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Rulmeca operates a Service centre fully dedicated to the repair and assembly of Motorized Pulleys
In terms of construction, the 139 series is similar to the 119 series, sharing all the basic characteristics. They are particularly suitable for application in the field of logistics, specifically for pallet transportation but also applicable for the transportation of packages. The steel tube is available with a diameter of 80 mm or 89 mm. The 20-mm shaft is drilled and threaded as standard, designed for screw fitting. This ensures simple assembly and contributes to the overall rigidity of the structure. One end of the roller has an end cap in polyamide, while the driven end has a pinion welded directly to the tube. Both ends have 2RZ rigid radial shielded ball bearings, with permanent lubrification, protected by polypropylene caps.
Use is normally consented in temperatures of between -5° to +80°C; for use in other temperatures, verification of the overall conditions of use is necessary.
Materials
Tube: steel (unfinished or galvanised), stainless steel.
End caps: PA (RAL 9005) and PP (RAL 1023), steel, 6204-2RZ and 6205-2RZ series ball bearings.
Shaft: steel.
Other materials and/or finishes are available on request.
The security provided by efficient material handling components capable of guaranteeing reliability and durability of conveyors.
Material handling components for conveyors capable of guaranteeing high performance and the full functionality of the system.
An application that demands high performance requires a wide and high-quality range of material handling components for conveyors.
Material handling components that guarantee rapid, fluid and precise transportation.
Plus
With pinion for heavy loads.
With end caps in polyamide and pinion in steel.
Capacity of up to 500 kg.
Optional
For the rollers diameter 76 and 89 mm, aluminium flanges are supplied separately in a special kit, composed by 2 elements and complete with zinc plated fixing bolts to assemble them in different ways. Attention: the screws must be tightened by torque wrench = 13 Nm
Although not special, information on this design is given. The rough or zinc plated steel tube “N” or “Z and J” rollers with “D” values as per table, can be covered with a soft, elastic and smooth surface (hardness 73 ShA) grey colour (RAL 9006) PVC (Polyvinylchloride) plastic tube, particularly resistant to chemical agents. It is normally used to protect the roller surfaces and mostly to avoid scratching painted, enamelled, smooth, etc. load, and in some cases to increase friction. The PVC lagging is simply fitted on the tube with excellent coupling thanks to elastic tightening. Application temperatures ranging from -10°C to +50°C.
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