Mining Spiral Rubber Disc Q235 Return Roller Conveyor

Brand Name:QINYI
Certification:CE / ISO / FDA
Model Number:Conveyor Return Idler Roller
Minimum Order Quantity:100 Pieces
Delivery Time:10~15 days
Payment Terms:L/C, D/A, MoneyGram, D/P
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Location: Qingdao Hongkong China
Address: No. 30 Hongkong Middle Road, Qingdao City, China
Supplier`s last login times: within 38 hours
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Product Details

Mining Spiral Rubber Return Rubber Disc For Conveyor Roller


Main Features of SPD Return Rubber Disc Roller


1.The bearing housing and steel tube are assembled and welded with a concentric automatic, welding machine.

2.Cuting of the steel tube and bearing is performed with the use of a digital aute device/machine/equipment.

3.Fabrication of the roller is effected by an auto device and 100% tested for its concentricity.

4.Roller and supporting components/materials are manufactured to ISO/BS/JIS/DIN//CEMA standard.


Product raw material


1PipeHigh precision ERW special pipe with small out of roundness. Material Q235 equal to Europe S235JR
2ShaftHigh precision cold-drawn round bar, Material 45# equal to DIN C45.
3BearingDeep groove ball bearing with clearance C3. Double Seal, Quality Grade P5Z3
4Bearing HouseCold drawn steel plate, material 08AL equal to DIN ST12/14
5Inner SealLip type seal, Material Nylon.
6Labyrinth SealMain Seal System, Material is Nylon.
7Lubricating Grease#2 Long lasting lubricating grease, working condition -40°c to 180°c
8Surface TreatmentElectrostatic Powder Coating


The main performance parameters of the roller:


(1) Running resistance coefficient ≤0.03

(2) Outer circle radial runout≤0.7D (roller diameter)

(3) Water inflow ≤5g (water spray test according to national standards)

(4) Steel pipe wall thickness: when the roller diameter is 159mm and the bearing is 6308, the steel pipe wall thickness is not less than 4.5mm; when the roller diameter is 194mm and the bearing is 6308, the steel pipe wall thickness is not less than 6.3mm

(5) Bearing seat wall thickness: When the roller diameter is 159mm and the bearing is 6308, the bearing seat wall thickness is not less than 4mm; when the roller diameter is 194mm and the bearing is 6308, the bearing seat wall thickness is not less than 5mm

(6) Axial bearing capacity of roller ≥20000N

(7) Axial displacement ≤0.1mm


China Mining Spiral Rubber Disc Q235 Return Roller Conveyor supplier

Mining Spiral Rubber Disc Q235 Return Roller Conveyor

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