The RHI&A SN212 is a robust grey cast iron pillow block housing designed to accommodate various self-aligning ball bearings and spherical roller bearings, typically for a 55mm shaft when used with an H212 adapter sleeve. This durable housing provides reliable support for rotating shafts in agricultural, construction, and industrial machinery. It features standard dimensions for easy interchangeability, including an overall length of 240mm, width of 100mm, and height of 130mm, with bolt hole spacing of 180mm. It is a direct equivalent to standard SN212 series housings from major bearing manufacturers.