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
Automotive Wheel Hub Bearing DAC44720033.1 Double Row P0-P5 Precision for Front/Rear Axle
Ensure smooth, reliable rotation for your front or rear axle with our Automotive Wheel Hub Bearing, engineered to deliver consistent performance under demanding driving conditions. This DAC44720033.1 Double Row bearing features precision ratings from P0 to P5, ensuring minimal vibration (Z1V1 to Z3V3) and extended service life—critical for reducing maintenance downtime and enhancing vehicle safety.Double row design provides superior radial load capacity, ideal for high-stress automotive applicationsUnseparated construction ensures easy installation and maintains alignment, solving common fitment issuesPremium bearing steel material resists wear and heat, keeping your axle转动无忧 (spinning with confidence) mile after mile
Angular Contact Ball Bearing 7308AC 7309AC 7310AC 7311AC for High-Speed Machine Tool Spindle and Motor
Ensure smooth, high-speed rotation for your machine tool spindle or motor with our Angular Contact Ball Bearing series (7308AC, 7309AC, 7310AC, 7311AC). Engineered to deliver P4 precision and Z3V3 vibration control, these bearings minimize noise and extend equipment lifespan, even under continuous heavy loads. High-grade bearing steel construction ensures stable performance in high-speed applications, reducing downtime for industrial machinery manufacturers.Optimized contact angle design balances radial and axial loads, critical for maintaining accuracy in precision tooling operations.Supports OEM/ODM customization to match specific spindle or motor specifications, backed by our ISO 9001:2015 quality assurance.
Deep Groove Ball Bearing 6407 6808 6908 for Construction Machinery High Precision
Ensure smooth, high-precision rotation for your construction machinery with our Deep Groove Ball Bearing 6407 6808 6908, engineered to handle heavy loads and reduce downtime in demanding worksite conditions. Crafted from premium bearing steel, these single-row radial bearings deliver consistent performance, minimizing wear and extending equipment service life even under rigorous use.Unseparated design ensures stable operation, critical for maintaining alignment in excavators and heavy machineryPrecision-machined to meet industry standards, with a compact 10*26*8mm specification ideal for space-constrained applicationsBacked by our ISO 9001-certified quality control and 12-month warranty, offering reliable support for your business needs
High Speed Deep Groove Ball Bearing 16010 50x80x10mm for Industrial Machinery
Keep your industrial machinery running smoothly with our High Speed Deep Groove Ball Bearing 16010, designed to deliver reliable rotation and minimize downtime in demanding applications. This 50x80x10mm bearing combines precision engineering with high-grade bearing steel construction, ensuring consistent performance even at elevated speeds.Optimized for industrial use: Single-row radial design with 0° contact angle reduces friction and heat buildup, extending service life in machine tools, conveyors, and other heavy-duty equipmentMeets ISO standards for dimensional accuracy, ensuring seamless integration with existing systems and reducing maintenance headachesCompact 10mm width balances load capacity and space efficiency, making it ideal for tight installations where performance can’t be compromised
Angular Contact Ball Bearing 7320AC 7321AC 7322AC for Automobile Rolling Mill with P0-P4 Precision
Ensure smooth, high-precision rotation for your automobile rolling mill with our Angular Contact Ball Bearing—engineered to deliver reliable performance even under heavy loads. Available in 7320AC, 7321AC, and 7322AC models with P0-P4 precision grades, these bearings minimize vibration (Z1V1 to Z3V3) and extend machinery lifespan, addressing the critical need for stable operation in demanding industrial environments.Single-row, unseparated design with 100*225*47 mm specification (7320AC) ensures perfect fit for rolling mill applicationsPremium bearing steel construction and grease/oil lubrication compatibility guarantee long service life and low maintenanceIn-stock availability for quick delivery, supported by our ISO 9001:2015 certified production process for consistent quality
Linear Guide Rail 25mm HSR30 Heavy Loading for CNC Automatic Equipments Slider
Boost your CNC automatic equipment's precision and durability with the HSR30 Linear Guide Rail, engineered to handle heavy loads while ensuring smooth, low-noise operation. This 25mm linear rail minimizes vibration during high-speed movements, reducing wear on your machinery and extending service life—perfect for maintaining consistent performance in demanding industrial environments.Alloy construction delivers exceptional rigidity, supporting heavy loading requirements without compromising accuracyLow noise design (Z2-Z3 grade) keeps your workspace quiet, enhancing operator comfort during long production runsCompliant with ISO 9001 standards, ensuring reliable quality that integrates seamlessly with automated systemsPrecision-machined slider ensures stable linear motion, critical for achieving tight tolerances in CNC machining applications
