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Chiaravalli CH-G D 352 shaft mounted gear unit (chiaravalli.com product image)
Chiaravalli

CH-G D 352 Shaft Mounted Gear Unit (Ø35 mm hollow output shaft)

Cast Iron Gearboxes CH-G

CH-G D 352 parallel shaft mounted gear unit — Chiaravalli's cast iron series: two-stage, size 35, ratios 8.19:1 to 68.49:1. Hollow output shaft Ø35 mm H7 (D version; the M version has a solid shaft). Made to order: the catalogue lists every D/M version (B14 or B5 flange, KS shrink disc, LT rubber buffer, Ç fixing element, M solid shaft) as available on request — ask us for the lead time. Backstop device available on request (specify the free direction of rotation). PAM motor input for IEC 71, 80, 90, 100, 112 motors.

Supplied without motor. 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.

How to pick from the table: with a standard 4-pole motor (1400 r/min) the ratio sets the output speed — e.g. ratio 68.49:1 gives 20 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, 1.33 to 6.17 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.

Mounting position M1 is standard — specify yours when ordering (see the mounting-positions image). Cast iron housing.

Product Configuration

Select a row to add it to your quote

Code RatioMotor flangeMotorOutput speedOutput torqueService factorRadial load FR1Radial load FR2GRRadial load FR2 Weight
CH-G D352 68.49 PAM71 68.49:1 IEC 71 · 14 mm shaft 0.55 kW 20.4 r/min 248 Nm 2.42 1.2 kN 10 kN 4 kN 24.0 kg
CH-G D352 68.49 PAM80 68.49:1 IEC 80 · 19 mm shaft 1.1 kW 20.4 r/min 496 Nm 1.21 1.2 kN 10 kN 4 kN 25.0 kg
CH-G D352 68.49 PAM90 68.49:1 IEC 90 · 24 mm shaft 1.1 kW 20.4 r/min 496 Nm 1.21 1.2 kN 10 kN 4 kN 25.0 kg
CH-G D352 55.83 PAM71 55.83:1 IEC 71 · 14 mm shaft 0.55 kW 25.1 r/min 201 Nm 2.98 1.1 kN 10 kN 4 kN 24.0 kg
CH-G D352 55.83 PAM80 55.83:1 IEC 80 · 19 mm shaft 1.1 kW 25.1 r/min 402 Nm 1.49 1.1 kN 10 kN 4 kN 25.0 kg
CH-G D352 55.83 PAM90 55.83:1 IEC 90 · 24 mm shaft 1.5 kW 25.1 r/min 549 Nm 1.09 1.1 kN 10 kN 4 kN 25.0 kg
CH-G D352 54.36 PAM71 54.36:1 IEC 71 · 14 mm shaft 0.55 kW 25.8 r/min 196 Nm 3.05 1.1 kN 9.9 kN 4 kN 24.0 kg
CH-G D352 54.36 PAM80 54.36:1 IEC 80 · 19 mm shaft 1.1 kW 25.8 r/min 393 Nm 1.53 1.1 kN 9.9 kN 4 kN 25.0 kg
CH-G D352 54.36 PAM90 54.36:1 IEC 90 · 24 mm shaft 1.5 kW 25.8 r/min 536 Nm 1.12 1.1 kN 9.9 kN 4 kN 25.0 kg
CH-G D352 54.36 PAM100 54.36:1 IEC 100 · 28 mm shaft 2.2 kW 25.8 r/min 786 Nm 0.76 1.1 kN 9.9 kN 4 kN 29.0 kg
