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Help CenterSealed Lubricated Turntable Bearing 200mm OD Maintenance-Free 5000 Hours
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Welcome to Henan San Kuang Machinery Technology Co., Ltd. — a trusted manufacturer dedicated to delivering high-performance rotary solutions. Our Sealed Lubricated Turntable Bearing 200mm OD is engineered for applications demanding zero maintenance and reliable operation over extended periods. With a design life of 5,000 hours under normal conditions, this bearing eliminates the need for periodic re-lubrication, reducing downtime and operational costs. Whether you are building precision indexing tables or heavy-duty rotary platforms, this product offers a robust, sealed solution that keeps contaminants out and lubricant in.
Our bearing features a pre-greased, sealed design that ensures consistent performance from the moment of installation. The 200mm outer diameter makes it suitable for medium-sized rotary systems, while the integrated seal protects against dust, moisture, and debris. Maintenance-free operation means you can install it and forget it — no manual greasing, no inspection intervals, just smooth rotation for thousands of hours.
Key Features & Technical Specifications
- Sealed for Life: Factory-packed with high-quality lithium-based grease and sealed with contact or non-contact lip seals (optional) to prevent leakage and contamination.
- Maintenance-Free: No re-lubrication required throughout the 5,000-hour service life under normal load and speed conditions.
- High Load Capacity: Designed to support both axial and radial loads, with typical axial load capacity up to 50 kN (depending on internal design). Contact us for specific ratings.
- Precision & Smoothness: Manufactured with precision ground raceways and heat-treated steel balls/crossed rollers, achieving rotational accuracy classes P0, P6, or P5 as requested.
- Versatile Mounting: Available with through-holes, threaded holes, or flange mounting patterns — customizable to your interface requirements.
- Durable Material: Made from high-carbon chromium bearing steel (GCr15) or equivalent, with optional corrosion-resistant coatings.
- Temperature Range: Standard operating temperature -20°C to +80°C; extended range available upon request.
| Parameter | Value |
|---|---|
| Outer Diameter (OD) | 200 mm |
| Inner Diameter (ID) | Customizable (typical 120-160 mm, please specify) |
| Height | Customizable (typical 30-60 mm) |
| Seal Type | Contact or non-contact rubber seal (optional) |
| Service Life | 5,000 hours (maintenance-free) |
| Max Axial Load (dynamic) | Up to 50 kN (contact for exact rating) |
| Max Speed | Up to 50 rpm (depending on load and seal) |
| Operating Temperature | -20°C to +80°C (standard) |
| Precision Grade | P0, P6, P5 (available upon request) |
Customer Benefits
- Reduce Maintenance Costs: No need for lubricant replenishment or seal replacement during the 5,000-hour life — significantly lowers total cost of ownership.
- Increase Uptime: Sealed design prevents contamination, reducing unexpected failures and downtime.
- Simplify Installation: Pre-lubricated and sealed, ready to install without additional preparation.
- Customizable Design: We can adjust bore, bolt pattern, seal type, and material to match your specific application.
- Consistent Performance: Precision manufacturing ensures smooth torque and low vibration throughout the bearing's life.
Our bearing is ideal for use in rotary indexing tables, welding positioners, turntables, robot joints, medical equipment, and packaging machinery. The 200mm OD and maintenance-free feature make it a popular choice for OEMs looking to improve product reliability.
Trust & Expertise
As a manufacturer based in Luoyang, Henan, China, Henan San Kuang Machinery Technology Co., Ltd. operates a modern factory spanning 10,000–30,000 square meters with a skilled workforce of 51–100 employees. Since our establishment in 2022, we have achieved annual export values between US$2.5 Million and US$5 Million, serving markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our quality management system is certified to ISO9001, ISO9004, ISO14000, OHSAS18001, and other international standards (full list available on request). We ship through major ports including Shanghai, Lianyungang, Qingdao, and Tianjin, ensuring timely delivery worldwide.
We stand behind the durability of our sealed lubricated turntable bearing. Every unit undergoes rigorous testing for seal integrity, lubrication consistency, and rotational accuracy. Contact our engineering team to discuss your specific requirements — we can provide custom dimensions, special coatings, and tailored sealing solutions. Request a quote or sample today and experience the reliability of a truly maintenance-free bearing.
Frequently Asked Questions
-
Q: Is this bearing truly maintenance-free for 5,000 hours?
A: Yes, under normal operating conditions (load, speed, temperature within specification), the bearing is pre-greased and sealed, requiring no additional lubrication for 5,000 hours of operation. -
Q: Can I use this bearing in outdoor or wet environments?
A: The standard seal provides protection against dust and splashing water. For continuous immersion or corrosive environments, we recommend a stainless steel variant or additional protective coating — please consult us. -
Q: What is the maximum load capacity?
A: Axial load capacity depends on the internal design (ball or roller configuration). For a typical ball-type turntable bearing of this size, dynamic axial load rating is around 30–50 kN. Contact us with your load and speed data for a precise recommendation. -
Q: Can I order a custom inner diameter or bolt pattern?
A: Absolutely. We offer flexible customization for ID, height, mounting holes, and seal type. Please provide your drawing or specifications for a quotation. -
Q: What lubricant is used inside the bearing?
A: We use a lithium-based grease with anti-wear additives, suitable for general industrial applications. Food-grade grease or high-temperature grease is available upon request. -
Q: How is the seal designed? Is it replaceable?
A: The seal is integrated into the bearing and is not intended to be replaced. The design ensures the bearing remains sealed for its entire life. If you require a replaceable seal, please discuss with our engineers. -
Q: What is the expected rotational accuracy?
A: Standard precision is P0 (ISO 492). We can provide P6 or P5 grade for applications requiring higher runout accuracy. Please advise your requirement. -
Q: Do you offer samples for testing?
A: Yes, we can provide samples for evaluation. Lead time and sample cost depend on specification. Contact our sales team for details.
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