Select G7 Series | JTEKT Machinery North America
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Select G7 Series

Select G7 Series

Engineered for exceptional precision and ease of operation, the JTEKT Select G7 sets the standard for large cylindrical grinding applications. This high-performance grinder combines powerful capabilities with user-friendly operation—delivering uncompromised accuracy for the largest, heavy-duty workpieces such as railway axles, construction vehicle shafts, and wind-power gear shafts. The Select G7 embodies JTEKT’s dedication to innovation, combining precision engineering, thermal stability, and operator-focused design. It’s a truly economical and high-capacity solution for manufacturers seeking superior grinding performance on large-scale workpieces.

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Select G7 Series grinding wheel

The Leader in Large Component Grinding

With a maximum distance between centers of 4,000 mm and a maximum grinding diameter of 650 mm, the SelectG7 accommodates oversized components while maintaining outstanding rigidity and stability. Depending on model configuration, it supports a maximum loading mass between centers of up to 3,000 kg, ensuring reliable performance for even the most demanding industrial parts.
Straight Angular diagram

Dual-Function Versatility

A standout feature of the SelectG7 is its dual-function grinding capability—allowing both straight and angular grinding operations on a single platform. The angle head/straight slide wheelhead design enables easy changeover between modes, providing the versatility of two machines in one. This not only enhances productivity but also reduces floor space requirements and total cost of ownership.

Models & Specifications
Distance Between Centersin (mm)157.4 (1,000)
Swing Over TableØ in (mm)25.9 (660)
Grinding Diameter (Max)in (mm)25.5 (650)
Wheel Surface SpeedSFPM (m/s)6,500 (30)
Distance Between Centersin (mm)98.4 (2,500)
Swing Over TableØ in (mm)25.9 (660)
Grinding Diameter (Max)in (mm)25.5 (650)
Wheel Surface SpeedSFPM (m/s)6,500 (30)
Distance Between Centersin (mm)125.9 (3,200)
Swing Over TableØ in (mm)25.9 (660)
Grinding Diameter (Max)in (mm)25.5 (650)
Wheel Surface SpeedSFPM (m/s)6,500 (30)
Distance Between Centersin (mm)157.4 (4,000)
Swing Over TableØ in (mm)25.9 (660)
Grinding Diameter (Max)in (mm)25.5 (650)
Wheel Surface SpeedSFPM (m/s)6,500 (30)