CH-G D352 54.36 PAM112 54.36:1 IEC 112 · 28 mm shaft 4 kW 25.8 r/min 1429 Nm 0.42 1.1 kN 9.9 kN 4 kN 29.0 kg
CH-G D352 46.79 PAM71 46.79:1 IEC 71 · 14 mm shaft 0.55 kW 29.9 r/min 169 Nm 3.55 1.1 kN 9.2 kN 3.7 kN 24.0 kg
CH-G D352 46.79 PAM80 46.79:1 IEC 80 · 19 mm shaft 1.1 kW 29.9 r/min 338 Nm 1.77 1.1 kN 9.2 kN 3.7 kN 25.0 kg
CH-G D352 46.79 PAM90 46.79:1 IEC 90 · 24 mm shaft 1.5 kW 29.9 r/min 462 Nm 1.3 1.1 kN 9.2 kN 3.7 kN 25.0 kg
CH-G D352 44.32 PAM71 44.32:1 IEC 71 · 14 mm shaft 0.55 kW 31.6 r/min 160 Nm 3.75 1.1 kN 9 kN 3.6 kN 24.0 kg
CH-G D352 44.32 PAM80 44.32:1 IEC 80 · 19 mm shaft 1.1 kW 31.6 r/min 320 Nm 1.87 1.1 kN 9 kN 3.6 kN 25.0 kg
CH-G D352 44.32 PAM90 44.32:1 IEC 90 · 24 mm shaft 1.5 kW 31.6 r/min 437 Nm 1.37 1.1 kN 9 kN 3.6 kN 25.0 kg
CH-G D352 44.32 PAM100 44.32:1 IEC 100 · 28 mm shaft 2.2 kW 31.6 r/min 641 Nm 0.94 1.1 kN 9 kN 3.6 kN 29.0 kg
CH-G D352 44.32 PAM112 44.32:1 IEC 112 · 28 mm shaft 4 kW 31.6 r/min 1165 Nm 0.52 1.1 kN 9 kN 3.6 kN 29.0 kg
CH-G D352 40 PAM71 40:1 IEC 71 · 14 mm shaft 0.55 kW 35 r/min 145 Nm 4.15 1 kN 8.6 kN 3.4 kN 24.0 kg
CH-G D352 40 PAM80 40:1 IEC 80 · 19 mm shaft 1.1 kW 35 r/min 289 Nm 2.07 1 kN 8.6 kN 3.4 kN 25.0 kg
CH-G D352 40 PAM90 40:1 IEC 90 · 24 mm shaft 2.2 kW 35 r/min 579 Nm 1.04 1 kN 8.6 kN 3.4 kN 25.0 kg
CH-G D352 40 PAM100 40:1 IEC 100 · 28 mm shaft 2.2 kW 35 r/min 579 Nm 1.04 1 kN 8.6 kN 3.4 kN 29.0 kg
CH-G D352 40 PAM112 40:1 IEC 112 · 28 mm shaft 4 kW 35 r/min 1053 Nm 0.57 1 kN 8.6 kN 3.4 kN 29.0 kg
CH-G D352 37.14 PAM71 37.14:1 IEC 71 · 14 mm shaft 0.55 kW 37.7 r/min 134 Nm 4.47 1 kN 8.3 kN 3.3 kN 24.0 kg
CH-G D352 37.14 PAM80 37.14:1 IEC 80 · 19 mm shaft 1.1 kW 37.7 r/min 268 Nm 2.24 1 kN 8.3 kN 3.3 kN 25.0 kg
CH-G D352 37.14 PAM90 37.14:1 IEC 90 · 24 mm shaft 2.2 kW 37.7 r/min 537 Nm 1.12 1 kN 8.3 kN 3.3 kN 25.0 kg
CH-G D352 37.14 PAM100 37.14:1 IEC 100 · 28 mm shaft 2.2 kW 37.7 r/min 537 Nm 1.12 1 kN 8.3 kN 3.3 kN 29.0 kg
CH-G D352 37.14 PAM112 37.14:1 IEC 112 · 28 mm shaft 4 kW 37.7 r/min 976 Nm 0.62 1 kN 8.3 kN 3.3 kN 29.0 kg
CH-G D352 34.5 PAM71 34.5:1 IEC 71 · 14 mm shaft 0.55 kW 40.6 r/min 125 Nm 4.33 1 kN 8.4 kN 3.3 kN 24.0 kg
CH-G D352 34.5 PAM80 34.5:1 IEC 80 · 19 mm shaft 1.1 kW 40.6 r/min 250 Nm 2.16 1 kN 8.4 kN 3.3 kN 25.0 kg
CH-G D352 34.5 PAM90 34.5:1 IEC 90 · 24 mm shaft 2.2 kW 40.6 r/min 499 Nm 1.08 1 kN 8.4 kN 3.3 kN 25.0 kg
CH-G D352 34.5 PAM100 34.5:1 IEC 100 · 28 mm shaft 2.2 kW 40.6 r/min 499 Nm 1.08 1 kN 8.4 kN 3.3 kN 29.0 kg
