Precision bearing manufacturing
Factory Direct · ISO 9001:2015 Certified

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

All Products

4835 products found

Factory Direct · 1 pc MOQ · 3-5 Day Sample
Double Row Cylindrical Roller Bearing NUP2220 EC P for Port Harbour Machinery
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Double Row Cylindrical Roller Bearing NUP2220 EC P for Port Harbour Machinery

Ensure smooth, high-precision rotation for your port harbour machinery with the Double Row Cylindrical Roller Bearing NUP2220 EC P, engineered to handle heavy axial and radial loads in demanding marine environments. Crafted from premium bearing steel with 60-64 HRC hardness, this separated-type bearing delivers exceptional durability and wear resistance, minimizing downtime and maintenance costs for continuous operation.Non-aligning design with brass or steel cages ensures stable performance under dynamic loads, critical for crane and conveyor systems in port facilitiesPrecision clearance options (C0-C5) and Z1V1-Z3V3 vibration grades optimize compatibility with high-speed machinery, reducing noise and extending service lifeMedium-large outer dimensions (120-190mm) meet industry standards for harbour equipment, backed by Saifan's ISO 9001-certified quality control for reliable, long-term performance

Wind Energy Double Row Cylindrical Roller Bearing Nu2318 Ec J/C3 for New Energy Turbines
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Wind Energy Double Row Cylindrical Roller Bearing Nu2318 Ec J/C3 for New Energy Turbines

Ensure smooth, reliable rotation for your new energy turbines with the Wind Energy Double Row Cylindrical Roller Bearing Nu2318 Ec J/C3, designed to deliver consistent performance even under the demanding conditions of wind power applications. This high-precision bearing minimizes downtime and maintenance needs, addressing the critical need for long-lasting, low-friction components in renewable energy systems. Engineered with C3 clearance to accommodate thermal expansion and shaft misalignment, ensuring optimal load distribution and extended service life in turbine gearboxes Constructed from premium bearing steel with 60-64 HRC hardness, providing exceptional durability to withstand heavy radial loads and high rotational speeds Features a separated design for easy installation and maintenance, paired with brass or steel cages for stable operation—ideal for new energy turbine manufacturers seeking reliable, high-performance bearings

Energy Machinery Double Row Cylindrical Roller Bearing Nup320-Ec J for New Energy Equipment with C3 Clearance
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Energy Machinery Double Row Cylindrical Roller Bearing Nup320-Ec J for New Energy Equipment with C3 Clearance

Ensure smooth, reliable rotation for your new energy equipment with the Energy Machinery Double Row Cylindrical Roller Bearing Nup320-Ec J, engineered to deliver consistent performance even under variable loads. Its C3 clearance design minimizes friction and heat buildup, reducing maintenance downtime while extending equipment lifespan—perfect for high-precision applications where stability can’t be compromised.Double row cylindrical structure with separated inner ring allows easy installation and axial load handling, ideal for wind turbines, solar trackers, and other energy machineryConstructed from premium bearing steel with 60-64 HRC hardness, ensuring durability against wear and tear in demanding operational environmentsZ2V2 vibration grade guarantees low noise operation, enhancing workplace comfort and meeting strict industry standards for new energy equipment

Double Row Cylindrical Roller Bearing Nu2326 for Ore Processing Crushers with C3 Clearance
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Double Row Cylindrical Roller Bearing Nu2326 for Ore Processing Crushers with C3 Clearance

Boost ore processing efficiency with the Double Row Cylindrical Roller Bearing Nu2326, engineered to minimize downtime in crushers through its robust C3 clearance design. This bearing handles heavy radial loads with precision, thanks to high-grade bearing steel construction (60-64 HRC hardness) and a separated brass cage that ensures smooth operation even in harsh mining conditions.Designed for medium and large crushers (120-190mm outer dimension) with Z2V2 vibration grade for stable performanceMaintains optimal load distribution to reduce wear, extending equipment service life in ore processing applicationsComplies with industry standards, ensuring seamless integration into existing crusher setups

Low Noise Double Row Cylindrical Roller Bearing Nu1034 M/C3 for Mining Machinery
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Low Noise Double Row Cylindrical Roller Bearing Nu1034 M/C3 for Mining Machinery

