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RA 437 Z Complete Freewheel Clutch Unit

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Part Number RA 437 Z
Series RA
Spring Type Z (Tension)
Type Complete Freewheel Clutch Unit
Sealed Yes
Integrated Ball Bearing Yes
Integrated Roller Bearing Yes
Lubrication Oil
GMN RA 400 series clutch below two drawings representing the clutch's dimensions and clamping direction.


Bore Diameter d [mm] 15
Outer Diameter D [mm] 65

Geometric Data

Outer Ring Keyway No
Inner Ring Keyway Yes
Weight [kg] 0.810
Inner Ring Keyway Width b [mm] 5
Inner Ring Keyway Depth t [mm] 2.300

Shaft & Housing Tolerances

Shaft & Housing Chamfer 1mm × 15°
Shaft Tolerance k5
Housing Tolerance N/A


Nominal Torque T [N⋅m] 161
Nominal Torque T [ft⋅lb] 118.700
Max. Indexing Frequency [Hz] 10
Max. Speed n [RPM] 1,700
Max. Dynamic Radial Load Cdyn [N] 8,962
Max. Static Radial Load Cstat [N] 8,661
Max. Temperature [°C] 110
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