Definition

Polyurethane Round Drive Belting is also named as Polyurethane Round Belt (PU round belt), it is a kind of belt made of polyurethane which is a circular cross-section belt designed to run in a pulley with a 60 degree V-groove.

Classification

Mainly sorted by technology craft of the belt surface, Polyurethane Round Drive Belting can be divided into two classifications.

  • Smooth Surface Round Belt
  • Rough Surface Round Belt

Smooth surface round belt is being made according the shine surface craftting technology.

Smooth surface round belt

Rough Surface round belt offers better frictional coefficient while working under the power transmission system. The belt looks like matt on the surface.

Rough Surface round belt

In contrast,normally the price of rough belt is 5-20% higher than the smooth belt.

Polyurethane belt size

The round belt is made in strip size, so the size can be calculated with diameter and length. The belt size is really customizable, but most polyurethane round belt suppliers will add the following size to their collection (mostly have stock):

size(mm)Packing (Meters/Roll)
φ1.2400
φ2400
φ2.5400
φ3400
φ3.5400
φ4200
φ4.5200
φ5200
φ5.5200
φ6200
φ6.5200
φ7100
φ8100
φ8.5100
φ9100
φ1050
φ1230
φ1530
φ1830
φ2030
φ2530

If you need to make your custom belt size, you must ask the polyurethane belt supplier for the MOQ (minimum order quantity) due to the changing of different production mold and machine settings for different sizes. If you are looking for the size above mentioned, you can pass this step. Polyurethane round belt suppliers are willing to supply you with small orders.

Belt package

The Polyurethane Round Drive Belting has two different packages according to belt size.

1, Size under or equal φ9 mm will be packed in a rubber plastic shaft to hole the belt, as the smaller belt diameter with less strength, it is not convenient in loading and unloading shipment.

Round belt with Rubber plastic shaft
Round belt with Rubber plastic shaft packing

2, Size above φ9mm will be rolled without shaft, and tile with platic rope.

Round PU belt rolled without shaft
Round belt rolled without shaft

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