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GJAIF series
NANJING GONGYI
GJAIF Type Rolling Spline Subdimension Series |
The GJAIF Roll Spline Subdimension Series adopts a optimized subdimension structure, which achieves compact installation size while retaining excellent motion accuracy. With precisely machined spline tooth profiles and rolling raceways, it ensures smooth rolling movement, low friction and small rotational backlash during operation, helping equipment realize stable linear motion and torque transfer. Sourced and produced under strict factory quality control, the product balances consistent reliability and cost competitiveness. Compared with standard-size roll splines, its streamlined subdimension design fits limited assembly spaces, making it a cost-effective transmission option for precision machinery. It also boasts good wear resistance and long service life under regular operating conditions, effectively reducing replacement and maintenance costs for end equipment.
Thanks to its compact structure, high precision and cost advantages, the GJAIF Roll Spline Subdimension Series acts as a key motion transmission part for various precision automation equipment. It can be widely used in automated assembly equipment, small robotic arms, precision testing instruments, light-duty material handling machinery and packaging automation systems. It is also suitable for general-purpose servo motion platforms and other light & medium-load machinery that requires both compact layout and stable linear-torque transmission.
Supported by Gongyi’s long-term accumulation in rolling spline development, the GJAIF Roll Spline Subdimension Series is developed based on practical demands for compact precision transmission components. The engineering team optimizes the subdimension matching structure and tooth profile parameters to guarantee stable coordination between rolling elements and spline shafts. Every batch of products undergoes strict dimensional inspection, backlash testing and operational performance verification before delivery, to maintain stable consistency in mass production. Customization on specific sizes and technical parameters can be supported to meet customers’ special equipment requirements.
The GJAIF Roll Spline Subdimension Series is manufactured with mature precision forming and finishing processes. Key spline surfaces are finely processed to ensure high dimensional accuracy and smooth surface finish for stable rolling contact. As a direct factory supplier, Gongyi implements standardized production workflows. Regular specifications are kept in stock to support quick order fulfillment. Complete pre-shipment quality inspection and standardized packaging are carried out to guarantee qualified products delivered to global buyers at favorable factory-direct prices.

Unit:mm | ||||||||||||||||
Code and | Shaft | External | Length of | Max. | Dia.of | Dia.of | Thick- | Depth | Dia.of | Dia. | Oil | Position | Standard rated | Basic rated load | ||
Dynamic | Stationary | Dynamic Static | ||||||||||||||
GJAIF16 | 0 | 0 | 0 | 500 | 0 | 40 | 7 | 4.4 | 8 | 4.5 | 2 | 18 | 32 | 30 | 7.5 | 15.6 |
GJAIF20 | 0 | 0 | 0 | 600 | 0 | 45 | 9 | 5.4 | 9.5 | 5.5 | 2 | 22.5 | 55 | 55 | 10.1 | 24.7 |
GJAIF25 | 0 | 0 | 0 | 800 | 0 | 52 | 9 | 5.4 | 9.5 | 5.5 | 3 | 26.5 | 103 | 105 | 13.7 | 30.1 |
GJAIF30 | 0 | 0 | 0 | 1400 | 0 | 60 | 10 | 6.5 | 11 | 6.6 | 3 | 30 | 148 | 171 | 17.1 | 37.1 |
GJAIF40 | 0 | 0 | 0 | 1500 | 0 | 82 | 14 | 8.6 | 14 | 9 | 4 | 36 | 375 | 415 | 32.1 | 70.2 |
GJAIF50 | 0 | 0 | 0 | 1500 | 0 | 102 | 16 | 11 | 17.5 | 11 | 4 | 46.5 | 760 | 840 | 49.4 | 104.9 |
GJAIF60 | 0 | 0 | 0 | 1500 | 0 | 112 | 16 | 11 | 18 | 11 | 5 | 54 | 1040 | 1220 | 64.2 | 128.2 |
GJAIF80 | 0 | 0 | 0 | 1700 | 0 | 144 | 20 | 12.8 | 20 | 13.5 | 5 | 60 | 1920 | 2310 | 87.3 | 170.7 |
GJAIF100 | 0 | 0 | 0 | 1900 | 0 | 170 | 25 | 16.8 | 26 | 17.5 | 5 | 70 | 3010 | 3730 | 109.9 | 222 |
GJAIF120 | 0 | 0 | 0 | 1900 | 0 | 216 | 30 | 20.6 | 32 | 22 | 6 | 80 | 4100 | 5200 | 176.5 | 347 |