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| Customization: | Available |
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| Material: | Rubber |
| Standard: | Standard, Nonstandard, Standard and Non-Standard |
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structure type | structural features | advantage | occasion applicable |
Inner skeleton oil seal | The interior is embedded with a metal frame and the exterior is fully covered with rubber | It has good rigidity, precise positioning, is not prone to deformation, and is easy to install | Conventional rotating shaft, standard box hole position |
Outer skeleton oil seal | The exterior is a metal frame, with rubber sealing lips inside | The outer diameter fits closely and has strong pressure-bearing capacity | High pressure and significant vibration working conditions |
Skeletonless oil seal (soft oil seal) | No metal support, all-rubber structure | It has good flexibility, is compatible with non-standard holes, and is easy to install | Low speed, low pressure, large-sized shaft end |
two-lip seal | Main sealing lip, secondary dust-proof lip, with tightening spring | It features dual oil-sealing and dust-proofing, with excellent sealing performance | Outdoor equipment that is dusty, damp and prone to impurities |
Single-lip oil seal | Only the main sealing lip, with a simple structure | Low cost and easy installation | Clean the environment, indoor equipment, low-pressure sealing |


