China Sprocket & Chain # 140B21

Introduction
China Sprocket & Chain # 140B21, No. 140 – 1 3/4″ Pitch – Plain Bore Sprockets are widely used in various industrial machines and equipment. They are suitable for high-speed and high-torque applications, providing reliable power transmission. This sprocket is perfect for use in agricultural equipment, conveyor systems, and other heavy-duty machinery.
Product Details
The China Sprocket & Chain # 140B21 offers the following specifications:
Stock Bore Diameter |
1.500 in |
Hub Diameter |
6.250 in |
LTB |
2.500 in |
Style |
B |
No. Teeth |
21 |
Max. Bore |
4.250 in |
Weight |
38.700 lb |
Tooth Nominal Width |
0.924 in |
The sprocket has an outside diameter of 12.660 in, a pitch diameter of 11.743 in, and a caliper diameter of 10.709 in.
The chain’s pitch is 1.750 in, and its size is 140.
Usage Scenarios
The China Sprocket & Chain # 140B21 is ideal for use in a variety of heavy-duty machines and equipment. It can be used in agricultural equipment, conveyor systems, and other heavy machinery applications. Its solid rollers ensure it is of the highest quality, and with pre-stretched chain parts, it offers limited sag.
This sprocket can be used with a variety of materials, and it is easy to install, maintain, and repair. When replacing the sprocket, care must be taken to ensure proper alignment and the use of the correct tools.
Benefits
- High-quality construction for reliable performance
- Suitable for high-speed and high-torque applications
- Pre-stretched chain parts for limited sag
- Solid rollers for long-lasting durability
- Easy to install, maintain, and repair
Customization and Ordering
At EVER-POWER GROUP, we are committed to providing quality products, favorable prices, and attentive service. We welcome our customers to visit and customize their products with us. We can work with pictures or samples to ensure that our products meet your specific needs.
FAQs
- What is the pitch of the China Sprocket & Chain # 140B21?
- What is the size of the chain that goes with this sprocket?
- What materials can be used with this sprocket?
- Is it easy to install and maintain this sprocket?
- What should I do when replacing the sprocket?


Please note: All content on this page is from the Internet and is for reference only. We are not the original trademark holder, and our products are only applicable to aftermarket replacement parts rather than original parts. If you need to buy original spare parts, please contact the original factory to buy.