metric Please note: Dimensions in SI-system (metric) Please note: All dimensions are in metric system (inches not yet available)     51-40 4250/2-06920 1 51-40 4500/2-06925 2 51-40 4750/2-06930 3 51-40 4900/2-06935 4 Dimensions and weight Da di Di da G [mm] [mm] [mm] [mm] [kg] 4536 4026 4200 4306 3469 4776 4276 4450 4556 3673 5016 4526 4700 4805 3796 5176 4676 4850 4956 4000 Mounting holes La Li n [mm] [mm] [ - ] 4362 4098 68 4612 4348 72 4852 4598 76 5012 4748 80 Gearing and tooth forces do m z2 x2 fz norm fz max [mm] [mm] [ - ] [ - ] [kN] [kN] 4480 20 224 +0.50 253 450 4720 20 236 +0.50 253 450 4960 20 248 +0.50 253 450 5120 20 256 +0.50 253 450 Load ratings   C0 rad C0 ax T C0 ax H   C rad C ax T C ax H [kN] [kN] [kN]   [kN] [kN] [kN] 1403 44728 7507   442 7415 840 1486 47360 7955   451 7649 858 1570 49990 8402   460 7877 876 1620 51569 8670   466 8007 886 Limiting load diagram for ‘compressive’ loads