Belt sprockets 185 Belt sprockets 550 Split drive sprocket, molded 550 0.98/25 OD PD 1.81/46 S B 0.98/25 1.81/46 B OD PD S Part Article-Nr. Z- Bore in PD in-mm OD in-mm S in-mm 1525 152501Y 14 1 4.49/114,1 4.49/114,0 2.07/52,7 1525 152502Y 1¹⁄₄ 1525 152503Y 1⁷⁄₁₆ 1525 152504Y 1¹⁄₂ 1525 152506Y 1 * 1 ■ 1525 152507Y 1¹⁄₄ * 1¹⁄₄ ■ 1525 152508Y 1¹⁄₂ * 1¹⁄₂ ■ 1526 152601Y 16 1 5.12/130,2 5.12/130,0 2.39/60,7 1526 152602Y 1¹⁄₄ 1526 152603Y 1⁷⁄₁₆ 1526 152604Y 1¹⁄₂ 1526 152606Y 1 * 1 ■ 1526 152607Y 1¹⁄₄ * 1¹⁄₄ ■ 1526 152608Y 1¹⁄₂ * 1¹⁄₂ ■ 1527 152701Y 18 1 5.76/146,3 5.75/146,0 2.71/68,8 1527 152702Y 1¹⁄₄ 1527 152703Y 1⁷⁄₁₆ 1527 152704Y 1¹⁄₂ 1527 152706Y 1 * 1 ■ 1527 152707Y 1¹⁄₄ * 1¹⁄₄ ■ 1527 152708Y 1¹⁄₂ * 1¹⁄₂ ■ 1528 152801Y 20 1 6.39/162,4 6.38/162,0 3.02/76,8 1528 152802Y 1¹⁄₄ 1528 152803Y 1⁷⁄₁₆ 1528 152804Y 1¹⁄₂ 1528 152806Y 1 * 1 ■ 1528 152807Y 1¹⁄₄ * 1¹⁄₄ ■ 1528 152808Y 1¹⁄₂ * 1¹⁄₂ ■ Part Article-Nr. Z- Bore in PD in-mm OD in-mm S in-mm 1525 152551Y 14 1 4.49/114,1 4.49/114,0 2.07/52,7 1525 152552Y 1¹⁄₄ 1525 152553Y 1⁷⁄₁₆ 1525 152554Y 1¹⁄₂ 1526 152651Y 16 1 5.12/130,2 5.12/130,0 2.39/60,7 1526 152652Y 1¹⁄₄ 1526 152653Y 1⁷⁄₁₆ 1526 152654Y 1¹⁄₂ 1527 152751Y 18 1 5.76/146,3 5.75/146,0 2.71/68,8 1527 152752Y 1¹⁄₄ 1527 152753Y 1⁷⁄₁₆ 1527 152754Y 1¹⁄₂ 1528 152851Y 20 1 6.39/162,4 6.38/162,0 3.02/76,8 1528 152852Y 1¹⁄₄ 1528 152853Y 1⁷⁄₁₆ 1528 152854Y 1¹⁄₂ Material: Polyamide reinforced Screws: Stainless steel Nuts: Zinc plated steel Split idler sprocket, molded