CH-G D352 34.5 PAM112 34.5:1 IEC 112 · 28 mm shaft 4 kW 40.6 r/min 908 Nm 0.6 1 kN 8.4 kN 3.3 kN 29.0 kg
CH-G D352 30.5 PAM71 30.5:1 IEC 71 · 14 mm shaft 0.55 kW 45.9 r/min 110 Nm 4.55 1 kN 8.1 kN 3.3 kN 24.0 kg
CH-G D352 30.5 PAM80 30.5:1 IEC 80 · 19 mm shaft 1.1 kW 45.9 r/min 220 Nm 2.27 1 kN 8.1 kN 3.3 kN 25.0 kg
CH-G D352 30.5 PAM90 30.5:1 IEC 90 · 24 mm shaft 2.2 kW 45.9 r/min 440 Nm 1.14 1 kN 8.1 kN 3.3 kN 25.0 kg
CH-G D352 30.5 PAM100 30.5:1 IEC 100 · 28 mm shaft 2.2 kW 45.9 r/min 440 Nm 1.14 1 kN 8.1 kN 3.3 kN 29.0 kg
CH-G D352 30.5 PAM112 30.5:1 IEC 112 · 28 mm shaft 4 kW 45.9 r/min 800 Nm 0.63 1 kN 8.1 kN 3.3 kN 29.0 kg
CH-G D352 28.13 PAM71 28.13:1 IEC 71 · 14 mm shaft 0.55 kW 49.8 r/min 102 Nm 4.73 1 kN 8 kN 3.2 kN 24.0 kg
CH-G D352 28.13 PAM80 28.13:1 IEC 80 · 19 mm shaft 1.1 kW 49.8 r/min 203 Nm 2.36 1 kN 8 kN 3.2 kN 25.0 kg
CH-G D352 28.13 PAM90 28.13:1 IEC 90 · 24 mm shaft 2.2 kW 49.8 r/min 406 Nm 1.18 1 kN 8 kN 3.2 kN 25.0 kg
CH-G D352 28.13 PAM100 28.13:1 IEC 100 · 28 mm shaft 2.2 kW 49.8 r/min 406 Nm 1.18 1 kN 8 kN 3.2 kN 29.0 kg
CH-G D352 28.13 PAM112 28.13:1 IEC 112 · 28 mm shaft 4 kW 49.8 r/min 738 Nm 0.65 1 kN 8 kN 3.2 kN 29.0 kg
CH-G D352 25.56 PAM71 25.56:1 IEC 71 · 14 mm shaft 0.55 kW 54.8 r/min 92 Nm 5.2 0.9 kN 7.6 kN 3.1 kN 24.0 kg
CH-G D352 25.56 PAM80 25.56:1 IEC 80 · 19 mm shaft 1.1 kW 54.8 r/min 185 Nm 2.6 0.9 kN 7.6 kN 3.1 kN 25.0 kg
CH-G D352 25.56 PAM90 25.56:1 IEC 90 · 24 mm shaft 2.2 kW 54.8 r/min 369 Nm 1.3 0.9 kN 7.6 kN 3.1 kN 25.0 kg
CH-G D352 25.56 PAM100 25.56:1 IEC 100 · 28 mm shaft 2.2 kW 54.8 r/min 369 Nm 1.3 0.9 kN 7.6 kN 3.1 kN 29.0 kg
CH-G D352 25.56 PAM112 25.56:1 IEC 112 · 28 mm shaft 4 kW 54.8 r/min 671 Nm 0.72 0.9 kN 7.6 kN 3.1 kN 29.0 kg
CH-G D352 23.57 PAM71 23.57:1 IEC 71 · 14 mm shaft 0.55 kW 59.4 r/min 85 Nm 5.53 0.9 kN 7.4 kN 3 kN 24.0 kg
CH-G D352 23.57 PAM80 23.57:1 IEC 80 · 19 mm shaft 1.1 kW 59.4 r/min 170 Nm 2.76 0.9 kN 7.4 kN 3 kN 25.0 kg
CH-G D352 23.57 PAM90 23.57:1 IEC 90 · 24 mm shaft 2.2 kW 59.4 r/min 340 Nm 1.38 0.9 kN 7.4 kN 3 kN 25.0 kg
CH-G D352 23.57 PAM100 23.57:1 IEC 100 · 28 mm shaft 3 kW 59.4 r/min 464 Nm 1.01 0.9 kN 7.4 kN 3 kN 29.0 kg
CH-G D352 23.57 PAM112 23.57:1 IEC 112 · 28 mm shaft 4 kW 59.4 r/min 618 Nm 0.76 0.9 kN 7.4 kN 3 kN 29.0 kg
CH-G D352 19.93 PAM80 19.93:1 IEC 80 · 19 mm shaft 1.1 kW 70.2 r/min 144 Nm 3.2 0.8 kN 6.9 kN 2.8 kN 25.0 kg
CH-G D352 19.93 PAM90 19.93:1 IEC 90 · 24 mm shaft 2.2 kW 70.2 r/min 288 Nm 1.6 0.8 kN 6.9 kN 2.8 kN 25.0 kg
