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
Light Duty Double Row Cylindrical Roller Bearing Nu416 for Mechanical Equipment with C0-C5 Clearance
Ensure smooth, precise rotation for your mechanical equipment with the Light Duty Double Row Cylindrical Roller Bearing Nu416, designed to minimize downtime and enhance operational efficiency. Its C0-C5 clearance range allows tailored performance to match your machinery’s specific load and speed requirements, addressing the challenge of finding bearings that balance durability with adaptability in diverse industrial settings.Constructed with high-grade bearing steel (60-64 HRC hardness) for long service life, even under continuous operationSeparated design enables easy installation and maintenance, reducing assembly time for busy workshopsAvailable with brass or steel cages to optimize performance for light-duty applications like conveyors or small-scale machinery
Double Row Cylindrical Roller Bearing RNU310 EC P for Mechanical Repair and Maintenance
Minimize machinery downtime with the Double Row Cylindrical Roller Bearing RNU310 EC P—engineered to restore peak performance in mechanical repair and maintenance. Crafted from high-grade bearing steel with 60-64 HRC hardness, this P-grade precision bearing ensures smooth, reliable rotation even under heavy loads, addressing the critical need for durable replacement parts that stand up to industrial demands.Separated design allows easy installation and maintenance, a must-have feature for quick repairsAvailable clearances (C0/C2/C3/C4/C5) and vibration grades (Z1V1-Z3V3) ensure compatibility with diverse machineryBacked by Saifan’s strict quality control and 12-month warranty, delivering peace of mind for your repair projects
Retrofit Modified Double Row Cylindrical Roller Bearing Nu214-Ec J for Equipment Refit with Separated Design
Minimize equipment downtime during refits with the Retrofit Cylindrical Roller Bearing Nu214-Ec J, engineered for seamless integration into existing machinery. Its separated inner and outer ring design allows quick installation without disassembling adjacent components, tackling the common frustration of lengthy maintenance delays.Double row construction delivers 30% higher radial load capacity than single row alternatives, ideal for upgrading aging industrial equipmentPrecision-ground raceways (P0-P4 grade) ensure smooth operation with Z2-Z3 noise levels, maintaining equipment performance standards post-refitConstructed with high-grade bearing steel (60-64 HRC hardness) and brass/steel cage options, ensuring durability in heavy-duty applicationsWhether retrofitting machine tools or enhancing production line efficiency, this bearing’s versatile clearance options (C0-C5) and medium-large outer dimension (120-190mm) make it a reliable choice for engineers prioritizing both performance and installation speed.
Double Row Cylindrical Roller Bearing Nu220 Ec Ml/C3 for Modern Industrial Equipment
Boost your industrial machinery's performance with the Double Row Cylindrical Roller Bearing Nu220 EC ML/C3, engineered to deliver smooth, reliable rotation even under heavy radial loads. Crafted from high-grade bearing steel with a hardness of 60-64 HRC, this bearing ensures extended service life and minimized downtime for modern industrial equipment.C3 clearance design accommodates thermal expansion in high-speed applications, maintaining precision across temperature fluctuationsSeparated inner and outer rings allow easy mounting and dismounting, simplifying maintenance and reducing assembly timeAvailable with brass or steel cages to suit specific load and speed requirements, ensuring optimal performance in diverse industrial settings
Double Row Cylindrical Roller Bearing NNU4926 B/SP W33 for Industrial Machinery with Long Service Life
Ensure smooth, long-lasting operation for your industrial machinery with the Double Row Cylindrical Roller Bearing NNU4926 B/SP W33, engineered to minimize downtime and maximize productivity. Crafted from high-grade bearing steel with 60-64 HRC hardness, this bearing delivers exceptional load capacity and wear resistance, making it ideal for heavy-duty applications in machine tools, reducers, and industrial equipment.Precision-machined brass or steel cage ensures stable rotation and reduced vibration (Z1V1-Z3V3 grades) for enhanced equipment performanceSeparated design allows easy installation and maintenance, while C0-C5 clearance options accommodate specific operational needsBacked by Saifan Bearings' strict quality control and 12-month warranty, providing reliable support for critical machinery operations
Double Row Cylindrical Roller Bearing NU224 EC J/C3 for Industrial Machinery High Precision
Ensure smooth, precise rotation in your industrial machinery with the Double Row Cylindrical Roller Bearing NU224 EC J/C3, engineered to minimize downtime and enhance operational reliability. This high-precision bearing handles heavy radial loads with stability, thanks to its separated design and C3 clearance—ideal for machinery where thermal expansion or misalignment may occur.Constructed from premium bearing steel (60-64 HRC hardness) for long service life under demanding conditionsBrass or steel cage options provide durability and reduced friction, maintaining performance even at high speedsComplies with industry standards to meet the rigorous needs of industrial equipment manufacturers, supporting seamless integration into existing systems
Double Row Cylindrical Roller Bearing NU321-Ec J for Industrial Machinery with C3 Clearance
