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
Needle Roller Bearing NK75/25 for Industrial Machinery, P0-P4 Precision, 75x92x25mm
Ensure smooth, precise rotation in your industrial machinery with the NK75/25 Needle Roller Bearing, engineered to deliver reliable performance under radial loads. Crafted to P0-P4 precision standards and measuring 75x92x25mm, this bearing minimizes vibration and extends equipment lifespan, even in high-demand applications like machine tools and textile machinery.Radial design without inner/outer rings optimizes space efficiency for compact mechanical assembliesHigh-grade bearing steel construction ensures durability, reducing costly downtime from premature wearSupports grease or oil lubrication for flexible maintenance, backed by our 12-month warranty and responsive technical support
High Precision Auto Wheel Hub Bearing DAC30600037/34 for Car Transmission Systems
Ensure smooth, reliable car transmission performance with the High Precision Auto Wheel Hub Bearing DAC30600037/34, engineered to minimize vibration and extend service life in demanding driving conditions. Crafted from premium ball bearing steels with P6 tolerance, this 30*60*37mm hub bearing delivers consistent rotation, reducing wear on transmission components and enhancing overall vehicle efficiency.Precision rating options from P0 to P4 and noise grades Z1V1 to Z3V3 ensure compatibility with diverse automotive specificationsSupports OEM/ODM customization to match specific car models, addressing unique fitment needs with factory-direct reliabilityISO 9001 certified quality backed by Saifan Bearings' strict production supervision, ensuring stable performance even under heavy loads
Wheel Hub Bearing 51720-2D100 DAC39740034/36 for Hyundai Auto with P0-P5 Precision
Ensure smooth and reliable rotation for your Hyundai with the Wheel Hub Bearing 51720-2D100, engineered to deliver precise performance and extended service life. This DAC39740034/36 bearing features P0-P5 precision ratings and Z1V1-Z3V3 vibration control, ensuring minimal noise and maximum durability under varying driving conditions.Designed to exact specifications (39*74*34/36) for seamless fit and optimal load distributionSupports OEM/ODM customization to meet specific performance requirements, backed by ISO 9001:2015 quality standardsEnsures consistent operation even in high-stress environments, reducing maintenance downtime and long-term costs
22311 Brass Core Self Aligning Roller Bearing for Heavy Truck Wheel Applications
Ensure smooth, reliable performance for heavy truck wheel applications with the 22311 self aligning roller bearing, engineered to reduce downtime and handle extreme loads. Crafted with a brass core for enhanced heat dissipation and durability, this bearing maintains precision even under heavy-duty conditions, addressing the critical need for long service life in demanding environments.90x190x64mm specification ensures perfect fit for heavy truck wheel assemblies, with P0-P4 precision grades available to meet exact application requirementsSelf-aligning design compensates for shaft misalignment, minimizing wear and extending component lifespanGrease or oil lubrication flexibility allows adaptation to diverse operating conditions, supported by Saifan's strict quality control and 12-month warranty
Linear Motion Slide Block Bearings LMEF8UU LMEF12UU with Flange for Industrial Machinery
Ensure smooth, precise linear motion in your industrial machinery with Linear Motion Slide Block Bearings—LMEF8UU and LMEF12UU models with integrated flanges for easy installation. These alloy bearings deliver consistent performance, reducing downtime and enhancing equipment reliability in high-demand applications.Flange design simplifies mounting, saving assembly time and ensuring secure alignmentPrecision-engineered for low friction operation, extending machinery service lifeSupports OEM/ODM customization to match specific equipment requirements
Deep Groove Ball Bearing 6400 Series High Speed Low Noise for Industrial Machinery
Keep your industrial machinery running smoothly with 6400 deep groove ball bearing—engineered for high-speed performance and minimal noise, ensuring uninterrupted operation and extended equipment lifespan. Crafted from premium bearing steel with precision grades from P0 to P4 and noise levels as low as Z2, this bearing delivers consistent rotation even in demanding applications like machine tools and textile equipment.High-speed capability reduces downtime, while low noise design improves workplace comfortFlexible lubrication options (grease or oil) adapt to your specific operating conditionsRich stock availability ensures quick delivery, so you can maintain production schedules without delays
High Precision LMF35UU Linear Motion Bearing with Square Flange for Industrial Machinery
