Metric QD Bushing Size Chart

Posted on June 20, 2025 in FAQ, Size Chart

As global trade continues to expand, metric shafts and components are becoming increasingly popular across industries for their compatibility with international equipment standards. This trend has driven demand for reliable, precision-fit metric QD bushings that simplify installation and improve performance in power transmission systems. In this guide, we break down the full range of metric QD bushing sizes—from compact JA bushings to heavy-duty J series—providing key dimensions and bore size options to help you find the perfect fit for your application.

Metric JA Bushing Size Chart

The JA Metric QD Bushing Size Chart outlines key specifications for bushings available in bore sizes ranging from 15mm to 28mm. Designed for secure, efficient mounting, each bushing is made from high-strength ductile iron and includes three Grade 5 cap screws (10 x 1) for dependable installation. The bushing features a 1-inch length through bore (L) and a 2-inch outer diameter, offering a compact yet robust solution for various mechanical applications.

Please note: Unlike other QD bushings, the JA series does not include a set screw over the keyway due to their small size.

Metric SH Bushing Size Chart

The SH Metric QD Bushing Size Chart provides detailed specifications for bushings available in bore sizes ranging from 15mm to 38mm. Made from durable ductile iron, each SH bushing features a 1.3125-inch length through bore (L) and a 2.687-inch outer diameter, ensuring a strong, compact connection for various industrial applications. The bushing includes three Grade 5 cap screws (1/4 x 1 3/8) for secure mounting, along with a 1/4″ set screw positioned over the keyway for added holding strength.

Metric SDS Bushing Size Chart

The SDS Metric QD Bushing Size Chart offers essential sizing and technical details for bushings available in bore sizes ranging from 15mm to 42mm. Constructed from rugged ductile iron for strength and longevity, each SDS bushing features a 1.3125-inch length through bore (L) and a 3.125-inch outer diameter, making it ideal for demanding mechanical applications. The design includes three Grade 5 cap screws (1/4 x 1 3/8) to ensure a secure fit, along with a 1/4″ set screw positioned over the keyway for added shaft retention.

Metric SD Bushing Size Chart

Metric SK Bushing Size Chart

The SK Metric QD Bushing Size Chart outlines critical dimensions and specifications for bushings available in bore sizes ranging from 14mm to 60mm, making them suitable for a wide range of industrial power transmission applications. Manufactured from tough ductile iron, each SK bushing features a 1.8125-inch length through bore (L) and a 3.875-inch outer diameter for a strong, reliable connection. The design includes three Grade 5 cap screws (5/16 x 2) for secure installation, along with a 5/16″ set screw over the keyway to provide additional holding power on the shaft.

Metric SF Bushing Size Chart

The SF Metric QD Bushing Size Chart provides detailed information for bushings available in bore sizes from 28mm to 65mm, offering a durable and versatile solution for a wide range of mechanical and power transmission applications. Each SF bushing is constructed from high-strength ductile iron and features a 2.0625-inch length through bore (L) with a 4.625-inch outer diameter, ensuring a secure and stable fit. The bushing includes three Grade 5 cap screws (3/8 x 2) for dependable mounting, along with a 3/8″ set screw over the keyway to enhance shaft retention and prevent slippage.

Metric E Bushing Size Chart

The E Metric QD Bushing Size Chart presents essential specifications for bushings available in bore sizes from 35mm to 80mm, engineered for heavy-duty performance in demanding industrial applications. Made from durable ductile iron, each E bushing features a 2.75-inch length through bore (L) and a 6-inch outer diameter, providing a robust and stable interface between shafts and mounted components. The bushing includes three Grade 5 cap screws (1/2 x 2 3/4) for secure attachment and a 3/8″ set screw over the keyway to ensure added shaft retention.

Metric F Bushing Size Chart

The F Metric QD Bushing Size Chart provides detailed specifications for bushings available in bore sizes from 42mm to 90mm, ideal for high-torque and heavy-duty power transmission applications. Each F bushing is manufactured from robust ductile iron and features a 3.75-inch length through bore (L) with a 6.625-inch outer diameter, ensuring a strong and reliable connection between shaft and hub. The design includes three Grade 5 cap screws (9/16 x 3 5/8) for secure mounting and a 1/2″ set screw positioned over the keyway to enhance shaft retention.

Metric J Bushing Size Chart

The J Metric QD Bushing Size Chart offers key specifications for bushings available in bore sizes ranging from 50mm to 100mm, designed for heavy-duty applications requiring maximum strength and durability. Constructed from high-quality ductile iron, each J bushing features a 3.75-inch length through bore (L) and a 6.625-inch outer diameter, providing a robust interface for high-torque shaft-to-hub connections. The bushing includes three Grade 5 cap screws (5/8 x 4 1/2) for secure installation, along with a 5/8″ set screw over the keyway to ensure superior shaft retention.

Click Here to read our frequently asked questions about QD bushings.