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 45 MOD Face Width (B) Tooth Number PCD Ø D BORE Ø H6 HUB Ø h8 Length (L) K1 K2 Order Code 3 28 28 84 90 22 36 56 6 13.8 115-230-228 25 44 60 8 15.8 115-230-528 30 50 60 8 18.3 115-330-028 32 55 65 10 19.3 115-330-228 35 55 65 10 20.8 115-330-528 40 62 65 12 23.3 115-430-028 45 68 65 14 26.3 115-430-528 32 96 102 32 55 65 10 19.3 115-330-232 40 62 65 12 23.3 115-430-032 36 108 114 45 68 65 14 26.3 115-430-536 4 40 20 80 88 32 55 75 10 19.3 115-340-220 35 55 75 10 20.8 115-340-520 40 62 75 12 23.3 115-440-020 22 88 96 45 68 75 14 26.3 115-440-522 25 100 108 32 55 75 10 19.3 115-340-225 35 55 75 10 20.8 115-340-525 40 62 75 12 23.3 115-440-025 55 80 80 16 31.8 115-540-525 28 112 120 45 68 75 14 26.3 115-440-528 32 128 136 55 80 80 16 31.8 115-540-532 75 110 100 20 42.9 115-740-532 40 160 168 75 110 100 20 42.9 115-740-540 Design Parameter Value Helix Angle STRAIGHT 0° Pressure Angle 20° Tooth Quality Q7 e25 Tooth Finish Case Hard + Ground Material 16MnCr5 (1.7131) Hardness 58~62 HRC HUB B L D K2 K1 PCD BORE A C B L 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 115-330-022 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 Case hardened gears are supplied with bore and key size specified below and cannot be modified Keyway aligned with tooth root within +/- 0.5mm Case Hardened – With Hub Precision Straight Pinions