Customization: | Available |
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Material: | HDPE |
Surface Treatment: | Lathe |
Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Main features:
1. Solid design, most suitable for heavy lifting.
2. The bearing housing and steel tube are assembled and welded with a concentric automatic,welding machine.
3. Cutting of the steel tube and bearing is performed with the use of a digital auto device/ machina/equipment.
4. The bearing end is constructed to ensure that the roller shaft and bearing can be firmly connected.
5. Fabrication of the roller is effected by an auto device and 100% tested for its concentricity.
6. Roller and supporting components/materials are manufactured to DIN/AFNOR/FEM/ASTM/CEMA standard.
7. The casing is manufactured with highly composite, anti corrosive alloy.
8. The roller is lubricated and free from maintenance.
9. Working life expectancy is up to 30,000 hours or more, depending on usage.
10. Vacuum sealed with: inner-seal, 3 slot labyrinth seal, V shape rubber ring and eccentrically autocleaning body which has withstood anti water, salt, snuff, sandstone and dust proof experiments.
raw materials and specifications
Axle(shaft) | cold-draw steel ST ST37DINI7100,E24 AFNOR NFA 35501. |
Rod | 2 0.2 25.2 30.2 40.2 lSO hll accuracy fine polished to 20,25, 30, 40 levels on the universal sealed bearing packaging area. The precision attained isISO h6. |
Steel roll | welded with DlN2394 standard, components are ST37 to fit DlN17100 standard. |
Bearing housing | cold press working fit lSO M7 accuracy deep press steel with raw material fit DIN1623-1624 standard. |
Inner seal circle | lip-lining sealed, component is made of NYLON6 (ISO Pa6). |
Bearing | trough type, deep groove ball bearing (Wind age level C3) DlN 6263 series. |
Labyrinth seal circle | 3 troughs, component is made of NYLON6 (ISO Pa6). |
Housing/cover | deep press steel fit DlNl623-1624 standard. |
Outer seal circle | sliding rubber ring with V shape, components are nitrosation rubbers which are long lasting, wear resistant, and antioxidant. |
Function of protecting cover | used to protect the roller from axial vibration, made by copper alloy which is anticorrosive. |
Lubricating oil | to ensure the roller bearing is lubricated continuously, using 2, 3 grade long-lasting lithium grease. |
Technical Parameters | ||||
Standard Diameter | Length scope ( mm) | Bearings Type (Min~Max) |
Idler's Shell Wall Thickness | |
mm | Inch | |||
63.5 | 2 1/2 | 150~3500 | 204 | 3.0mm~3.75mm |
76 | 3 | 150~3500 | 204 205 | 3.0mm~4.0mm |
89 | 3 1/3 | 150~3500 | 204 205 | 3.0mm~4.0mm |
102 | 4 | 150~3500 | 204 205 305 | 3.5mm~4.0mm |
108 | 4 1/4 | 150~3500 | 204 205 305 306 | 3.5mm~4.0mm |
114 | 4 1/2 | 150~3500 | 205 206 305 306 | 3.5mm~4.5mm |
127 | 5 | 150~3500 | 204 205 305 306 | 3.5mm~4.5mm |
133 | 5 1/4 | 150~3500 | 205 206 207 305 306 | 3.5mm~4.5mm |
140 | 5 1/2 | 150~3500 | 205 206 207 305 306 | 3.5mm~4.5mm |
152 | 6 | 150~3500 | 205 206 207 305 306 307 308 | 4.0mm~4.5mm |
159 | 6 1/4 | 150~3500 | 205 206 207 305 306 307 308 | 4.0mm~4.5mm |
165 | 6 1/2 | 150~3500 | 207 305 306 307 308 | 4.5mm~6.0mm |
177.8 | 7 | 150~3500 | 207 306 307 308 309 | 4.5mm~6.0mm |
190.7 | 7 1/2 | 150~3500 | 207 306 307 308 309 | 4.5mm~6.0mm |
194 | 7 5/8 | 150~3500 | 207 307 308 309 310 | 4.5mm~6.0mm |
219 | 8 5/8 | 150~3500 | 308 309 310 | 4.5mm~6.0mm |
Typical applicatios:
Mining---coal, iron ore,gold,Coal process plants,Coal fired power stations,Import/export terminals,Steel plants,Fertilizer plants,Cement plants,Gravel plants,Quarry.
1) Can we get your free samples?
Yes, it is ok. Our Samples are free for the customers. But the freight for express is on buyer's account.
1)How long to get the sample?
After you pay the freight charge and send us confirmed files, the samples will be ready for delivery in 3-7 days. The samples will be sent to you via express and arrive in 3~5 days.
3) Can we combine many items size in one container in my first order?
Yes, it is ok. But the quantity of each ordered item should reach the MOQ for trail order.
4) What is the normal lead time ?
A. For inventory products, we will send goods to you within 7-10 work days after we receive the deposit.
B. For mass production, the delivery time is 25-28 days after we received the deposit
C.For OEM products, the delivery time is 30-35 work days after we receive the deposit.
5) What is your payment term?
T/T 30% advanced before production,70% balance payment before delivery
6) What is your shipping way?
We will help you to choose the best shipping way according to your detail requirements.
By sea, by air, or by express delivery, etc.
7)How is your package?
Normally packed with wooden cases and cartons, other ways can be done according you.
8)How about your quality control?
Our professional QC will check the quality during the production and do thequality test before shipment.