Hydraulic cylinder SS series

pistondouble-actinghigh-speed

Short description
Compact open-centre hydraulic cylinder for through-spindle applications, offering a 46 mm through hole, 128 mm piston diameter and 16 mm stroke. Designed for compact installation and high-speed rotation.

Key features

• Piston diameter: 128 mm
• Piston stroke: 16 mm
• Through hole diameter: 46 mm
• Max operating pressure: 4.5 MPa
• Max speed: 8000 rpm
• Draw bar thrust (push side): 43.6 kN
• Draw bar thrust (pull side): 38.9 kN
• Piston area (push side): 102.8 cm2
• Piston area (pull side): 91.5 cm2
• Moment of inertia: 0.017 kg·m2
• Total leakage: 3.0 L/min
• Net weight: 8.0 kg

Compatibility
Compatible with Kitagawa B-200 and BB200 open-centre chucks, including B-206 variants. Suitable for retrofit and OEM spindle applications requiring through-spindle passage.

Product specifications

• Model / SKU: SS1246K
• Through hole diameter: 46 mm
• Piston diameter: 128 mm
• Piston stroke: 16 mm
• Piston area (push side): 102.8 cm2
• Piston area (pull side): 91.5 cm2
• Draw bar thrust (push side): 43.6 kN
• Draw bar thrust (pull side): 38.9 kN
• Max operation pressure: 4.5 MPa
• Max speed: 8000 rpm
• Moment of inertia: 0.017 kg·m2
• Total leakage: 3.0 L/min
• Net weight: 8.0 kg

Notes
Precision machined piston bores and included cool-running rotary unions support extended service life and reliable high-speed operation. The SS series is optimized for compact installation, offering approximately 30% reduced length versus the previous S Series.