1197681 | RR-410RS (Each) --- Durasoft Stud Mount Rollers - 101.6 mm 1/2-13 UNC - 12.7mm - 35.814 mm - Neoprene Rubber Roller 13.0x35.0mm 9 mm - 12 Self

9 mm - 12 Self Tapping Screws - Stainless Steel 304 (Similar to A2

Number of Teeth: 133

212 tooth - 1696x85 mm Timing 8

19 mm Internal Retaining Rings - Carbon Steel - Sold Per 5:

1197681 | RR-410RS (Each) --- Durasoft Stud Mount Rollers - 101.6 mm 1/2-13 UNC - 12.7mm - 35.814 mm - Neoprene Rubber Roller 13.0x35.0mm 9 mm - 12 Self4 inch Roller 101. 6 mm 1 2 13 UNC (12. 7mm) 35. 814 mm Durasoft Stud Mount Rollers Neoprene Rubber Sold per Each: Base Category: Rollers Durasoft Stud Mount Top Level Category: Rollers Durasoft Stud Mount Neoprene Product Details Diameter (A): 101. 60mm (101. 60mm is 4 in.) Neoprene Rubber Diameter (A): 101. 60mm (101. 60mm is 4 in.) Thread: 1 2 13 UNC (12. 7mm) Thread Length (C): 35. 814mm (35. 814mm is 1. 41 in.) Bearing Overall Width (D): 19.