951 – Self-closing mechanical safety chucks with sliding rings and axial movement


They are used to rewind or unwind material in rolls on expanding airshafts; they allow to load or unload rolls more easily without moving the airshaft directly.

Sliding safety chuck (sliding disc opening). With sliding and axial movement the models are available to suit different loads. They are light or heavy. Square/Square or Square/Round Coupling. Using with Shaft or with Handwheels.

Any model can be both foot-mounted and flange-mounted.


Capacity Perp Pair: from 15.600 N to 30.000 N (Coil weight)
Max Torque Transmittable: from 1.000 Nm to 1.300 Nm
Max Speed: from 1.200 RPM to 1.500 RPM
Square Standard Socket: from □ 30-42 to □ 40-55
Standard Shaft Diameter:  from Ø 45-50 to Ø >=50


Download pdf file
951 light15.600 N1.000 NmFlangeShaft30-42/35-50//31,75-44,45/38,1-50,8Square/RoundKLLF1
951 light15.600 N1.000 NmFlangeHandwheel30-42/35-50//31,75-44,45/38,1-50,8Square/RoundKLLF2
951 light15.600 N1.000 NmFootShaft30-42/35-50//31,75-44,45/38,1-50,8Square/RoundKLLP1
951 light15.600 N1.000 NmFootHandwheel30-42/35-50//31,75-44,45/38,1-50,8Square/RoundKLLP2
951 light Splined15.600 N1.000 NmFlangeShaft35-50Square/RoundKLSLF1
951 light Splined15.600 N1.000 NmFootShaft35-50Square/RoundKLSLP1
951 heavy30.000 N1.300 NmFlangeShaft40-55Square/RoundKLPF1
951 heavy30.000 N1.300 NmFlangeHandwheel40-55Square/RoundKLPF2
951 heavy(With sensors)30.000 N1.300 NmFlangeHandwheel40-55Square/RoundKLPF2
951 heavy30.000 N1.300 NmFootShaft40-55Square/RoundKLPP1
951 heavy30.000 N1.300 NmFootHandwheel40-55Square/RoundKLPP2
951 heavy Splined30.000 N1.3000 NmFlangeShaft40-55Square/RoundKLSPF1
951 heavy Splined30.000 N1.3000 NmFootShaft40-55Square/RoundKLSPP1
951 heavy Splined(With sensors)30.000 N1.3000 NmFlangeShaft40-55Square/RoundKLSPF1


KL= Safety Chuck (Mechanical), L = Light, P = Heavy, SL = Splined Light, SP = Splined Heavy, F = Flange, P = Foot, 1 = With Shaft, 2 = With Handwheel

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