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Help CenterOEM Custom Non-standard Size Ball Roller Bearing Wholesale
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Henan San Kuang Machinery Technology Co., Ltd. has been a trusted manufacturer in the bearing industry since 2014, operating from a 10,000-30,000 sqm facility with a dedicated team of 51-100 professionals. Our OEM Custom Non-standard Size Ball Roller Bearing Wholesale service is designed to meet the exact specifications of your machinery, whether you need a unique dimension, special material, or a specific load rating. With an annual export value ranging from US$2.5 Million to US$5 Million, we serve clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East, delivering precision-engineered bearings that enhance equipment performance and longevity.
Our non-standard ball roller bearings are the ideal solution for applications where off-the-shelf bearings fail. By combining advanced manufacturing processes with rigorous quality control, we ensure each bearing meets your exact tolerances and performance requirements. Whether you need a single prototype or bulk wholesale orders, our flexible OEM capabilities allow us to produce bearings in any size, from miniature to large-diameter, with various cage materials and seal options.
Key Features & Technical Specifications
- Custom Dimensions: We accept drawings or samples to produce bearings with any bore diameter, outer diameter, width, and radial/axial clearance.
- Material Selection: Choose from chrome steel (GCr15), stainless steel (440C, 304), or carbon steel. Special coatings like black oxide or manganese phosphate are available upon request.
- Precision Levels: Available in standard (P0), high (P6), and precision (P5, P4) classes to suit different speed and accuracy needs.
- Sealing & Lubrication: Options include open, metal shield (Z, ZZ), rubber seal (RS, 2RS), and custom grease or oil lubrication.
- Load Ratings: Engineered to provide optimal static and dynamic load capacities based on your application requirements.
- Wholesale Quantity: Minimum order quantity (MOQ) is flexible; we support both small trial orders and large-volume production.
- Quick Lead Time: Typical production cycle is 15-30 working days for non-standard sizes, depending on complexity.
Typical Product Parameters (Example)
| Parameter | Value Range | Customization |
| Bore Diameter (d) | 10 mm – 500 mm | Any non-standard size |
| Outer Diameter (D) | 30 mm – 800 mm | Custom per drawing |
| Width (B) | 10 mm – 200 mm | Flexible |
| Dynamic Load Rating (Cr) | Up to 500 kN | Optimized per application |
| Static Load Rating (Cor) | Up to 600 kN | Customizable |
| Limiting Speed | 2,000 – 8,000 rpm (open) | Depends on seal/lube |
| Weight | 0.1 kg – 50 kg | Varies by size |
Why Choose Our OEM Custom Non-standard Ball Roller Bearings?
- Perfect Fit: Eliminate modification costs by getting bearings that match your housing and shaft exactly.
- Enhanced Durability: Our heat treatment and grinding processes ensure consistent hardness and smooth rotation, reducing wear.
- Cost-Effective Wholesale: As a factory-direct supplier, we offer competitive pricing for bulk orders without compromising quality.
- Rigorous Quality Control: Each bearing undergoes dimensional inspection, noise testing, and load testing before shipment.
- Global Shipping: We ship from major Chinese ports including Shanghai, Lianyungang, Qingdao, and Tianjin, with reliable logistics partners.
- Compliance & Standards: Our production follows industry standards and we hold multiple management system certifications (ISO9001, ISO14001, TS16949, etc.), ensuring consistent quality.
Application Areas
Our non-standard ball roller bearings are widely used in:
- Agricultural machinery (tractors, harvesters)
- Conveyor systems and material handling equipment
- Industrial fans and pumps
- Textile machinery
- Automotive suspension and steering systems
- Robotics and automation equipment
- Mining and construction equipment
- Food processing machinery (with special seals and materials)
With over 8 years of export experience, Henan San Kuang Machinery Technology Co., Ltd. has supplied millions of bearings to satisfied clients worldwide. Our factory employs advanced CNC grinding machines, automatic assembly lines, and state-of-the-art testing equipment to ensure each product meets your exact specifications. We offer free technical consultation to help you select the right material, tolerance, and lubricant for your application.
Trust is built on reliability. Our company is certified with ISO9001, ISO14001, OHSAS18001, SA8000, and TS16969 among others, demonstrating our commitment to quality, environment, and social responsibility. We have shipped to over 30 countries across all major continents, with repeat orders from clients in the automotive, agricultural, and industrial sectors. We invite you to request a quote or send your drawings for a custom bearing solution that fits your exact needs. Contact us today to discuss your project – we guarantee a professional response within 24 hours.
Frequently Asked Questions (FAQ)
A: Our MOQ is typically 100 pieces for standard non-standard sizes, but we can accommodate lower quantities for trial orders or prototypes. Please contact us with your specific requirements.
A: Lead time varies by complexity. For simple dimension changes, production takes about 15-20 working days. For complex materials or special tolerances, allow 25-30 working days. We can expedite for urgent orders.
A: Absolutely. We accept original bearings or detailed drawings with dimensions, tolerances, and load requirements. Our engineers will review and provide a customized solution.
A: Common options include GCr15 (chrome steel), 440C stainless steel, and carbon steel. For special environments, we can apply coatings like black oxide, phosphate, or PTFE. Ceramic balls are also available upon request.
A: We follow a strict quality management system certified under ISO9001. Each bearing is inspected for dimensions (using CNC measuring instruments), noise (vibration tester), and load capacity. We provide inspection reports with each shipment.
A: Yes, we offer a 12-month warranty from the date of shipment against manufacturing defects. Any quality issues will be resolved promptly, including replacement or refund.
A: Of course. Provide details about your application (load, speed, environment, mounting space), and our technical team will recommend suitable sizes and materials.
A: Standard export packaging: individual bearings wrapped in anti-rust paper, then packed in cardboard tubes or plastic bags, loaded into wooden crates or cartons and palletized. Special packaging (e.g., in oil, with custom labels) is available upon request.
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