CH-G D352 19.93 PAM100 19.93:1 IEC 100 · 28 mm shaft 3 kW 70.2 r/min 392 Nm 1.17 0.8 kN 6.9 kN 2.8 kN 29.0 kg
CH-G D352 19.93 PAM112 19.93:1 IEC 112 · 28 mm shaft 4 kW 70.2 r/min 523 Nm 0.88 0.8 kN 6.9 kN 2.8 kN 29.0 kg
CH-G D352 16.25 PAM80 16.25:1 IEC 80 · 19 mm shaft 1.1 kW 86.2 r/min 117 Nm 3.84 0.7 kN 6.3 kN 2.5 kN 25.0 kg
CH-G D352 16.25 PAM90 16.25:1 IEC 90 · 24 mm shaft 2.2 kW 86.2 r/min 235 Nm 1.92 0.7 kN 6.3 kN 2.5 kN 25.0 kg
CH-G D352 16.25 PAM100 16.25:1 IEC 100 · 28 mm shaft 3 kW 86.2 r/min 320 Nm 1.41 0.7 kN 6.3 kN 2.5 kN 29.0 kg
CH-G D352 16.25 PAM112 16.25:1 IEC 112 · 28 mm shaft 4 kW 86.2 r/min 427 Nm 1.06 0.7 kN 6.3 kN 2.5 kN 29.0 kg
CH-G D352 13.62 PAM80 13.62:1 IEC 80 · 19 mm shaft 1.1 kW 102.8 r/min 98 Nm 4.27 0.6 kN 6 kN 2.4 kN 25.0 kg
CH-G D352 13.62 PAM90 13.62:1 IEC 90 · 24 mm shaft 2.2 kW 102.8 r/min 197 Nm 2.14 0.6 kN 6 kN 2.4 kN 25.0 kg
CH-G D352 13.62 PAM100 13.62:1 IEC 100 · 28 mm shaft 3 kW 102.8 r/min 268 Nm 1.57 0.6 kN 6 kN 2.4 kN 29.0 kg
CH-G D352 13.62 PAM112 13.62:1 IEC 112 · 28 mm shaft 4 kW 102.8 r/min 357 Nm 1.18 0.6 kN 6 kN 2.4 kN 29.0 kg
CH-G D352 11.99 PAM80 11.99:1 IEC 80 · 19 mm shaft 1.1 kW 116.8 r/min 86 Nm 4.54 0.6 kN 5.8 kN 2.3 kN 25.0 kg
CH-G D352 11.99 PAM90 11.99:1 IEC 90 · 24 mm shaft 2.2 kW 116.8 r/min 172 Nm 2.27 0.6 kN 5.8 kN 2.3 kN 25.0 kg
CH-G D352 11.99 PAM100 11.99:1 IEC 100 · 28 mm shaft 3 kW 116.8 r/min 234 Nm 1.66 0.6 kN 5.8 kN 2.3 kN 29.0 kg
CH-G D352 11.99 PAM112 11.99:1 IEC 112 · 28 mm shaft 4 kW 116.8 r/min 313 Nm 1.25 0.6 kN 5.8 kN 2.3 kN 29.0 kg
CH-G D352 9.77 PAM80 9.77:1 IEC 80 · 19 mm shaft 1.1 kW 143.3 r/min 70 Nm 5.13 0.4 kN 5.5 kN 2.2 kN 25.0 kg
CH-G D352 9.77 PAM90 9.77:1 IEC 90 · 24 mm shaft 2.2 kW 143.3 r/min 140 Nm 2.56 0.4 kN 5.5 kN 2.2 kN 25.0 kg
CH-G D352 9.77 PAM100 9.77:1 IEC 100 · 28 mm shaft 3 kW 143.3 r/min 191 Nm 1.88 0.4 kN 5.5 kN 2.2 kN 29.0 kg
CH-G D352 9.77 PAM112 9.77:1 IEC 112 · 28 mm shaft 5.5 kW 143.3 r/min 351 Nm 1.03 0.4 kN 5.5 kN 2.2 kN 29.0 kg
CH-G D352 8.19 PAM80 8.19:1 IEC 80 · 19 mm shaft 1.1 kW 170.9 r/min 59 Nm 5.61 0.4 kN 5.2 kN 2.1 kN 25.0 kg
CH-G D352 8.19 PAM90 8.19:1 IEC 90 · 24 mm shaft 2.2 kW 170.9 r/min 118 Nm 2.8 0.4 kN 5.2 kN 2.1 kN 25.0 kg
CH-G D352 8.19 PAM100 8.19:1 IEC 100 · 28 mm shaft 3 kW 170.9 r/min 160 Nm 2.06 0.4 kN 5.2 kN 2.1 kN 29.0 kg
CH-G D352 8.19 PAM112 8.19:1 IEC 112 · 28 mm shaft 5.5 kW 170.9 r/min 294 Nm 1.12 0.4 kN 5.2 kN 2.1 kN 29.0 kg

