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
High Quality Deep Groove Ball Bearing 61852 260x320x28mm for Industrial Machinery
Ball Bearing

High Quality Deep Groove Ball Bearing 61852 260x320x28mm for Industrial Machinery

Ensure smooth, long-lasting operation for your industrial machinery with our High Quality Deep Groove Ball Bearing 61852. Engineered to deliver reliable radial load performance in demanding applications, this 260x320x28mm bearing minimizes downtime and maximizes productivity with its precision-crafted bearing steel construction.Single-row design with 0° contact angle ensures optimal load distribution and stability during high-speed rotationMeets ISO industrial standards for consistent quality, addressing the need for durable components in heavy-duty equipmentSeamless integration into machinery like reducers and printing equipment, backed by our factory's decades of manufacturing expertise

UCP207 Pillow Block Bearing High Load Deep Groove Insert Bearing P0-P4 Precision
Housing Bearings

UCP207 Pillow Block Bearing High Load Deep Groove Insert Bearing P0-P4 Precision

Ensure smooth, high-load machinery operation with the UCP207 Pillow Block Bearing, engineered to deliver P0-P4 precision for reliable rotation in industrial applications. Its deep groove raceway design minimizes friction under heavy loads, solving common issues with unstable performance in high-stress environments.Single-row construction with bearing steel material ensures durability for machine tools, agricultural equipment, and conveyor systemsSupports grease or oil lubrication for flexible maintenance, extending service life in diverse operating conditionsZ1V1-Z3V3 vibration grades reduce noise pollution, enhancing workplace comfort while maintaining performanceBacked by our ISO-certified manufacturing and 12-month global warranty for confident, long-term use

Japan Koyo NSK Dac50900035 Wheel Hub Bearing 70x180x42mm for Automotive Applications
Automotive Bearing

Japan Koyo NSK Dac50900035 Wheel Hub Bearing 70x180x42mm for Automotive Applications

Ensure smooth, reliable rotation for your automotive applications with the Dac50900035 wheel hub bearing, engineered to deliver consistent performance under demanding conditions. Crafted to precise 70x180x42mm specifications from high-grade bearing steel, this single-row radial bearing minimizes vibration and extends service life, addressing the need for durable components that reduce maintenance downtime.Non-aligning design ensures stable operation in automotive wheel assemblies, meeting P0-P4 precision standards for optimal fit and functionOpen seals type allows for flexible lubrication options (oil, grease, dry), catering to diverse application requirementsBacked by our ISO 9001:2015 quality certification and 12-month warranty, providing peace of mind for both OEM/ODM projects and bulk replacements

Needle Roller Bearing NK30/30 30x40x30mm P0-P4 Precision for Industrial Machinery
Needle Roller Bearings

Needle Roller Bearing NK30/30 30x40x30mm P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with the Needle Roller Bearing NK30/30, engineered to deliver reliable performance even under heavy radial loads. This 30x40x30mm radial bearing, crafted from high-grade bearing steel, maintains P0-P4 precision to minimize vibration and extend equipment lifespan, addressing the challenge of maintaining consistent operational efficiency in demanding industrial environments.Designed without inner/outer rings for space-saving integration in compact mechanical assemblies, ideal for machine tools and textile equipmentSupports both grease and oil lubrication to adapt to diverse operating conditions, ensuring flexibility in maintenance routinesBacked by our ISO 9001-certified manufacturing process, with 3-7 day delivery to keep your production on schedule

High Precision Lmek8uu Lmek12uu Lmek16uu Lmek20uu Lmek25uu Flange Linear Bearings for Industrial Machinery
Unclassified

High Precision Lmek8uu Lmek12uu Lmek16uu Lmek20uu Lmek25uu Flange Linear Bearings for Industrial Machinery

