industrial automation customers.

Note: Shaft unit: root; Block unit: pc; Unit of linear guide: set (one shaft and all parts on the shaft are as a set)
Item | Simple diagram | Testing items | Tolerance | |||
1 |
| The parallelism of the center of the top surface of the block to the base of the guide rail | Guideway arc length | Accuracy | ||
3 | 4 | 5 | ||||
≤250 | 10 | 14 | 29 | |||
>250~400 | 13 | 18 | 36 | |||
>400~630 | 16 | 22 | 44 | |||
>630~800 | 18 | 25 | 50 | |||
>800~1000 | 21 | 28 | 56 | |||
>1000~1250 | 24 | 33 | 66 | |||
>1250~1600 | 29 | 39 | 78 | |||
2 |
| The limit deviation of the height H between the top surface of the block and the base surface of the guide rail | Accuracy | |||
3 | 4 | 5 | ||||
±30 | ±60 | ±100 | ||||
3 |
| The variation of the top height H of multiple blocks in the same surface | Accuracy | |||
3 | 4 | 5 | ||||
12 | 20 | 30 | ||||
Spec. | Common | General preload |
P | P1 | |
GGY16 | -3~+3 | -9~-3 |
GGY20 | -5~+5 | -15~-5 |
GGY25 | -8~+8 | -24~-8 |
GGY30 | -10~+10 | -30~-10 |
GGY35 | -14~+14 | -42~-14 |
Note:The positive value indicates the interstice and the negative value indicates the amount of interference.
GGY Arc Guide |
Note:
MA.MB.MC mean rated torque of a block.
We can produce R0 in according to customer’s requirements, following table shows developed products.
Different arc guide can be connected to one circle.

Spec. | Dimesion | Dimension of block | Dimension of oil | Dimension of rail | Mn. | Dynaric | Static load rating | Torque force | Block | Rail | Spec. | ||||||||||||||||||||
H | B₁ | B₂ | B₃ | K | L₁ | L2 | L₃ | M | 0 | L₄ | G | N | B₄ | H₁ | dxDxh | θ₂ | R₀ | R₁ | R₂ | 0mx | θ₁ | C (kN) | C₀ (KN) | Ma (N ·m) | M₂ (N ·m) | Ma (N ·m) | kg | kg/m | |||
GGY16/168AA(AB) | 24 | 47 | 4.5 | 38 | 19.4 | 58 | 40.5 | 30 | M5 | 4.5 | 7 | M4 | 4 | 16 | 15 | 4.5×7.5×5.3 | 15° | 168 | 160 | 176 | 160° | 3° | 5.67 | 6.35 | 51.8 | 51.8 | 82.9 | 0.2 | 1.5 | GGY16/168AA(AB) | |
GGY16/228AA(AB) | 24 | 47 | 4.5 | 38 | 19.4 | 58 | 40.5 | 30 | M5 | 4.5 | 7 | M4 | 4 | 16 | 15 | 4.5×7.5×5.3 | 15° | 228 | 220 | 236 | 160° | 3° | 5.67 | 6.35 | 51.8 | 51.8 | 82.9 | 0.2 | 1.5 | GGY16/228AA(AB) | |
GGY16/300AA(AB) | 24 | 47 | 4.5 | 38 | 19.4 | 58 | 40.5 | 30 | M5 | 4.5 | 7 | M4 | 4 | 16 | 15 | 4.5×7.5×5.3 | 15° | 300 | 292 | 308 | 75° | 2° | 5.67 | 6.35 | 51.8 | 51.8 | 82.9 | 0.2 | 1.5 | GGY16/300AA(AB) | |
GGY16/390AA(AB) | 24 | 47 | 4.5 | 38 | 19.4 | 58 | 40.5 | 30 | M5 | 4.5 | 7 | M4 | 4 | 16 | 15 | 4.5×7.5×5.3 | 15° | 390 | 382 | 398 | 65° | 2° | 5.67 | 6.35 | 51.8 | 51.8 | 82.9 | 0.2 | 1.5 | GGY16/390AA(AB) | |