Ensure smooth, precise linear motion in your industrial machinery with the high precision LMF35UU linear bearing—engineered to minimize vibration and extend equipment lifespan. This square flange model delivers consistent performance under heavy loads, addressing common wear issues in manufacturing and automation setups.Alloy construction ensures durability for continuous operation, meeting ISO standards for industrial reliabilityLM series design with integrated flange simplifies installation, reducing assembly time and alignment errorsSupports OEM/ODM customization to match specific machinery requirements, backed by Saifan’s 12-month warranty
FAG HR30330J Roller Bearing 150x320x72mm for Plastic Machinery with P0-P4 Precision
Ensure smooth, precise rotation for your plastic machinery with the FAG HR30330J Roller Bearing, engineered to deliver consistent performance even under heavy production demands. This 150x320x72mm precision roller bearing maintains tight tolerances from P0 to P4 grades, reducing vibration and minimizing downtime—critical for maintaining productivity in high-cycle manufacturing environments. Grease or oil lubrication flexibility adapts to your machinery’s specific maintenance protocols, ensuring optimal wear resistance and extended service life Z1V1 to Z3V3 vibration grades meet strict operational standards, preventing premature component wear and ensuring stable output quality Backed by FAG’s legacy of German engineering, this bearing integrates seamlessly into plastic extrusion, injection molding, and blow molding equipment, supporting continuous production with reliable load handling
UC318 UCP318 Pillow Block Insert Bearing High Load Deep Groove Raceway 12x47x31mm
Ensure smooth, high-load operations with the UC318 Pillow Block Bearing, engineered to deliver reliable rotation even under heavy stress in industrial machinery. Its deep groove raceway design minimizes friction for extended service life, while the 12x47x31mm precision dimensions ensure perfect compatibility with your equipment.Bearing steel construction and P0-P4 precision ratings guarantee consistent performance in demanding environments like agricultural machinery and construction equipmentGrease or oil lubrication flexibility adapts to your maintenance routine, reducing downtime and operational headachesBacked by Saifan's 12-month global warranty and responsive technical support, so you can focus on productivity without worrying about component failure
Insert Bearings UC316 UC317 UC318 UC319 Pillow Block High Load Deep Groove Raceway
Ensure smooth, heavy-duty industrial operations with our High Load Deep Groove Pillow Block Insert Bearings (UC316-UC319), engineered to deliver reliable rotation even under extreme mechanical stress. Crafted from premium bearing steel with P0-P4 precision ratings and Z1V1-Z3V3 vibration control, these units minimize downtime by reducing wear and noise in machinery like conveyors, agricultural equipment, and construction tools.Deep groove raceway design optimizes load distribution for extended service life in high-torque applicationsFlexible lubrication options (grease/oil) adapt to your maintenance schedule, while rich stock availability ensures quick fulfillment of both small and bulk ordersBacked by Saifan’s 12-month global warranty and ISO-certified quality, these bearings provide the stability you need to keep production running without unexpected interruptions
Thrust Ball Bearings 51122 51222 51322 51124 51224 for Automobile Spare Parts with P0-P4 Precision and ISO9001 Certification
Ensure smooth, reliable rotation in your automobile spare parts with Thrust Ball Bearings designed for precision and durability. These P0-P4 grade bearings (including models 51122, 51222, 51322, 51124, 51224) deliver consistent performance under axial loads, reducing downtime and enhancing machinery lifespan—perfect for automotive applications where stability matters most. ISO9001 certified quality ensures compliance with global standards, backed by separated raceway design for easy installation and maintenance Available in stock for quick 3-5 day sample delivery, with OEM/ODM support to match your exact specifications Engineered with high-grade bearing steel and precision manufacturing to minimize vibration (Z1V1-Z3V3) and extend service life in demanding automotive environments
Self Aligning Ball Bearing 2218M 95x170x32mm with Automatic Heart Adjustment Function
Keep your machinery running smoothly even with minor misalignments thanks to the Self Aligning Ball Bearing 2218M, designed to automatically adjust for shaft deflection and housing errors. This 95x170x32mm double row bearing delivers reliable radial load support in industrial applications, from agricultural equipment to textile machinery, ensuring reduced downtime and extended equipment life.Precision-engineered with high-grade bearing steel and available in P0-P4 precision grades to meet strict performance standardsFeatures steel or brass cage options for durability, paired with C0/C3/C4 clearance ranges to optimize operation under varying loadsSupports both grease and oil lubrication, adapting to your maintenance routine for long-term stability
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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