China Deep Groove Ball Bearing 6826 6926 for Hard Medical Devices with ISO9001:2008 Certification
Ensure smooth, reliable rotation in hard medical devices with our China Deep Groove Ball Bearing 6826 6926, engineered to minimize downtime and support precision critical to healthcare equipment performance. Crafted to ISO9001:2008 standards, this bearing delivers consistent operation under the rigorous demands of medical environments, where stability and longevity directly impact operational efficiency. Precision-sized 6*19*4mm structure ensures seamless integration with specialized medical device assemblies, reducing fitment issues and maintenance needs High-grade materials and strict quality control translate to extended service life, lowering replacement frequency and long-term costs Optimized design minimizes vibration and noise, critical for maintaining sterile, quiet medical workspaces
Self-Aligning Roller Bearing 22344MBK 22348MBK 22352MBK 22356MBK/W33 for Industrial Machinery
Ensure smooth, reliable rotation for your industrial machinery with our premium Self-Aligning Roller Bearing series, including 22344MBK, 22348MBK, 22352MBK, and 22356MBK/W33 models. Engineered to handle heavy radial loads and misalignment, these bearings minimize downtime and extend equipment lifespan—perfect for demanding industrial applications.Precision-grade P0-P4 construction with C0/C3/C4 clearance options ensures optimal performance under varying operating conditionsDouble-row roller design and high-quality bearing steel deliver exceptional durability, even in high-torque environmentsSupport for OEM/ODM customization allows seamless integration with your specific machinery requirements
Pillow Block Insert Bearing UCP217 UCP218 High Load for Agricultural Machinery
Keep your agricultural machinery running smoothly even under heavy loads with our Pillow Block Insert Bearing—designed to deliver reliable rotation for harvesters, tractors, and farm equipment. This UCP217/UCP218 model combines high load capacity with precision engineering, ensuring minimal downtime during critical harvest seasons.Constructed with bearing steel and deep groove raceway for enhanced durability and consistent performanceAvailable in P0-P4 precision ratings to match your machinery’s exact requirementsRich stock ensures fast delivery, so you can maintain seamless operations without long waits
Needle Roller Bearing RSTO25 30x52x15.8mm High Precision P0-P4 for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with the Needle Roller Bearing RSTO25, engineered to deliver consistent performance even under heavy loads. Crafted to P0-P4 precision standards and sized at 30x52x15.8mm, this bearing minimizes vibration and extends equipment lifespan, addressing the critical need for reliable motion in high-demand applications.Radial load design with bearing steel construction ensures durability for machine tools, textile equipment, and other industrial machinerySupports both grease and oil lubrication for flexible maintenance, while C0/C3/C4 clearance options allow fine-tuning to specific operational needsBacked by Saifan’s ISO 9001-certified quality control and 12-month warranty, with OEM/ODM customization available to match your exact specifications
Deep Groove Ball Bearing 6004 20x47x14mm P0-P4 Precision for Transmission Motors
Ensure smooth, precise rotation in your transmission motors with this Deep Groove Ball Bearing 6004, engineered to deliver consistent performance across P0-P4 precision grades. The 20x47x14mm design minimizes vibration (Z1V1 to Z3V3 ratings) and handles radial loads effortlessly, reducing maintenance downtime for industrial machinery and automotive systems.Grease or oil lubrication options adapt to your specific operating conditions, ensuring long service life even in high-demand applicationsUnseparated, single-row construction guarantees easy installation and reliable alignment, critical for motor efficiencyBacked by ISO 9001:2015 quality standards, this bearing balances durability and precision to keep your equipment running at peak performance
Spherical Roller Bearings 22217cc/W33 22217ca/W33 Self Aligning for Speed Reducers with Long Life
Ensure smooth, long-lasting operation for your speed reducers with our Spherical Roller Bearings 22217cc/W33 22217ca/W33. These self-aligning bearings minimize downtime by accommodating misalignment, while their high-grade bearing steel construction delivers extended service life even under heavy loads. Precision-engineered with P0-P4 accuracy and C0/C3/C4 clearance options to match your specific reducer requirements Double-row roller design ensures radial load capacity and low noise performance for industrial environments Available in 85*150*36 mm dimensions with rich stock for quick 3-5 day sample delivery, supporting both standard and customized orders Backed by ISO 9001:2015 quality certification, these bearings keep your machinery running reliably—so you can focus on productivity, not maintenance.
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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Flexible payment terms