Belt sprockets 186 Belt sprockets 0.98/25 B S OD PD 551 0.98/25 B S OD PD Part Article-Nr. Z- Bore in PD in-mm OD in-mm S in-mm 1531 153150 14 0.71* 4.50/114,2 4.47/114,0 1.99/50,7 1531 153151Y 1 1531 153152Y 1¹⁄₄ 1531 153153Y 1⁷⁄₁₆ 1531 153154Y 1¹⁄₂ 1532 153250 16 0.71* 5.12/130,2 5.08/129,0 2.31/58,7 1532 153251Y 1 1532 153252Y 1¹⁄₄ 1532 153253Y 1⁷⁄₁₆ 1532 153254Y 1¹⁄₂ 1533 153350 18 0.71* 5.76/146,3 5.72/145,3 2.62/66,7 1533 153351Y 1 1533 153352Y 1¹⁄₄ 1533 152353Y 1⁷⁄₁₆ 1533 153354Y 1¹⁄₂ 1534 153450 20 0.71* 6.39/162,4 6.37/161,7 2.94/74,8 1534 153451Y 1 1534 153452Y 1¹⁄₄ 1534 153453Y 1⁷⁄₁₆ 1534 153454Y 1¹⁄₂ *Plain Bore Material: Polyamide Screws: Stainless steel Nuts: Zinc plated steel 551 Split drive sprocket, machined Split idler sprocket, machined Part Article-Nr. Z- Bore in PD in-mm OD in-mm S in-mm 1531 153101Y 14 1 4.50/114,2 4.47/113,5 1.99/50,7 1531 153102Y 1¹⁄₄ 1531 153103Y 1⁷⁄₁₆ 1531 153104Y 1¹⁄₂ 1531 153106Y 1 * 1 ■ 1531 153107Y 1¹⁄₄ * 1¹⁄₄ ■ 1531 153108Y 1¹⁄₂ * 1¹⁄₂ ■ 1532 153201Y 16 1 5.12/130,2 5.08/129,0 2.31/58,7 1532 153202Y 1¹⁄₄ 1532 153203Y 1⁷⁄₁₆ 1532 153204Y 1¹⁄₂ 1532 153206Y 1 * 1 ■ 1532 153207Y 1¹⁄₄ * 1¹⁄₄ ■ 1532 153208Y 1¹⁄₂ * 1¹⁄₂ ■ 1533 153301Y 18 1 5.76/146,3 5.72/145,3 2.62/66,7 1533 153302Y 1¹⁄₄ 1533 153303Y 1⁷⁄₁₆ 1533 153304Y 1¹⁄₂ 1533 153306Y 1 * 1 ■ 1533 153307Y 1¹⁄₄ * 1¹⁄₄ ■ 1533 153308Y 1¹⁄₂ * 1¹⁄₂ ■ 1534 153401Y 20 1 6.39/162,4 6.37/161,7 2.94/74,8 1534 153402Y 1¹⁄₄ 1534 153403Y 1⁷⁄₁₆ 1533 153404Y 1¹⁄₂ 1534 153406Y 1 * 1 ■ 1534 153407Y 1¹⁄₄ * 1¹⁄₄ ■ 1534 153408Y 1¹⁄₂ * 1¹⁄₂ ■