RS PRO 21 Tooth Steel Taper Bush Sprocket 12 B-1 with 127.82mm Pitch Diameter 45mm Width 183-445

RS PRO 183-445 21 Tooth Steel Taper Bush Sprocket 12 B-1 is engineered for mechanical power transmission applications requiring precise chain engagement and reliable performance. Manufactured from high-quality steel, this sprocket offers exceptional wear resistance and dimensional stability under industrial operating conditions.

The taper bush bore design allows for easy installation and secure fitment on shafts, ensuring minimal slippage and optimal torque transfer. It is specifically designed for use with standard BS roller chains of the 12 B-1 type, following DIN 8187 and ISO/R 606 standards, which guarantee compatibility and interchangeability.

The sprocket includes 21 teeth with a pitch diameter of 127.82mm and a width of 45mm, sized to deliver efficient power transmission in conveyor systems, machinery drives, and manufacturing equipment.

Constructed from high-strength steel material. 21-tooth design for efficient mechanical drive. Taper bush bore for easy mounting and alignment. Compatible with 12 B-1 chain types according to BS standards. Conforms to DIN 8187 and ISO/R 606 for quality assurance.

Pitch diameter of 127.82mm for precise chain meshing. Sprocket width of 45mm for enhanced durability and load handling.

This sprocket is extensively used in industrial, manufacturing, and mechanical engineering setups where robust and standardized chain drives are critical for operational efficiency and equipment longevity.

Available with reliable brand assurance from RS PRO and made in China. Explore the Industrial Supplies category for a wide selection of Sprockets and related power transmission components on EnvMart.