Gear units WE RECOMMEND THE USE OF CONTINUOUS GREASE OR OIL LUBRICATION FOR ALL RACK & PINION SYSTEMS – LIFE TIME CALCULATIONS AVAILABLE ON REQUEST Worms and Worm Wheels worm 7 .0 FAX: 01827 253390 www.apex-trans.co.uk TEL: 01827 253340 sales@apex-trans.co.uk MOD Face Width (B) Length (L) Tooth Number PCD Ø D BORE Ø H6 Ø C K1 K2 Order Code 2 28 30 20 42.441 46.441 20 30 6 12.8 123-220-020 25 53.052 57.052 20 30 6 12.8 123-220-025 25 36 8 15.8 123-220-525 28 59.418 63.418 35 48 10 20.8 123-320-528 30 63.662 67.662 25 36 8 15.8 123-220-530 30 45 8 20.8 123-320-030 32 67.906 71.906 20 30 6 12.8 123-220-032 25 36 8 15.8 123-220-532 35 48 10 20.8 123-320-532 36 76.394 80.394 35 48 10 20.8 123-320-536 40 84.883 88.883 35 48 10 20.8 123-320-540 3 28 30 20 63.662 69.662 30 45 8 18.3 123-330-020 35 48 10 20.8 123-330-520 22 70.028 76.028 25 36 8 15.8 123-230-522 30 45 8 18.3 123-330-022 35 48 10 20.8 123-330-522 25 79.578 85.578 25 36 8 15.8 123-230-525 30 45 8 18.3 123-330-025 35 48 10 20.8 123-330-525 4 40 50 19 80.639 88.639 35 48 10 20.8 123-340-515 20 84.883 92.883 35 48 10 20.8 123-340-520 45 58 14 26.3 123-440-520 22 93.371 101.371 35 52 10 20.8 123-340-522 45 65 14 26.3 123-440-522 25 106.103 114.103 35 48 10 20.8 123-340-525 45 58 14 26.3 123-440-525 Design Parameter Value Helix Angle L/H 19° 31’ 42” Pressure Angle 20° Tooth Quality Q7 e25 Tooth Finish Case Hard + Ground Material 16MnCr5 (1.7131) Hardness 58~62 HRC 19 Case hardened gears are supplied with bore and key size specified below and cannot be modified Keyway aligned with tooth root within +/- 0.5mm HUB B L D K2 K1 PCD BORE A B L C D 0.05 A 0.01 A D E F C 1 2 3 4 B A 3 2 1 5 C D 4 6 7 8 A B 125-330-020 WEIGHT: A3 SHEET 1 OF 1 SCALE:1:5 DWG NO. TITLE: REVISION DO NOT SCALE DRAWING MATERIAL: DATE SIGNATURE NAME DEBUR AND BREAK SHARP EDGES FINISH: UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: Q.A MFG APPV'D CHK'D DRAWN Precision Helical Pinions Case Hardened – Without Hub HUB B L D A B L C D 0.05 A 0.01 A 3 4 3 5 C D 4 6 7 8 A B 125-330-020 WEIGHT: A3 SHEET 1 OF 1 SCALE:1:5 DWG NO. TITLE: REVISION DO NOT SCALE DRAWING MATERIAL: DATE SIGNATURE NAME DEBUR AND BREAK SHARP EDGES FINISH: UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: Q.A MFG APPV'D CHK'D DRAWN