Precision Bearings Precision Engineered. Globally Supplied.
P0-P4 precision grades. Z2-Z4 noise grades. Chrome steel construction. Serving global distributors, machinery manufacturers, and OEM brand owners with factory-direct pricing and 1-piece MOQ.
19+
Years Factory
P0-P4
Precision Grade
ISO 9001
Certified
1 pc MOQ
No Min Order
By Precision Grade
P0 · P4 · P5 · P6All Products
4835 products found
Deep Groove Ball Bearing 6000 6001 6002 Zz 2RS DDU for Cars Motorcycles Machinery
Ensure smooth, long-lasting rotation for your cars, motorcycles, and machinery with our high-performance Deep Groove Ball Bearing lineup. Precision-engineered to P0-P4 standards and Z1V1-Z3V3 vibration grades, these 6000, 6001, and 6002 series bearings (available in Zz, 2RS, and DDU seals) deliver reliable performance under radial loads, reducing downtime and maintenance headaches.Constructed with premium bearing steel for exceptional durability, ideal for both daily use and industrial applicationsGrease or oil lubrication options let you tailor performance to your specific operating conditionsNon-aligning, single-row design ensures consistent contact angle (0°) for stable power transmissionBacked by our ISO 9001-certified quality control, so you can trust every turn to keep your equipment running无忧 (worry-free)
Deep Groove Ball Bearing 6006 Zz 2RS DDU for Agricultural Machinery & Transportation Vehicles
Boost agricultural machinery and transportation vehicle performance with the reliable 6006 Deep Groove Ball Bearing, engineered to deliver smooth rotation even in heavy-duty conditions. Crafted from high-grade bearing steel with precision dimensions (10x26x8mm), this single-row radial bearing ensures minimal friction and extended service life, reducing costly downtime for your equipment.Available in ZZ, 2RS, and DDU seal options to protect against dust and moisture, ideal for tractors and transportation fleets operating in harsh environments0° contact angle design optimizes radial load handling, providing stable operation for critical components like wheel hubs and drive systemsBacked by our ISO 9001-certified manufacturing process, ensuring consistent quality that meets the demands of industrial and agricultural machinery manufacturers
Rod End Bearing NOS25 NOS28 NOS30 POSA PHSA Self-Lubricating Spherical Plain Bearing for Industrial Machinery
Ensure smooth, low-maintenance industrial machinery operation with Saifan Bearings' Self-Lubricating Spherical Plain Bearing—built to eliminate frequent lubrication downtime and boost equipment reliability. This rod end bearing (models NOS25, NOS28, NOS30, POSA, PHSA) combines hydrodynamic lubrication with a self-lubricating bushing, delivering consistent performance under both trust and radial loads in demanding industrial environments.High precision (P0-P4 grade) and low noise (Z2-Z4) design ensures minimal vibration, extending machinery service lifeSteel-on-steel sliding contact with thin film lubrication technology reduces wear, ideal for heavy-duty applications like machine tools and agricultural equipmentSupports OEM/ODM customization to match specific equipment dimensions, backed by Saifan's ISO 9001:2015 quality certification and 12-month warranty
Deep Groove Ball Bearing 627 628 629 P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with our Deep Groove Ball Bearing series (627, 628, 629), engineered to deliver consistent performance from P0 to P4 precision grades. Crafted with high-grade materials and rigorous quality control, these bearings minimize downtime by reducing vibration (Z1V1 to Z3V3 ratings) and extending service life in demanding applications.Available with grease or oil lubrication to match your machinery’s specific operating conditionsPrecision-engineered dimensions (7*22*7mm for 627 model) ensure seamless integration into existing setupsSupports OEM/ODM customization to meet unique industrial requirements, backed by ISO 9001:2015 certified manufacturing
High Quality NTN Deep Groove Ball Bearing 6219 6319 for Construction Machinery with 10*26*8mm Specification