Product Information

Motor pole count

All table figures assume a 4-pole motor (1400 r/min input) — the standard choice for most applications. A 2-pole motor (2800 r/min) doubles the output speed and a 6-pole motor (900 r/min) reduces it, and the power and torque ratings change with them — if you're running anything other than 4-pole, contact us and we'll size it for you.

Service factor — the number that decides how long your gearbox lives

It's the safety margin between what the gearbox can handle and what the motor asks of it: 1.0 means the gearbox works exactly at its rated limit (the catalogue's M2max); higher means reserve capacity — a cooler, quieter drive and a much longer life. As a guide: smooth, steady loads (light conveyors, centrifugal pumps) are fine near 1.0; moderate loads (heavier conveyors, packing machines) deserve 1.3 or more; heavy duty (mixers, bucket elevators, frequent starts, long running hours) should sit at 1.5–2.0.

If the service factor turns red after you pick a motor, that combination is below 1.0 — the motor can overload the gearbox in continuous use. It may be acceptable for light, intermittent duty, but for anything continuous choose a smaller motor, a different ratio, or the next gearbox size up — or ask us and we'll size it with you.

Radial loads

FR1 is the permissible radial load on the input shaft and FR2 on the output shaft (kN, applied at the shaft centre). Chain sprockets, belt pulleys and gears on the shaft all load it radially — check the figure against your drive, and ask us if your load is close to it. The catalogue also limits peak loads to 200 % of the nominal torque.

Need help specifying this product?

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