QD Type Weld-On Hub

QD Type weld-on hubs are a type of weld-on hub that is specifically designed for use with . QD bushings are a type of self-aligning bushing that is commonly used in conveyor systems. The QD Type weld-on hubs have a machined recess that is specifically designed to accept a QD bushing. This allows the hub to be easily and securely welded to the shaft of a conveyor pulley.

QD Type weld-on hubs are available in a variety of sizes to accommodate different shaft diameters and bushing sizes. They are also available in a variety of materials, including steel, aluminum, and stainless steel.

QD Type weld-on hubs are a versatile and reliable way to connect a conveyor pulley to a shaft. They are easy to install and maintain, and they provide a secure and long-lasting connection.

QD Type Weld-On Hubs Size Chart:

QD Type Weld-On Hubs Size Chart
QD Type Weld-On Hubs Size Chart
Catalog Number Dimensions (Inches) Type Drilling Weight Pounds
D L B P L1 BC
JA-A 2.25 9⁄16 1.375 1 21⁄32 1 0.4
 SH-A 3 13⁄16 1.871 2 1⁄4 1 1
SDS-A 3.5 3⁄4 2.188 2 11⁄16 1 1.25
 SK-A 4.375 1 1⁄4 2.813 3 5⁄16 1 3
SF-A 5.000 1 1⁄4 3.125 3 7⁄8 1 4
E-A 6.250 1 5⁄8 3.832 5 1 9
F-A 7.000 2 1⁄2 4.437 5 5⁄8 1 16
J-A 7.750 3 3⁄16 5.140 6 1⁄4 1 22.5
M-A 9.500 5 5⁄16 6.494 9.25 3 9⁄16 7 7⁄8 2 50
N-A 10.5 6 1⁄4 6.99 10.25 4 1⁄2 8 1⁄2 2 75
P-A 13 7 1⁄4 8.24 10 2 155
W-A 15.5 9 10.437 12 3⁄4 2 300
S-A 19.5 12 12.125 18.75 7.5 15 2 558

QD Type Weld-On Hubs Advantages:

QD Type weld-on hubs, also known as QD (Quick Disconnect) weld-on hubs, offer several advantages in certain applications. Here are some of the advantages of QD Type weld-on hubs:

1. Easy Installation: QD Type weld-on hubs are designed for easy and quick installation. They can be easily welded onto a shaft or component without the need for complex machining or additional fasteners. This makes them a convenient choice for applications where time and labor are a concern.

2. High Torque Transmission: QD Type weld-on hubs provide a strong and rigid connection between the shaft and the hub. The welding process ensures a secure bond, which allows for efficient torque transmission. This is particularly beneficial in high-torque applications where slip or movement between the hub and the shaft is undesirable.

3. Space Saving: QD Type weld-on hubs have a compact design, which helps to save space in applications where there are limitations on available mounting space. Their small footprint allows for a more streamlined and efficient system design.

4. Versatility: QD Type weld-on hubs are available in various sizes and configurations to accommodate different shaft diameters and applications. They can be used with a wide range of power transmission components, such as pulleys, sprockets, , and couplings. This versatility makes them suitable for diverse industrial applications.

QD Type Weld-On Hubs Advantages

QD Weld-On Hubs Vs Taper Bore Weld-On Hubs:

QD weld-on hubs and taper bore weld-on hubs are two types of weld-on hubs that are commonly used in rotating equipment. They both have their own advantages and disadvantages, and the best type of bushing hubs for a particular application will depend on the specific requirements of that application.

QD weld-on hubs are typically made of steel and have a flanged bore that accepts a QD bushing. QD bushings are very precise and can be easily aligned, making them a good choice for applications where there is a need for accurate alignment. QD weld-on hubs are also relatively easy to install and remove, which makes them a good choice for applications where the hub needs to be frequently replaced or serviced. However, QD weld-on hubs are not as strong as taper bore weld-on hubs, and they are not as well-suited for applications where there is a lot of vibration or shock.

Taper bore weld-on hubs are also made of steel, but they have a tapered bore that accepts taper lock bushing. Taper lock bushings are more secure than QD bushings, and they can withstand higher torque loads and vibration. This makes taper bore weld-on hubs a good choice for applications where there is a lot of vibration or shock. However, taper lock bushings are not as precise as QD bushings, and they can be more difficult to align. Tapered bore weld-on hubs are also more difficult to install and remove than QD weld-on hubs.

In general, QD weld-on hubs are a good choice for applications where there is a need for accurate alignment and ease of installation and removal. Taper bore weld-on hubs are a good choice for applications where there is a lot of vibration or shock and where high torque loads need to be sustained.

QD Weld-On Hubs Taper Bore Weld-On Hubs
QD Weld-On Hubs Taper Bore Weld-On Hubs
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