Sill Bearing
Sill Bearing
Explore our catalog of high-performance bearings engineered for demanding industrial operations, direct from our certified manufacturing facility.
The 6000 ZZ deep groove ball bearing serves as a foundational component in modern mechanical engineering. Measuring 10mm in bore diameter, 26mm in outer diameter, and 8mm in width, its standard geometry hides a highly engineered radial layout designed to optimize load-carrying capacities while minimizing frictional coefficients. The suffix "ZZ" designates dual-shielding steel plates, providing a physical barrier against solid particulates while retaining high-grade lubricant grease throughout its service life cycle.
Today, as global automation levels accelerate, the requirement for bearings featuring high rotational precision, extreme reliability under thermal fluctuations, and low vibration becomes critical. Global procurement teams prioritize suppliers that combine mechanical durability with optimized logistics infrastructure to maintain high equipment uptime.
We leverage advanced automated grinding lines, integrated heat-treatment, and premium GCr15 bearing steel to produce 6000 ZZ bearings that exceed standards. Our design minimizes radial internal play, ensuring consistency and system stability.
The operational lifespan of a deep groove ball bearing is largely determined by its material purity and the precision of its heat treatment. At Sill Bearing Factory, we utilize high-carbon chromium bearing steel (GCr15), characterized by exceptional wear resistance, high fatigue strength, and dimensional stability. Our heat-treatment process creates a uniform martensitic structure, optimizing the balance between hardness (reaching 60-64 HRC) and toughness to prevent premature fatigue spalling.
| Characteristic / Parameter | Specification & Metrics | Industrial Importance |
|---|---|---|
| Raw Material Grade | GCr15 / AISI 52100 / EN31 / SUJ2 | Maximizes fatigue life and wear resistance. |
| Hardness Profile | HRC 60 - 64 | Prevents plastic deformation under high radial loads. |
| Bore Size (d) | 10 mm (Tolerance Class: P0 / P6) | Ensures compatibility with standard shaft designs. |
| Outer Diameter (D) | 26 mm | Standard housing alignment and easy replacement. |
| Shield Type | Double Metal Shields (ZZ) | Guards against debris and prevents grease leakage. |
| Limiting Speed (Grease) | Up to 30,000 RPM | Optimized for high-speed micro-motors. |
Sill Bearing Factory is situated within the Hangzhou Bay New Zone, a modern manufacturing and logistical corridor. This location provides proximity to the deepwater ports of Shanghai and Ningbo, enabling optimized container shipping schedules, efficient customs clearance, and reduced transit times to global destinations. In modern manufacturing, supply chain resilience is a key competitive advantage. Our strategic positioning helps protect global procurement teams from transport disruptions.
To support growing market demand, our new facility under Anhui TOPB IMP. & EXP. Co., Ltd. is currently under development. Once operational, it will increase our annual production capacity by $20 million, allowing us to support larger order volumes and maintain stable lead times.
We implement a strict five-stage inspection process to ensure quality: Raw Material Initial Inspection, Operator Self-Inspection, Inspector Full-Inspection, Chief Inspector Sampling, and Final Ex-Factory Product Auditing. This helps us target a 100% acceptance rate.
Through our dedicated SILL and NETB brands, we supply bearings engineered for low operating noise, minimal vibration, and long-term durability. We also provide full OEM and private-label customization services to meet specific market standards.
Precision 6000 ZZ deep groove ball bearings are utilized across multiple industries, providing reliable support for high-speed shafts and rotating parts. Below are some of the primary application areas:
In household appliances like vacuum cleaners, washing machines, and air conditioning units, quiet operation is a key product requirement. SILL bearings are engineered for low vibration, helping manufacturers reduce operational noise and abnormal sounds to improve end-user satisfaction.
Micro-motors require bearings with minimal starting friction and stable performance at high rotational speeds. Our 6000 ZZ bearings feature optimized raceway geometry to help maintain low torque values and reduce heat generation, supporting energy-efficient motor designs.
Modern vehicles contain numerous auxiliary motors, alternators, and actuators that require reliable, long-term performance. SILL bearings are engineered to withstand ambient heat and vibration, contributing to overall component durability in automotive systems.
From rehabilitation equipment to high-speed medical tools, bearings must deliver clean, smooth operation. The dual-metal shielding of the 6000 ZZ design helps prevent grease migration and contamination, supporting clean-room and sanitary standards.
Operating in environments with airborne dust, soil, and fiber debris requires robust protection. The steel shields of the 6000 ZZ configuration act as a protective barrier, reducing maintenance intervals and helping to prevent premature equipment failure.
We design and manufacture diverse bearing designs configured to handle specific radial, axial, and combined loading conditions.
Versatile, self-retaining bearings with deep groove raceways. Ideal for high-speed applications, offering low friction, reduced noise, and minimal maintenance needs. Available in single-row, double-row, shielded, and sealed variants.
Featuring inner and outer rings with tapered raceways. Designed to support heavy combined radial and axial thrust loads. Available in single-row, double-row, and multi-row configurations to match industrial demands.
Optimized to carry large unidirectional axial thrust loads. The design features a specific contact angle, where a larger angle increases the axial load capacity, supporting precise shaft guidance.
Find answers to common technical and logistical questions regarding 6000 ZZ deep groove bearings.
The main difference lies in the sealing mechanism. The 6000 ZZ uses non-contact metal shields that offer low rotational torque and higher speed ratings, making them suitable for high-speed, lower-friction applications. The 6000 2RS features contact rubber seals that provide better protection against fine dust and liquids but generate more friction, which limits their maximum operating speed.
GCr15 steel provides an optimal balance of hardness (typically heat-treated to 60-64 HRC), wear resistance, and fatigue strength. This composition helps the bearing maintain dimensional stability and resist subsurface fatigue under heavy radial loads, contributing to a longer service life.
P0 (Normal Class) and P6 (Higher Precision Class) define the allowable dimensional and running accuracy tolerances, such as bore diameter variation, outer diameter variation, and radial runout. P6 bearings are manufactured to tighter tolerances, which helps reduce vibration and heat generation in high-speed, precision applications.
Located in the Hangzhou Bay New Zone, our facility is close to both Shanghai and Ningbo Ports, two of China's major maritime hubs. This positioning helps lower local transit costs, streamline export logistics, and reduce overall shipping lead times for international buyers.
Sill Bearing Factory specializes in the design, development, and manufacturing of deep groove ball bearings (ranging from 4mm to 120mm inner diameter), tapered roller bearings, and custom non-standard bearings. We use high-grade GCr15 bearing steel to support consistent quality across our product range.
Our operations integrate automated production machinery with a structured quality management system. We employ a five-stage inspection process to verify tolerances and material performance before shipment. Through our proprietary SILL and NETB brands, we supply products designed for quiet operation, low friction, and long-term durability.
We export to clients in various regions, including North America, South America, Europe, the Middle East, and Southeast Asia. We continue to invest in our production capabilities to meet the evolving requirements of our global customer base.
We manufacture several bearing series to support different load configurations and operating conditions:
Contact our sales and engineering team today to request a quote, technical drawings, or material certificates.
Send Inquiry NowExplore additional specialized bearing types in our catalog, including cylindrical, tapered, needle roller, and custom non-standard bearings.
