Determine a satisfactory combination of bearing length

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Reference no: EM131378331

Repeat Problem 13.38D, except the chain transmits 5.0 kW at a chain velocity of 3 m/s, and the sprocket diameter is 120 mm.

Problem 13.38D

Figure P13.38D, which is not drawn to scale, shows a four-strand roller chain idler sprocket that rotates on a stationary shaft, supported by two sliding-surface bearings inside the sprocket. The chain transmits 3.7 kW at a chain velocity of 4 m/s, and the sprocket diameter is 122.3 mm. The distance between the inside edges of the sprocket shaft support is 115 mm.

(a) Determine a satisfactory combination of bearing length, diameter, and material.

(b) What considerations other than those taken into account in part (a) might influence the final decision of bearing diameter and length?

Reference no: EM131378331

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