Home Page 1– 13 Precision Component d* Bore H7 D No. of Teeth P.D. D1 Hub Dia. MATERIAL:  AISI 4135 Steel, Tooth Surface          Induction Hardened To HRC 50...55 Catalog Number S15S20M014P2000G S10S20M014P2012G S15S20M015P2000G S10S20M015P2012G S15S20M016P2000G S10S20M016P2012G S15S20M018P2000G S10S20M018P2015G S10S20M020P2015G S10S20M024P2015G S10S20M025P2015G S10S20M028P2015G S10S20M030P2015G S10S20M032P2020G S10S20M036P2020G S10S20M040P2020G S10S20M045P2020G S10S20M048P2020G S10S20M050P2020G S10S20M056P2020G S10S20M060P2025G S10S20M064P2025G S10S20M070P2025G S10S20M072P2025G S10S20M075P2025G S10S20M080P2025G S10S20M090P2025G S10S20M100P2030G 20 24 25 28 30 32 36 40 45 48 50 56 60 64 70 72 75 80 90 100 40 48 50 56 60 64 72 80 90 96 100 112 120 128 140 144 150 160 180 200 44 52 54 60 64 68 76 84 94 100 104 116 124 132 144 148 154 164 184 204 14 15 16 18 28 30 32 36 32 34 36 40 40 50 80 12 (h7)^† 22 12 (h7)^† 22 15 (h7)^† 25 15 (h7)^† 30 30 *Bore Tolerance:         12 & 15 mm  + 0.018 20, 25 & 30 mm  + 0.021 †Shaft Tolerance:  12 mm  - 0.018 1 2 1 2 1 2 1 2 2 2 Fig. No. Ground Spur Gears - Module 2 20° PRESSURE ANGLE 20 mm FACE ISO CLASS 5 15 20 25 — 12 — 12 — 12 — 15 15 20 25 30 60 70 80 P.D. D D1 G TG G 60 25 20 G P.D. 20 20 40 D TG G d G D1 D1 Fig. 1 Fig. 2