#40 Chain Idler Sprocket

The #40 Chain Idler Sprocket is a critical component in roller chain systems, designed to guide and support the chain’s movement. It helps maintain proper tension and alignment, reducing wear and extending the lifespan of the chain. Ideal for various machinery applications, it ensures smooth operation and efficiency.

Specifications of #40 Chain Idler Sprocket

Ball Bearing Idler Sprocket

Ball Bearing Idler Sprocket Specification

Z Pitch de dp A D1 F B H Chain Size
18 1/2"×1/8" 78.9 73.14 3 16 40 12 18.3 #40
18 1/2"×3/16" 78.9 73.13 4.5 16 40 12 18.3 #40
16 1/2"×5/16" 69.5 65.1 7.2 16 40 12 18.3 #40
18 1/2"×5/16" 77.8 73.14 7.2 16 40 12 18.3 #40

Needle Bearing Idler Sprocket

Needle Bearing Idler Sprocket Specification

Sprocket Size Number Of Teeth Bearing Type Chain Size Outside Diameter Bore Size Length Thru Bore Dimension (T) Hub Diameter Weight
40NB19H 19 Needle Bearing #40 3.29" 1.00" 1.00" 0.284" 2.50" 1.10 LBS

Bronze Bearing Idler Sprocket

Bronze Bearing Idler Sprocket Specification

Sprocket Size Number Of Teeth Bearing Type Chain Size Outside Diameter Bore Size Length Thru Bore Dimension (T) Hub Diameter Weight
40BR13 13 Bronze Bearing #40 2.33" 1/2" 0.94" 0.284" 1.56" 0.50 LBS
40BR19 19 Bronze Bearing #40 3.29" 7/8" 1.06" 0.284" 2.50" 1.25 LBS

Bronze Bushed Idler Sprocket

Bronze Bushed Idler Sprocket Specification

Sprocket Size Number Of Teeth Chain Size Outside Diameter Bore Size Weight
41E15 15 #41 - #40 2.65" 1/2" 0.50 LBS

Application Scenarios of #40 Chain Idler Sprocket

The #40 Chain Idler Sprocket is a versatile component used in various industrial applications:

  • Conveyor Systems: It helps guide and maintain the tension of the chain, ensuring smooth operation.
  • Agricultural Equipment: Commonly found in tractors and harvesters, facilitating efficient power transmission.
  • Material Handling Equipment: Utilized in forklifts and pallet jacks to enhance movement and control of loads.

Idler Sprocket

Comparison of Different Idler Sprocket Types

The #40 Chain Idler Sprocket is available with various bearing types, each offering unique advantages. Ball bearings provide smooth rotation and are ideal for high-speed applications, reducing friction and wear. Needle bearings, on the other hand, excel in handling radial loads in compact spaces, making them suitable for heavy loads without increas