ISO 9001 Dry Self-Lubricating Bearings are specifically designed for use in mining machinery. These bearings feature a unique dry lubrication system that eliminates the need for traditional lubrication methods, greatly reducing maintenance costs and downtime. The bearings are made of high-quality materials that can withstand the extreme conditions and heavy loads encountered in mining operations.
POM bushings are also a key component in mining machinery. Made from polyoxymethylene (POM), these bushings offer excellent wear resistance and durability, ensuring smooth and reliable operation of the machinery. The bushings are precision-engineered to fit snugly into the machinery, providing a secure and stable connection.
By combining ISO 9001 Dry Self-Lubricating Bearings with POM bushings, mining machinery can achieve optimal performance and reliability, while reducing maintenance costs and downtime. These components are an essential part of any mining operation that demands high-performance and durability.
Pom Bearing Manufacturers & Suppliers - Self-lubricating Bearings
Oil-free self-lubricating bearings give you good partners for cost savings
The product is made of high quality low carbon steel with a sintered spherical bronze layer in the middle and a surface rolled modified polyformaldehyde (POM).Under the condition of boundary lubrication, it can be used for a long time without oiling, and there are oil pits on the surface of the wear-resistant layer.
The products are widely used in gold processing machinery, mining machinery, water conservancy machinery, automobile, construction machinery, agricultural machinery, steel rolling industry and so on.
We choose low carbon steel as the base of the bearing
| Q235 |
| C(%) | Si(%) | Mn(%) | S(%) | P(%) | Ni+Cu |
| ≤0.22 | ≤0.35% | Mn≤1.4 | ≤0.050 | ≤0.001 | ≤0.045 |
A brief introduction to polyformaldehyde (POM) materials
1. With high mechanical strength and rigidity;
2. The Maximum fatigue strength;
3. Good environmental resistance and organic solvent resistance;
4. Strong resistance to sustained impact;
5. Widely used temperature ranges from -40℃ to 120℃.
6. Good electrical properties.
7. Good recovery.
8. With their own lubrication, good wear to hold;
9. Excellent dime
Melting point of 175 ° C
Density 1.42 g/mL at 25 °C
Flash point 158 °F storage condition 2-8°C
Self-lubricating oil-free composite bearing structure composition
You can choose the Sintered copper powder CuSn6.5P0.1(Lead-free, environmentally friendly)
| CuSn6.5P0.1 |
| Cu | Sn | P | other |
| rest | 6.0-7.0 | 0.1-0.25 | ≤ 0.5 |
Wrapper Bronze Bearing characteristics
| Performance indicators | Date |
| Maximum load | Static load | 250N/mm² |
| Dynamic load | 150N/mm² |
| Maximum linear velocity V | Grease lubrication | 2.5m/s |
| High PV value | Grease lubrication | 2.8N/mm²・m/s |
| Coefficient of friction | Grease lubrication | 0.05~0.25 |
| The use of temperature |
-40℃～+130℃ |
| Coefficient of thermal conductivity | 4W/m・K |
| Coefficient of thermal expansion | 12×10-6/K |
You can choose the structure of your POM oil-free self-lubricating bearings
You can customize various POM oil-free self-lubricating bearings from us, and design related drawings
Here you can choose the bearing size of the type part, more sizes you can refer to PDF.
| h8 | H7 | d | D | T | h- | 30 | 40 | 50 | 60 | 65 | 70 |
| 65 | 0
-0.046 | 70 | +0.030
0 | 65 | 70 | 2.460
2.415 | 8 | 6530 | 6540 | 6550 | 6060 | | 6570 |
| 70 | " | 75 | " | 70 | 75 | " | " | | 7040 | 7050 | | 7065 | 7070 |
| 75 | " | 80 | " | 75 | 80 | " | " | | 7540 | | 7560 | | |
| 80 | " | 85 | +0.035
0 | 80 | 85 | 2.450
2.385 | 9.5 | | | | 8060 | | |
| 85 | 0
-0.054 | 90 | " | 85 | 90 | " | " | 8530 | 8540 | | 8560 | | |
| 90 | " | 95 | " | 90 | 95 | " | " | | 9040 | | 9060 | | |
| 95 | " | 100 | " | 95 | 100 | " | " | | | | 9560 | | |
| 100 | " | 105 | " | 100 | 105 | " | " | | | 10050 | 10060 | | |
| 105 | " | 110 | " | 105 | 110 | " | " | | | | 10560 | | |
| 110 | " | 115 | " | 110 | 115 | " | " | | | | 11060 | | |
| 115 | " | 120 | " | 115 | 120 | " | " | | | | | | 11570 |
| 120 | " | 125 | +0.040
0 | 120 | 125 | " | " | | | | 12060 | | |
| 125 | 0
-0.063 | 130 | " | 125 | 130 | " | " | | | | 12560 | | |
| 130 | " | 135 | " | 130 | 135 | " | " | | | 13050 | 13060 | | |
| 135 | " | 140 | " | 135 | 140 | " | " | | | 13550 | 13560 | | |
| 140 | " | 145 | " | 140 | 145 | " | " | | | | 14060 | | |
| 150 | " | 155 | " | 150 | 155 | " | " | | | 15050 | 15060 | | |
| 160 | " | 165 | " | 160 | 165 | " | " | | | 16050 | 16060 | | |
| 170 | " | 175 | " | 170 | 175 | " | " | | | 17050 | 17060 | | |
| 180 | " | 185 | +0.046
0 | 180 | 185 | " | " | | | 18050 | 18060 | | |
| 190 | 0
-0.072 | 195 | " | 190 | 195 | " | " | | | 19050 | 19060 | | |
| 200 | " | 205 | " | 200 | 205 | " | " | | | 20050 | 20060 | | |
| 220 | " | 225 | " | 220 | 225 | " | " | | | 22050 | 22060 | | |
| 240 | " | 245 | " | 240 | 245 | " | " | | | 24050 | 24060 | | |
| 250 | " | 255 | +0.052
0 | 250 | 255 | " | " | | | 25050 | 25060 | | |
| 260 | 0
-0.081 | 265 | " | 260 | 265 | " | " | | | 26050 | 26060 | | |
| 280 | " | 285 | " | 280 | 285 | " | " | | | 28050 | 28060 | | |
| 300 | " | 305 | " | 300 | 305 | | | | | 30050 | 30060 | | |
Click here for PDF for more product information
Wrapped Composite Sliding Bearing .pdf
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ISO 9001 Dry Self Lubricating Bearings , Pom Bushing For Mining Machinery Images
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