1170962 | RR-136RS (Each) --- Solid Stud Mount Rollers - 50.8x23.37 mm - 1/2-13 UNC - 12.7mm - Coloured Urethane - Urethane Roller M304x3861 53mm) 50x20 mm Lobe Knobs

53mm) 50x20 mm Lobe Knobs - Plated Steel - Sold Per Each:

05x15 mm Timing Idler Pulleys - Aluminium Alloy Clear Anodised - Sold Per Each:

CHTBN2040H3M90

Bore (d): 43

1170962 | RR-136RS (Each) --- Solid Stud Mount Rollers - 50.8x23.37 mm - 1/2-13 UNC - 12.7mm - Coloured Urethane - Urethane Roller M304x3861 53mm) 50x20 mm Lobe Knobs2 inch Roller 50. 8x23. 37 mm 1 2 13 UNC (12. 7mm) Solid Stud Mount Rollers Urethane Sold per Each: Base Category: Rollers Solid Stud Mount Top Level Category: Rollers Solid Stud Mount Coloured Urethane Product Details Diameter (A): 50. 80mm (50. 80mm is 2 in.) Urethane Diameter (A): 50. 80mm (50. 80mm is 2 in.) Roller Width (B): 23. 37mm (23. 37mm is 0. 92 in.) Thread: 1 2 13 UNC (12. 7mm) Thread Length (C): 27. 940mm Bearing Overall Width (D): 9.