česky CS | english EN
belts and
transmission systems
Shopping basket is empty

QD Bushes (USA)

QD Bushing

QD Bushes (USA) are conical bushes standardized according to the US standard. They are used to fix pulleys, wheels, shaft couplings and other components to drive shafts.

They have a conical outer surface and a cylindrical inner bore including a standardized keyway. Once fixed, the component is capable of transmitting torque while being secured against axial displacement.


Items in this group are not part of the Eshop. Prices and delivery terms will be provided via email.

Please enter desired item, design and quantity, and you can send queries using the Inquiry form below.

Inquire Product

Inquiry / Question about the Product

If you submit the form, we will use your personal data (name, surname, email) to reply to your inquiry or question. All important information can be found in the Privacy Policy.

Bushes Fields of Use

The QD bushes are used in a variety of industrial applications.

They are used to fix standard and non-standard V-belt, timing and flat pulleys, sprockets and plate wheels, hubs for Taper bushes, shaft couplings and other components, if mounting according to American standards s is required.

Bushes Material

Steel C43.

Bushes Basic Profile

The bushes are manufactured in a standardized range from QT to W for holes from 3/8" to 9 1/4".

Bushes Code Description

SH 5/8

Code Part Description

Type of QD Bushing


Inner hole size in inch


The bushings have inch dimensions include threads.

Documents for Download

Pulleys and Clamping Bushes - Preview

Pulleys and Clamping Bushes

TYMA CZ Catalogue

Czech and English (PDF 3.64 MB)