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GP300S Cone Crusher Main Shaft Assembly Alloy Steel Forged OEM

GP300S Cone Crusher Main Shaft Assembly Alloy Steel Forged OEM

ONA Casting supplies GP Series main shaft assemblies forged from alloy steel. Each unit is 100 % dynamic-balanced and shipped complete with shaft, sleeves, key, seals and bolts. Fast global delivery, 1-year warranty, material and dimensional report included.

  • Item No :

    GP100, GP100S, GP11F, GP200, GP200S, GP220, GP300, GP500S, GP550
  • Part Number :

    ONA-916186, ONA-916187, ONA-916231, ONA-932956, ONA-MM0310111, ONA-916173, ONA-MM0310133, ONA-936406, ONA-MM0528601, ONA-MM0260020, ONA-MM0262457, ONA-916197, ONA-MM0301263, ONA-MM0301237, ONA-MM0262456
  • Payment :

    TT
  • Product Origin :

    China
  • Color :

    Customized
  • Shipping Port :

    Shanghai
  • Lead Time :

    30 Days
  • Order(MOQ) :

    1

The main shaft assembly is the core load-bearing and motion transmission component of the GP series cone crusher, equivalent to the "heart" and "skeleton" of the entire machine. It transmits the rotational motion of the eccentric assembly to the crushing head assembly, generating the rotational motion required for crushing, while simultaneously bearing all crushing forces and transmitting them to the frame.

 

 

The gp crusher replacement parts main shaft and the head are installed together through interference fit. The bottom is equipped with a dust seal ring (made of phenolic cloth resin) and a lower thrust bearing, and the top is equipped with a protection bushing (made of alloy steel) suit to Metso cone crusher. At the top, a protection bushing (made of high-strength alloy steel) provides the bearing interface between the main shaft and the eccentric bushing, preventing direct metal-to-metal contact and maintaining proper oil film clearance.

 

 

Eg: GP300S ONA-MM0300546 Mainshaft Assembly

cone crusher metso

 

Position Part Number Description Quantity Weight. KG
1
ONA-188321
Head 1 1464.64
2
ONA-292715
Main Shaft 1 1409.76
4
ONA-315928
Slide Ring 1 64
5
ONA-315929
Protection Bushing 1 40.37
7
ONA-446209
Seal 1 4.49
9
ONA-406300555200
Washer 8 0.01
12
ONA-7001530417
Screw Hex 8 0.2
14
ONA-704602303400
Plug Plastic 4 0.01

 

Production and Maintenance

  • Drawing Review & Planning: Review drawings to confirm dimensional tolerances and fit requirements. Develop the machining plan.
  • Forging: Form the raw material into the main shaft blank through forging, preparing the foundation for subsequent machining.
  • Heat Treatment: Apply heat treatment to eliminate internal stress and enhance the overall performance and reliability of the shaft.
  • Precision Machining: erform precision machining on all critical mating surfaces to ensure dimensional accuracy and surface quality.
  • Assembly: Assemble the head, protection bushing, seals, and other components into a complete assembly.
  • Quality Inspection: Conduct dimensional inspection and non-destructive testing to verify compliance with design requirements. Inspection reports are provided with each unit.

 

 

ONA Mainshaft Assembly

ONA provides comprehensive replacement solutions for the entire range of spindle assemblies and related transmission components for major cone crusher brands, suit to Metso GP/HP/MP seriessuit to Sandvik CH/CS series, and standard models such as suit to Symons. All assemblies are manufactured strictly according to OEM original drawings and process standards, with key mating dimensions completely consistent with original parts, enabling seamless replacement.


ONA-9445-8317 ONA-9005-0107 ONA-452.6149-901
ONA-TC6821100 ONA-TC6871001 ONA-TC36

 

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