Ensure smooth, long-lasting performance for your construction machinery with this high-quality NTN Deep Groove Ball Bearing—engineered to reduce downtime and boost operational reliability. Crafted from premium bearing steel with a precise 10*26*8mm specification, it delivers exceptional radial load capacity and minimal friction, making it ideal for heavy-duty applications like excavators and industrial equipment.Single-row design with 0° contact angle ensures optimal load distribution and stability under rigorous working conditionsMeets international standards for durability, directly addressing the need for consistent performance in demanding construction environmentsTrusted NTN quality backed by our strict quality control processes, giving you confidence in every rotation
Tapered Roller Bearing 30202 15x35x11mm Open Single Row for Industrial Machinery OEM ODM
Ensure smooth, long-lasting performance in your industrial machinery with the Tapered Roller Bearing 30202, engineered to deliver reliable rotation and reduce downtime in high-load applications. This 15x35x11mm open single row bearing handles radial and axial forces with precision, thanks to its P0-P4 precision rating options that meet strict industrial standards.Designed for seamless integration into machinery assemblies, with compatibility for OEM/ODM customization to match your exact specificationsConstructed to minimize vibration and wear, ensuring consistent operation even in demanding working conditionsBacked by our 12-month warranty and expert technical support, giving you confidence in every turn
Cylindrical Roller Bearing NJ419EM NU419EM High Precision for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with our Cylindrical Roller Bearing NJ419EM NU419EM, engineered to minimize downtime and maximize operational efficiency. Crafted from high-grade bearing steel, this high precision cylindrical roller bearing delivers reliable performance under radial loads, making it ideal for machine tools, reducers, and heavy-duty equipment.Precision rating options from P0 to P4 ensure compatibility with demanding applications requiring tight tolerancesSeparated structure allows easy mounting and maintenance, reducing assembly time and labor costsOpen design accommodates various lubrication methods (oil, grease, dry) for flexible integration into existing systemsBacked by our ISO 9001-certified manufacturing process, this bearing ensures consistent quality to keep your production line running without unexpected interruptions.
China Pillow Block Bearing UCP207 Series High Load Deep Groove Insert Bearings 35×42.9x172mm
Ensure smooth, heavy-duty rotation for your industrial machinery with our China Pillow Block Bearing UCP207 Series — designed to handle high loads while maintaining precision in every turn. Crafted from premium bearing steel with a deep groove raceway, this 35x42.9x172mm insert bearing delivers exceptional durability, making it ideal for agricultural equipment, conveyor systems, and heavy-duty industrial applications.Single-row design with P0-P4 precision ratings ensures stable performance under rigorous conditionsCompatible with UK bearing blocks for easy installation and reliable alignmentGrease or oil lubrication flexibility adapts to your specific operational needsBacked by our strict quality control and 12-month warranty for long-term peace of mind
Spherical Plain Bearing GEEW45ES Self-lubricating for Construction Machinery 45x68x45mm
Minimize downtime and boost machinery reliability with the Spherical Plain Bearing GEEW45ES, a self-lubricating solution engineered for the demands of construction equipment. This 45x68x45mm bearing eliminates the need for frequent manual lubrication, reducing maintenance costs while ensuring smooth operation in heavy-load applications like hydraulic cylinders and forging machines.Steel-on-steel sliding contact delivers exceptional durability, even under the harsh conditions of construction sitesHigh precision design (P0-P4 grade available) ensures consistent performance, aligning with ISO industrial standards for long service lifeWhole outer ring structure provides enhanced stability, critical for equipment like excavators and automation systems
Stainless Steel Pillow Block Bearing SU212 High Precision Low Noise for Industrial Machinery
