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GGY series
NANJING GONGYI
GGY Arc Guide |
Inheriting the high-precision rolling mechanism, smooth operation and long service life of GGB precision linear guides, the GGY Rolling Arc Guide innovatively realizes flexible curved motion beyond linear travel. It fundamentally solves the common industry pain point where traditional bearing-based rotary components are limited by fixed sizes and cannot adapt to large-diameter circular motion scenarios. This breakthrough enables equipment designers to freely customize arc trajectories of different radii without being restricted by standard component specifications.
Thanks to its exclusive internal structural optimization, the GGY rolling arc guide eliminates running gaps during reciprocating arc movement, ensuring precise positioning and stable motion accuracy. Meanwhile, it is engineered with strong overload resistance, maintaining reliable operation under heavy-load working conditions. Another prominent competitive advantage is its scalable structural performance: as the motion diameter increases, the overall design rationality, manufacturing efficiency, assembly simplicity and later maintenance accessibility are further improved, providing greater engineering flexibility for large mechanical rotary systems.
With its customizable arc diameter, zero-clearance precision motion, strong overload capability and easy-maintenance structure, the GGY Rolling Arc Guide is widely deployed in high-precision and large-scale rotary mechanical equipment across multiple industries. It is perfectly suited for large-scale transposition and rotation equipment, industrial motion control devices, and high-standard medical precision machinery that requires stable curved motion output. In addition, it serves as a core motion component for stage performance rotating devices and vertical lathe processing equipment, delivering consistent, accurate and durable circular motion support for various high-end mechanical systems.
The GGY Rolling Arc Guide is independently developed based on mature linear guide rolling mechanics, with the technical team focusing on structural transformation from linear motion to arbitrary arc motion. By optimizing ball matching tracks, internal stress distribution and overall structural stability, the product achieves dual advantages of zero clearance and overload resistance. All product design standards follow industrial precision specifications, and each batch of finished products undergoes strict precision testing, gap detection and load endurance tests. The team supports personalized arc diameter customization and structural optimization to meet diverse non-standard rotary equipment design needs.
The GGY Rolling Arc Guide adopts high-precision integral grinding and forming technology, inheriting the sophisticated processing craftsmanship of GGB linear guides to ensure smooth rolling tracks and precise dimensional tolerance control. The optimized assembly process ensures tight fitting between rolling elements and guide tracks, realizing zero-clearance smooth operation and enhanced overload durability. The factory implements standardized production management for both standard and custom arc guide specifications. With complete production processes and strict quality inspection systems, we guarantee stable product quality, fast delivery cycles and reliable after-sales supply for global industrial 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) | |