Ensure smooth, high-precision operation for your industrial machinery with the Double Row Cylindrical Roller Bearing NU321-Ec J, engineered to deliver reliable performance under heavy loads. Designed with C3 clearance, this bearing minimizes vibration and heat buildup during continuous use, addressing the common challenge of maintaining consistent efficiency in demanding work environments.Constructed from premium bearing steel with a hardness of 60-64 HRC, ensuring long service life and resistance to wear in industrial settingsSeparated design allows for easy installation and maintenance, reducing downtime for machinery manufacturers and operatorsAvailable with brass or steel cages to suit specific application requirements, providing flexibility for custom industrial setups
Double Row Cylindrical Roller Bearing NN3020 K TN9/SP for Industrial Machinery High Precision
Ensure smooth, precise operation of your industrial machinery with the Double Row Cylindrical Roller Bearing NN3020 K TN9/SP, engineered to deliver exceptional stability even under heavy radial loads. Crafted from high-grade bearing steel with 60-64 HRC hardness, this high precision bearing minimizes vibration (Z1V1-Z3V3 grades) and extends equipment lifespan, addressing the challenges of maintaining consistent performance in demanding manufacturing environments.Separated design with brass or steel cage allows easy installation and maintenance, a critical feature for machinery downtime reductionAccommodates clearance grades C0-C5 to adapt to specific operational needs, ensuring optimal fit for your industrial applicationsBacked by Saifan Bearings' ISO 9001:2015 quality certification and 12-month warranty, providing reliable support for your production line
Double Row Cylindrical Roller Bearing Nu226-Ec J/C3 for Industrial Machinery High Precision 60-64 HRC
Ensure smooth, precise rotation for your industrial machinery with the Double Row Cylindrical Roller Bearing Nu226-Ec J/C3, engineered to deliver consistent performance even under heavy loads. Crafted from high-grade bearing steel with 60-64 HRC hardness, this high precision cylindrical bearing minimizes vibration (Z2V2 grade) and ensures extended service life, addressing the challenge of maintaining operational stability in demanding industrial environments.C3 clearance design allows for thermal expansion during high-speed operation, preventing premature wear and ensuring optimal fitSeparated inner and outer rings facilitate easy installation and maintenance, reducing downtime for machinery manufacturersBrass or steel cage options provide reliable roller guidance, enhancing durability for machine tools, reducers, and printing equipment
High Speed Double Row Cylindrical Roller Bearing Nu226 Ec M for Industrial Machinery
Keep your industrial machinery running at peak efficiency with the High Speed Double Row Cylindrical Roller Bearing NU226 EC M—engineered to deliver reliable rotation even under heavy loads. This precision bearing minimizes downtime with its separated design and brass/steel cage options, ensuring easy maintenance and long service life for machine tools, reducers, and other industrial equipment.High-grade bearing steel construction (60-64 HRC hardness) provides exceptional wear resistance, tackling the demands of continuous high-speed operationAvailable clearance grades (C0/C2/C3/C4/C5) allow precise tuning to your machinery’s specific load and temperature requirementsComplies with ISO standards, ensuring seamless integration with existing systems and reducing compatibility concerns
Heavy Duty Double Row Cylindrical Roller Bearing NU1018-ML for Industrial Machinery with Brass Cage
Ensure smooth, high-load industrial machinery operation with the NU1018-ML cylindrical roller bearing, built to minimize downtime and boost productivity in heavy-duty applications. This double row design with a brass cage delivers exceptional radial load capacity and heat resistance, making it ideal for machine tools, reducers, and large-scale equipment where reliability under stress is non-negotiable.Precision-engineered with C0-C5 clearance options to match specific operating conditions, ensuring optimal performance and extended service life60-64 HRC hardness rating and separated inner/outer rings for easy installation and maintenance, reducing costly setup timeComplies with ISO industrial standards, backed by Saifan’s strict quality control and 12-month warranty for long-term peace of mind
Double Row Cylindrical Roller Bearing NN3022 K TN9/SP W33 for Industrial Machinery
Ensure smooth, high-precision rotation for your industrial machinery with the Double Row Cylindrical Roller Bearing NN3022 K TN9/SP W33, engineered to minimize downtime and enhance operational stability. Crafted from premium bearing steel with a hardness of 60-64 HRC, this bearing delivers exceptional durability under heavy loads, addressing the need for reliable performance in demanding industrial environments.Separated design with brass or steel cage options allows for easy installation and maintenance, while C0-C5 clearance ranges ensure precise fitting to your equipment specificationsZ1V1-Z3V3 vibration grades guarantee low noise operation, making it ideal for precision machinery where quiet performance is criticalBacked by Saifan Bearings' strict quality control and ISO certifications, this bearing ensures consistent performance to keep your production line running efficiently
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
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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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