Spare PartsKR - Precision planetary right angle gearbox

The flexible, efficient yet economical solution to applications calling for space saving right angle drives with minimal backlash.
Bonfiglioli spare parts KR - Precision planetary right angle gearbox

The reduced backlash bevel helical drives of the KR series yield the best possible combination of precision, dynamics and compactness at unbeatable price. Numerous input and output configurations, as well as more transmission ratios, lend the product an unparalleled flexibility of use.

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Technical data

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Standard backlash
φ = 8 arcmin

Transmission ratio
i = 1, 2, 5

Servomotor coupling
Hollow shaft with clamping device

Mounting options
Keyed hollow shaft
Parallel shaft, single or double extension
Hollow shaft with shrink disc
Mounting flange

Catalogue options
Reinforced external load capacity


TypeMax NominalTorque (Nm) Accelerating
KR 101014
KR 202435
KR 305575
KR 40120170
TypeBacklash [arcmin]