Specifications of #50 Chain Idler Sprocket
Ball Bearing Idler Sprocket

Z |
Pitch |
de |
dp |
A |
D1 |
F |
B |
H |
Chain Size |
14 |
5/8"×3/8" |
78 |
71.34 |
9.1 |
16 |
40 |
12 |
18.3 |
#50 |
15 |
5/8"×3/8" |
83 |
76.36 |
9.1 |
16 |
40 |
12 |
18.3 |
#50 |
17 |
5/8"×3/8" |
93 |
86.39 |
9.1 |
16 |
40 |
12 |
18.3 |
#50 |
Needle Bearing Idler Sprocket

Sprocket Size |
Number Of Teeth |
Bearing Type |
Chain Size |
Outside Diameter |
Bore Size |
Length Thru Bore |
Dimension (T) |
Hub Diameter |
Weight |
50NB17H |
17 |
Needle Bearing |
#50 |
3.72" |
1.00" |
1.00" |
0.343" |
2.25" |
1.30 LBS |
Bronze Bearing Idler Sprocket

Sprocket Size |
Number Of Teeth |
Bearing Type |
Chain Size |
Outside Diameter |
Bore Size |
Length Thru Bore |
Dimension (T) |
Hub Diameter |
Weight |
50BR13 |
13 |
Bronze Bearing |
#50 |
2.91" |
1/2" |
0.94" |
0.343" |
1.87" |
0.90 LBS |
50BR17 |
17 |
Bronze Bearing |
#50 |
3.72" |
7/8" |
1.06" |
0.343" |
2.62" |
1.50 LBS |
Bronze Bushed Idler Sprocket

Sprocket Size |
Number Of Teeth |
Chain Size |
Outside Diameter |
Bore Size |
Weight |
51E15 |
15 |
50 |
3.32" |
1/2" |
0.70 LBS |
Application Scenarios of #50 Chain Idler Sprocket
The #50 Chain Idler Sprocket plays a crucial role in various machinery applications:
- Conveyor Systems: It helps in guiding and supporting the chain, ensuring smooth operation.
- Agricultural Equipment: Utilized in tractors and harvesters for efficient power transmission.
- Material Handling Equipment: Essential in forklifts and pallet jacks to manage load movement.
- Automotive Industry: Found in assembly lines for precise mechanical movement.

Comparison of Different Idler Sprocket Types
The #50 Chain Idler Sprocket is available with various bearing types, each offering unique benefits. Ball bearings provide smooth operation and are ide