G-PT parts are made to standard sizes, so they fit the bushes, shafts and drives already in your plant.
G-PT 2517 taper bush: one pulley, many shaft sizes.
Pulleys to ISO 4183 and DIN 2211V-belt pulleys SPZ, SPA, SPB and SPC: 852 catalogue sizes, 1–10 grooves. Size tables
Bores to ISO E8Taper bushes 1008 to 5050 in GG25 cast iron, metric bores 9–125 mm.
Standard taper-bush sizesThe same pulley fits different shaft diameters: change the bush, not the pulley.
Every size listedEvery catalogue size is in the size tables, and the datasheet with full dimensions for any size is one message away.
2, Strength
It carries the load
Load ratings and materials come from the G-PT catalogues, size by size.
31.5–3,150 NmNominal torque, HRC 70 to HRC 280
Up to 4°Angular misalignment, tyre couplings F40 to F250
GG25Cast iron taper bushes
C45Steel jaw-coupling hubs
G-PT HRC 150B: two hubs and the flexible element.
Fail-safe HRCIf the element wears out, the jaws stay engaged.
Built for standard motorsHRC couplings are designed for machinery driven by standard IEC electric motors.
Tyre couplings take misalignmentUp to 4° angular and 1.1–6.6 mm parallel misalignment across the range.
Spacer couplings for pumpsMove either shaft without moving the motor or the machine, for example a pump rotor.
Ratings for every sizeEach size's ratings are on its datasheet, on request.
3, Assurance
Assured at every step
A known maker, a check on every batch, a mark you can verify, and a datasheet for every size.
Made to G-PT specificationManufactured to G-PT specification by an established power-transmission manufacturer: the same factory behind the world's biggest brands.
Checked batch by batchEvery batch is checked against G-PT's catalogue dimensions.
Marked G-PTEvery part carries the G-PT mark and its size code. Check yours
A datasheet for procurementAsk for the datasheet of any size by WhatsApp or email.
Supported in EgyptSupplied and supported in Egypt by GICO, with a quotation the same working day.
The G-PT mark and size code, stamped on a tyre coupling flange.
Need it in writing for procurement? Ask for the datasheet.
Get a quote
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