{"product_id":"chiaravalli-ch-g-a-502-helical-gear-unit","title":"Chiaravalli CH-G A 502 Helical Gear Unit (Ø50 mm output shaft)","description":"\u003cp\u003eCH-G A 502 helical in-line gear unit — Chiaravalli's cast iron series: two-stage, size 50, ratios 5.5:1 to 48.77:1. \u003cstrong\u003eThis is the A … \/ PAM version — foot mounting with the PAM motor input — the version the catalogue lists as available from stock.\u003c\/strong\u003e Solid keyed output shaft Ø50 k6. The flange-mounted F and foot-flange AF versions, the W input-shaft and IEC-coupling input versions and the FA–FD output flanges are made to order — ask us. PAM motor input for IEC 80, 90, 100, 112, 132, 160 motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupplied without motor.\u003c\/strong\u003e You are choosing the gear unit with its PAM motor adapter — ask us to quote a suitable motor together with it if you'd like both.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to pick from the table:\u003c\/strong\u003e with a standard 4-pole motor (1400 r\/min) the ratio sets the output speed — e.g. ratio 48.77:1 gives 29 r\/min at the output shaft. Each row shows the catalogue's maximum output torque (M2max at service factor 1) and the largest 4-pole motor that reaches it (P1max, 4.81 to 18.65 kW on this size). Choose the row whose output speed and torque match your application, then the flange that matches your motor (the frame size is on the motor's nameplate — only the frames the catalogue lists for that ratio are offered). The Motor column lists the 4-pole motors that fit that flange — pick yours and the output torque and service factor update to match. FR1 \/ FR2 are the permissible radial loads on the input and output shafts. More in the Selection Guide tab below.\u003c\/p\u003e\u003cp\u003eMounting position M1 is standard — specify yours when ordering (see the mounting-positions image). 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