Support ring roller for lower chord GB 650 Ø 89 mm, shaft Ø 20 mm, SW 15×13

Support ring roller for lower chord GB 650 Ø 89 mm, shaft Ø 20 mm, SW 15x13RL/EL/AL = 750/756/782 mm
fitted with 7 support rings each, Ø 89/133 x 30