GGY25/230AA(AB) | 36 | 70 | 6.5 | 57 | 28.8 | 79.5 | 59 | 45 | M8 | 7 | 11 | M6 | 6 | 23 | 22 | 7×11×9 | 15° | 230 | 218.5 | 241.5 | 160° | 3° | 16.8 | 21.5 | 142.2 | 142.2 | 233.5 | 0.99 | 3.3 | GGY25/230AA(AB) | |
GGY25/400AA(AB) | 36 | 70 | 6.5 | 57 | 28.8 | 79.5 | 59 | 45 | M8 | 7 | 11 | M6 | 6 | 23 | 22 | 7×11×9 | 10° | 400 | 388.5 | 411.5 | 60° | 2° | 16.8 | 21.5 | 142.2 | 142.2 | 233.5 | 0.99 | 3.3 | GGY25/400AA(AB) | |
GGY25/500AA(AB) | 36 | 70 | 6.5 | 57 | 28.8 | 79.5 | 59 | 45 | M8 | 7 | 11 | M6 | 6 | 23 | 22 | 7×11×9 | 7° | 500 | 488.5 | 511.5 | 60° | 2° | 16.8 | 21.5 | 142.2 | 142.2 | 233.5 | 0.99 | 3.3 | GGY25/500AA(AB) | |
GGY25750AA(AB) | 36 | 70 | 6.5 | 57 | 28.8 | 79.5 | 59 | 45 | M8 | 7 | 11 | M6 | 6 | 23 | 22 | 7×11×9 | 5° | 750 | 738.5 | 751.5 | 35° | 2° | 16.8 | 21.5 | 142.2 | 142.2 | 233.5 | 0.99 | 3.3 | GGY25/750AA(AB) | |
GGY25/1000AA(AB) | 36 | 70 | 6.5 | 57 | 28.8 | 79.5 | 59 | 45 | M8 | 7 | 11 | M6 | 6 | 23 | 22 | 7×11×9 | 4° | 1000 | 988.5 | 1011.5 | 28° | 2° | 16.8 | 21.5 | 142.2 | 142.2 | 233.5 | 0.99 | 3.3 | GGY25/1000AA(AB) | |
GGY35/600AA(AB) | 48 | 100 | 9 | 82 | 38 | 111 | 81 | 58 | M10 | 11 | 11 | M6 | 8 | 34 | 29 | 9×14×12 | 9° | 600 | 583 | 617 | 60° | 3° | 34.97 | 58.53 | 610 | 610 | 1030 | 1.4 | 6.5 | GGY35/600AA(AB) | |
GGY35/800AA(AB) | 48 | 100 | 9 | 82 | 38 | 111 | 81 | 58 | M10 | 11 | 11 | M6 | 8 | 34 | 29 | 9×14×12 | 5.5° | 800 | 783 | 817 | 35° | 2° | 34.97 | 58.53 | 610 | 610 | 1030 | 1.4 | 6.5 | GGY35/800AA(AB) | |
GGY35/1000AA(AB) | 48 | 100 | 9 | 82 | 38 | 111 | 81 | 58 | M10 | 11 | 11 | M6 | 8 | 34 | 29 | 9×14×12 | 5° | 1000 | 983 | 1017 | 28° | 2° | 34.97 | 58.53 | 610 | 610 | 1030 | 1.4 | 6.5 | GGY35/1000AA(AB) | |
GGY35/1300AA(AB) | 48 | 100 | 9 | 82 | 38 | 111 | 81 | 58 | M10 | 11 | 11 | M6 | 8 | 34 | 29 | 9×14×12 | 3.5° | 1300 | 1283 | 1317 | 22° | 2° | 34.97 | 58.53 | 610 | 610 | 1030 | 1.4 | 6.5 | GGY35/1300AA(AB) | |
GGY45/800AA(AB) | 60 | 120 | 10 | 100 | 49 | 138 | 102.8 | 70 | M12 | 13 | 14 | M8 | 12 | 45 | 38 | 14×20×17 | 8° | 800 | 777.5 | 822.5 | 36° | 2° | 74.8 | 101.2 | 1290 | 1290 | 2100 | 4.3 | 15 | GGY45/800AA(AB) | |
GGY45/3600AA(AB) | 60 | 120 | 10 | 100 | 49 | 138 | 102.8 | 70 | M12 | 13 | 14 | M8 | 12 | 45 | 38 | 14×20×17 | 1.6° | 3600 | 3577.5 | 3622.5 | 8° | 0.5° | 74.8 | 101.2 | 1290 | 1290 | 2100 | 4.3 | 15 | GGY45/3600AA(AB) | |
GGY65/2000AA(AB) | 90 | 170 | 14 | 142 | 76 | 197 | 147 | 106 | M16 | 16 | 14 | M8 | 12 | 63 | 53 | 18×26×22 | 4° | 2000 | 1968.5 | 2031.5 | 14° | 1° | 191.8 | 237.5 | 4170 | 4170 | 6800 | 7.3 | 22.2 | GGY65/2000AA(AB) | |
GGY65/3105AA(AB) | 90 | 170 | 14 | 142 | 76 | 197 | 147 | 106 | M16 | 16 | 14 | M8 | 12 | 63 | 53 | 18×26×22 | 3° | 3105 | 3073.5 | 3136.5 | 9° | 0.5° | 191.8 | 237.5 | 4170 | 4170 | 6800 | 7.3 | 22.2 | GGY65/3105AA(AB) | |