Mshower - I haven't had any luck with finding one suitable yet but did find the following manufacturer in China. who looked through all his products for me when I gave him all the dimensions. Maybe of use to you.
Foshan Lifaxiang Bathroom Fittings Factory
Tel :0086-757-81801902...
Can anyone please help me find a replacement roller/support for my single sliding door on a quadrant shower enclosure. I have no idea of the manufacturer/model. The shower base is a 900x900 quadrant. I have attached photos of the unit I need to replace.
Thanks J