Keep your mining machinery running smoothly with reduced downtime using our Low Noise Double Row Cylindrical Roller Bearing Nu1034 M/C3. Engineered to deliver reliable performance in heavy-duty mining conditions, this bearing minimizes operational noise while handling high radial loads, ensuring your equipment stays productive longer.Precision C3 clearance optimizes load distribution, reducing wear and extending service life in harsh mining environmentsConstructed with high-grade bearing steel (60-64 HRC hardness) for superior durability against debris and heavy impactsSeparated design allows easy installation and maintenance, cutting down on repair time and labor costsComplies with ISO standards, ensuring seamless integration with your existing mining equipment for consistent performance

Double Row Cylindrical Roller Bearing NN3010 Tn/Sp for Metalworking Machine Stable Operation
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Double Row Cylindrical Roller Bearing NN3010 Tn/Sp for Metalworking Machine Stable Operation

Ensure stable, precise metalworking machine operation with our Double Row Cylindrical Roller Bearing NN3010 Tn/Sp — engineered to eliminate vibration disruptions and extend equipment uptime. Crafted from premium bearing steel with 60-64 HRC hardness, this bearing delivers consistent performance under heavy loads, making it ideal for high-speed machining applications.Separated design allows easy installation and maintenance, reducing downtime for critical production linesBrass/steel cage options and C0-C5 clearance ranges ensure compatibility with diverse machine tool configurationsZ2V2 vibration grade minimizes noise and ensures smooth rotation, protecting workpiece precision

High Precision Double Row Cylindrical Roller Bearing for High Speed Spindle Nu1005 Nu1009 Nu1014-Ml Ec P/C3
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High Precision Double Row Cylindrical Roller Bearing for High Speed Spindle Nu1005 Nu1009 Nu1014-Ml Ec P/C3

Experience smoother, more precise high-speed spindle operation with our High Precision Double Row Cylindrical Roller Bearing, engineered to eliminate vibration and extend machinery uptime. Crafted from premium bearing steel with a 60-64 HRC hardness rating, these Nu1005, Nu1009, and Nu1014-ML models deliver exceptional durability for machine tool spindles and high-speed industrial applications.Precision grade P/C3 and Z1V1-Z3V3 vibration control ensure consistent performance under heavy loadsSeparated design with brass or steel cage options allows easy installation and maintenanceMedium and large outer dimensions (120-190mm) fit seamlessly into industrial equipment setupsBacked by ISO 9001-certified manufacturing for reliable quality you can trust in critical operations

Lathe Special Double Row Cylindrical Roller Bearing Nu307-Ec M High Precision C3 Clearance Metalworking
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Lathe Special Double Row Cylindrical Roller Bearing Nu307-Ec M High Precision C3 Clearance Metalworking

Boost your lathe's precision and reduce downtime with the Lathe special double row cylindrical roller bearing Nu307-Ec M—engineered to deliver consistent performance in high-speed metalworking operations. This high precision C3 clearance bearing minimizes vibration (Z1V1-Z3V3 grades) and handles heavy radial loads, ensuring smoother cuts and extended tool life for CNC and conventional lathes alike. Crafted from premium bearing steel (60-64 HRC hardness) with separated inner/outer rings for easy installation and maintenance, a must-have for industrial machinery reliability. Available with brass or steel cages to match specific operating conditions, backed by Saifan's ISO 9001-certified quality control for long-term stability.

High Efficiency Double Row Cylindrical Roller Bearing Nu2215 Ec Ml/C3 for Automation Machinery
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High Efficiency Double Row Cylindrical Roller Bearing Nu2215 Ec Ml/C3 for Automation Machinery

Boost your automation machinery's performance with the High Efficiency Double Row Cylindrical Roller Bearing Nu2215 Ec Ml/C3, designed to deliver smooth, reliable rotation even under heavy loads. This precision-engineered bearing minimizes downtime and enhances operational efficiency, making it ideal for high-speed industrial applications where stability is non-negotiable.Engineered with C3 clearance and a robust brass/steel cage, ensuring optimal heat dissipation and extended service life in continuous-duty environments60-64 HRC hardness rating guarantees exceptional wear resistance, reducing the need for frequent replacements and lowering maintenance costsNon-aligning design with separated inner/outer rings allows for easy installation and precise axial load handling, critical for automation machinery alignment

