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| Brand | OT |
| Description |
Door Hanger Roller |
| Part No. | 85*20*6204 85x20x6204 |
| MOQ | 1PC |
| Transportion | TNT, UPS, DHL, Fedex, Air, Sea |
| Applicable | Elevator |
| Packages | Carton, Wooden case, Pallet etc |
| Delivery Time | Normally 2-3 working days after payment |
| Warranty | One year |
| Payment Method | Company Bank, Western union, alibaba, Paypal etc |
Pictures for Otis Elevator Wheel Door Hanger Roller 85*20*6204 85x20x6204

The elevator door hanging wheel includes a wheel hub, a bearing arranged on the inner side of the wheel hub, and a polyurethane outer ring sleeved on the outer side of the wheel hub. There are arc grooves and straight plates respectively, the arc convex surfaces are inserted into the arc grooves, and the straight plates are pressed on the lower plane of the hub.
Q1: What is the function of an elevator door hanger roller?
An elevator door hanger roller supports and guides the movement of door panels along the door track. Its design depends on the door suspension system.
Q2: Can elevator door hanger rollers with the same diameter be interchangeable?
Not necessarily. Rollers may differ in tread profile, width, bearing type, material, mounting structure, and load capacity.
Q3: What causes excessive wear on elevator door hanger rollers?
Possible causes include track misalignment, damaged bearings, abnormal loading, unsuitable material, or mechanical installation problems.
Q4: Can a door hanger roller be replaced separately from the hanger assembly?
Some door hanger assemblies allow individual roller replacement. Others may require replacement of a larger component, depending on the design and manufacturer requirements.
Q5: What specifications are needed for a replacement door hanger roller?
Please provide the original part number, roller diameter, width, bearing dimensions, mounting information, door system model, and photos.