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Dustproof Bulking Handling Conveyor Support Roller for Stone Crusher

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  • GR700
  • RONWIN
  • HS Code: 8431390000

Character & Advantage of GR700 Bulking Handling Roller

  1. Mainly applied as belt supporting roller of bulk in mining or dock, also could be applied in hard environment of timber processing or outdoor and rainy condition.

  2. Adopt labyrinth sealed structure, form a complex, curing and matched labyrinth channel between inside and outside sealing parts, well water proof and dust proof.

  3. Meet the requirement of MT821 about the supporting roller.

  4. Temperature range -10℃ to +40℃.



Usually Mounting Method of GR700 Bulking Handling Roller

Flat Milling 

flat milling

1. Originated from the mining idler, the round end of roller is machined flat to fix into the frame groove. Assembly and disassembly is very easy.

2. Roller radial direction is not bound, so it is suitable for supporting roller of belt conveyor, but not suitable for sprocket roller, poly-vee roller or other drive roller.

3. Creating other mounting way of end hole fixed with the frame, completely delete the possibility of shaft roating, mainly applied in adjustable accumulation roller.


Diagram of GR700 Bulking Handling Roller

GR700 Bulking Handling Conveyor Support Roller


Dimensions & Alternative Surface Treatment of GR700 Bulking Handling Roller

dia.×Tshaft dia.flat millingb×hmaterialSurface Treatment
Φ60×2Φ15E=W+1012×10steelzinc-plated, paint

or powder coating

Φ76×3Φ20E=W+1014×6steel
Φ89×3/4Φ20E=W+1014×6steel
Φ108×3.5Φ25E=W+1018×8steel
Φ133×3.5Φ25E=W+1018×8steel
Φ159×4Φ30E=W+1022×8steel



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Longwei Automatic is a medium-sized company which is involved in manufacturing of conveyors, rollers and other conveyor parts for over 20 years.  The new manufacturing facility covers an area of about 30,000 square meters
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