Double Row Cylindrical Roller Bearing NUP2211 EC P/C3 for Logistics Conveying Equipment
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Double Row Cylindrical Roller Bearing NUP2211 EC P/C3 for Logistics Conveying Equipment

Ensure smooth, reliable operation of your logistics conveying equipment with the Double Row Cylindrical Roller Bearing NUP2211 EC P/C3, engineered to minimize downtime and maximize throughput in high-demand material handling systems. This separated cylindrical bearing with brass cage delivers exceptional radial load capacity and precise alignment, making it ideal for conveyor systems where consistent performance under heavy loads is non-negotiable.C3 clearance design accommodates thermal expansion during continuous operation, reducing friction and extending service life60-64 HRC hardness ensures superior wear resistance, critical for maintaining precision in long-running conveyor applicationsNon-aligning construction provides stable rotation even in high-speed logistics environments, supporting efficient material flow

Double Row Cylindrical Roller Bearing NUP307-Ec P for Water Pump with C3 Clearance
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Double Row Cylindrical Roller Bearing NUP307-Ec P for Water Pump with C3 Clearance

Ensure reliable water pump performance with the Double Row Cylindrical Roller Bearing NUP307-Ec P, engineered to minimize downtime in industrial and agricultural applications. Its C3 clearance design accommodates thermal expansion, preventing seizing during extended operation—ideal for machinery where consistent rotation under varying temperatures is critical.Precision-grade bearing steel (60-64 HRC hardness) delivers long service life, reducing replacement frequencySeparated structure allows easy maintenance, cutting labor costs for equipment upkeepNon-aligning design ensures stable load distribution, optimizing pump efficiency and output

Double Row Cylindrical Roller Bearing Nu2222-Ec P for Mixer Machine Stable Load
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Double Row Cylindrical Roller Bearing Nu2222-Ec P for Mixer Machine Stable Load

Ensure smooth, reliable operation for your mixer machine with the Double Row Cylindrical Roller Bearing NU2222-Ec P, engineered to deliver stable load performance even under heavy-duty mixing conditions. This high-precision bearing minimizes downtime by maintaining consistent rotation, addressing the need for long-lasting components in industrial machinery.Designed with separated inner and outer rings for easy installation and maintenance, a critical feature for mixer applications requiring quick part replacementsConstructed from premium bearing steel with 60-64 HRC hardness, ensuring exceptional wear resistance to handle the rigors of continuous mixing operationsAvailable with clearance options (C0/C2/C3/C4/C5) to fine-tune performance based on specific mixer speed and load requirementsBacked by Saifan Bearings' ISO 9001-certified quality control, this bearing ensures your equipment runs efficiently, reducing costly interruptions and extending service life.

Why Saifan Bearing

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.

P0-P4 Grade

Micro-Level Precision

Advanced CNC grinding to ABMA/DIN standards. Dimensional accuracy measured at micron level for consistent performance in high-speed applications.

Z2-Z4 Noise
Chrome Steel

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.

3× Longer Life
ISO 9001:2015

Certified Quality System

ISO 9001:2015 & ISO 14001 certified facility. Professional QC teams conduct 100% dimensional, noise, and vibration testing before shipment.

12-Month Warranty
OEM / ODM

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.

3-5 Day Sample

±0.001mm

Dimensional Tolerance

≤55 dB

Noise Level (Z4)

180°C

Max Operating Temp

50,000h

Design Service Life

Industry Applications

Engineered for Every Industry

From renewable energy to heavy metallurgy -- our bearings are trusted across the most demanding industrial environments worldwide.

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Renewable Energy bearing application

Renewable Energy

Wind & solar power systems

Mineral Processing bearing application

Mineral Processing

Mining & crushing equipment

Marine & Offshore bearing application

Marine & Offshore

Corrosion-resistant solutions

Steel & Metallurgy bearing application

Steel & Metallurgy

High-temp heavy-load bearings

Wind Energy bearing application

Wind Energy

Turbine main shaft bearings

Pulp & Paper bearing application

Pulp & Paper

Wet environment performance

Medical & Lab bearing application

Medical & Lab

Ultra-low noise precision

Heavy Machinery bearing application

Heavy Machinery

Maximum load capacity

Quality Verification

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
Trade / Wholesale

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