Ensure smooth, quiet operation in your industrial machinery with the Stainless Steel Pillow Block Bearing SU212, engineered to deliver high precision and minimize downtime. This 60*110*65.1mm unit features a single-row radial design and unseparated construction, ensuring reliable load distribution and easy installation—perfect for machine tools, printers, and heavy-duty equipment where stability matters most.Low noise performance meets Z2-Z4 standards, ideal for noise-sensitive work environmentsStainless steel material resists corrosion, extending service life in demanding conditionsBacked by ISO-certified quality and our 12-month global warranty for worry-free operation
Large Lathe Spindle Taper Roller Bearing HR30322J with P0-P4 Precision for Industrial Machinery
Ensure precise, low-vibration performance for your large lathe operations with the HR30322J Taper Roller Bearing, engineered to deliver stable rotation and extended service life in industrial machinery. Crafted to P0-P4 precision grades and Z1V1-Z3V3 vibration standards, this 110x240x54.5mm spindle bearing minimizes downtime by maintaining tight tolerances under heavy loads.Grease or oil lubrication flexibility adapts to your maintenance routine, reducing operational disruptionsOEM/ODM support available to match specialized lathe configurations, eliminating compatibility concernsBacked by ISO 9001-certified manufacturing for consistent quality you can rely on for critical machining tasks
Self-Aligning Roller Bearings 23232EK-23248EK W33 for Industrial Machinery with P0-P4 Precision
Ensure smooth, reliable rotation in your industrial machinery with Self-Aligning Roller Bearings designed to minimize downtime and maximize performance. These 23232EK-23248EK W33 bearings deliver P0-P4 precision, adapting to misalignment and heavy radial loads—perfect for machine tools, reducers, and agricultural equipment that demands consistent operation under tough conditions.Double-row roller design with C0/C3/C4 clearance options ensures optimal load distribution and long service life, even in high-vibration environmentsConstructed from premium bearing steel for durability, backed by our ISO 9001:2015 quality certification and 12-month warrantySupports OEM/ODM customization to match your exact specifications, with flexible MOQ and fast 5-15 day bulk delivery
Precision Craftsmanship.
Enduring Performance.
Autonomous factory manufacturing with full-process quality control. Every bearing is engineered to exceed international standards for load capacity, noise grade, and service life.
Micro-Level Precision
Advanced CNC grinding to ABMA/DIN standards. Dimensional accuracy measured at micron level for consistent performance in high-speed applications.
Premium Raw Materials
High-grade GCr15 chrome steel with strict incoming inspection. Superior hardness and wear resistance ensures 3× longer service life than standard bearings.
Certified Quality System
ISO 9001:2015 & ISO 14001 certified facility. Professional QC teams conduct 100% dimensional, noise, and vibration testing before shipment.
Full Custom Production
From R&D to branded packaging. Support custom dimensions, seals, lubrication, and private labeling. 1 pc MOQ for standard, bulk orders in 5-15 days.
±0.001mm
Dimensional Tolerance
≤55 dB
Noise Level (Z4)
180°C
Max Operating Temp
50,000h
Design Service Life
Engineered for Every Industry
From renewable energy to heavy metallurgy -- our bearings are trusted across the most demanding industrial environments worldwide.
Renewable Energy
Wind & solar power systems
Mineral Processing
Mining & crushing equipment
Marine & Offshore
Corrosion-resistant solutions
Steel & Metallurgy
High-temp heavy-load bearings
Wind Energy
Turbine main shaft bearings
Pulp & Paper
Wet environment performance
Medical & Lab
Ultra-low noise precision
Heavy Machinery
Maximum load capacity
Request Free Sample
Test before you commit. We provide free bearing samples (buyer pays freight). Ready in 3-5 business days. No minimum order required.
- Free sample (freight collect)
- 3-5 day dispatch
- Full spec datasheet included
- No MOQ for samples
Bulk & FCL Inquiry
For distributors, brand owners, and machinery manufacturers. Share your requirements and receive a competitive factory-direct quotation within 24 hours.
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Full FCL Support
20GP / 40HQ containers
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OEM Branding
Custom packaging & labels
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5-15 Day Lead
Bulk production timeline
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T/T · L/C · Alibaba
Flexible payment terms