Professional O-Ring and Oil Seal Manufacturer, Sealing Solution Supplier Since 2008.
Industrial Split Oil Seal with Stainless Steel Spring, Metric Imperial Sizes
Category：Split Oil Seal
Temperature: -40℃ ~+ 200℃
Material: NBR, FKM, PU, FFKM
Color: Brown (customizable according to customer requirements)
Hardness: 60A ~ 95A Shore
Product description：
Split Oil Seal is a high-performance split-type sealing component, mainly classified as an industrial oil seal and also applicable to commercial vehicles and special vehicles. It is precision-engineered with high-quality materials (NBR, FKM, PU, FFKM) to solve the pain points of difficult installation and replacement of traditional solid oil seals.
5.0
design customization
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Please fill out the form below to request a quote or to request more information about us. please be as detailed as possible in your message, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
1. Structure and Principle
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Composition: Rubber main body (NBR/FKM/PU) + split metal skeleton + spring (Z-shaped/wave-shaped, openable).
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Split Design: Usually two halves, with beveled or stepped joints, and positioning buckles/pins to prevent misalignment.
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Sealing Principle: The lip forms an oil film with the shaft to prevent leakage; the spring provides continuous clamping force to compensate for shaft eccentricity/vibration.
2. Core Advantages (Compared with Traditional Integral Oil Seals)
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Shaft-free Disassembly Installation: No need to disassemble the coupling or bearing housing, directly wrap around the shaft on site.
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Quick Replacement: Installation takes only a few minutes; the traditional method may require several days of downtime.
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Cost Reduction and Efficiency Improvement: Reduce labor, hoisting and production stop losses, suitable for large/heavy equipment.
3. Common Materials and Working Conditions
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NBR (Nitrile Rubber): -40℃~+100℃, ≤8 m/s, suitable for general lubricating oil/hydraulic oil.
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FKM (Fluoro Rubber): -20℃~+200℃, ≤20 m/s, suitable for high temperature, oil resistance and chemical resistance.
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PU (Polyurethane): Wear-resistant, suitable for dust/low-speed and heavy-load conditions.
4. Typical Application Scenarios
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Metallurgy: Continuous caster idlers, sintering crushers, rolling mill bearing housings.
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Wind Power: Gearbox input/output shafts (no need to disassemble 100-ton transmission chain).
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Papermaking: Dryer bearings, press rolls (steam/wet environment).
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Mining: Ball mill, crusher main bearings (dust/heavy load).
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Marine: Propeller shafts, steering gears (quick replacement in dock).
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General: Reducers, blowers, cranes, air compressors.
5. Brief Installation Steps
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Clean the shaft surface, remove the old oil seal, burrs and rust.
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Stretch the split oil seal, wrap it around the shaft, and align the cut.
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Fasten the positioning buckles/pins to ensure no misalignment.
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Push it into the seal cavity, check that the lip is not turned over and the spring is in place.
6. Model Examples (for Reference)
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DS866B: NBR, ≤100℃, ≤8 m/s.
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DS866F: FKM, ≤200℃, ≤20 m/s.
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R-Split/VR-Split: Full rubber + stainless steel spring, metric/imperial.
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