Ensure smooth, precise linear motion in your industrial machinery with these Flange Linear Bearings, engineered to eliminate jitter and extend equipment lifespan. Available in LMEK8UU, LMEK12UU, LMEK16UU, LMEK20UU, and LMEK25UU models, these alloy bearings deliver consistent performance even under continuous operation, addressing common wear issues in high-precision applications.Alloy construction ensures durability for heavy-duty machinery, while the LM series design guarantees easy integration with standard linear shaftsOEM/ODM support allows customization to fit unique equipment specifications, reducing downtime from ill-fitting componentsBacked by Saifan’s strict quality control and 12-month warranty, these bearings maintain precision (P0-P4 grade) for reliable, long-term operation

Needle Roller Bearing RNAV4903-RNAV4907 for Industrial Machinery High Precision P0-P4
Needle Roller Bearings

Needle Roller Bearing RNAV4903-RNAV4907 for Industrial Machinery High Precision P0-P4

Ensure smooth, precise rotation in your industrial machinery with our high precision Needle Roller Bearing RNAV4903-RNAV4907, engineered to deliver reliable performance even under demanding conditions. Crafted from premium bearing steel and available in P0-P4 precision grades, this 22*30*13 mm radial bearing minimizes vibration and extends equipment lifespan, addressing common concerns of unstable operation in heavy-duty applications.Closed design with grease/oil lubrication options ensures low maintenance and consistent performance in textile machinery, printing equipment, and reducersWithout inner/outer ring construction optimizes space efficiency while maintaining Z2-Z4 noise grade standards for quiet operationBacked by ISO 9001:2015 certification and 12-month warranty, with flexible OEM/ODM support to match your exact specifications

Deep Groove Ball Bearing 6056 280x420x65mm for Auto Parts, NTN Original
Ball Bearing

Deep Groove Ball Bearing 6056 280x420x65mm for Auto Parts, NTN Original

Ensure smooth, reliable rotation in auto parts with the Deep Groove Ball Bearing 6056, designed to deliver long-lasting performance under demanding conditions. This NTN original bearing (280x420x65mm) minimizes downtime by maintaining precise radial load handling, making it ideal for high-stress automotive applications where consistency is non-negotiable.Single-row design with 0° contact angle ensures optimal load distribution and reduced friction, extending component lifespanConstructed from premium bearing steel for enhanced durability, meeting strict industry standards for auto part reliabilityPerfect fit for automotive transmission systems, providing stable operation even in fluctuating temperature environments

Angular Contact Ball Bearing QJ209M 45x85x19mm P0-P4 Precision for Automobile Rolling Mill
Ball Bearing

Angular Contact Ball Bearing QJ209M 45x85x19mm P0-P4 Precision for Automobile Rolling Mill

Ensure smooth, high-precision rotation in your automobile rolling mill with the Angular Contact Ball Bearing QJ209M, engineered to deliver reliable performance under heavy loads. This 45x85x19mm bearing minimizes downtime with its P0-P4 precision rating and Z1V1-Z3V3 vibration control, addressing the critical need for stable machinery operation in industrial settings.Single-row, unseparated design with bearing steel construction ensures durability and consistent radial load handlingGrease or oil lubrication flexibility adapts to your maintenance routine, while in-stock availability means quick fulfillment for urgent production needsBacked by Saifan’s ISO-certified quality control, this bearing integrates seamlessly into automotive and metallurgy applications, reducing the risk of unexpected failures

Cylindrical Roller Bearing NU2217EM NUP2217EM for Industrial Machinery High Precision P0-P4
Roller Bearing

Cylindrical Roller Bearing NU2217EM NUP2217EM for Industrial Machinery High Precision P0-P4

Ensure smooth, precise rotation for your industrial machinery with our Cylindrical Roller Bearing NU2217EM NUP2217EM, engineered to deliver P0-P4 precision and reliable performance in heavy-duty applications. Crafted from high-grade bearing steel with a separated inner ring design, this single-row radial bearing minimizes friction and maximizes load capacity, reducing downtime and extending equipment lifespan.Open seal design allows flexible lubrication (oil, grease, or dry) to adapt to your specific operating conditionsMeets strict ISO standards for dimensional accuracy, ensuring seamless integration with machine tools, reducers, and industrial equipmentBacked by our 12-month warranty and expert technical support, so you can focus on productivity without worrying about bearing performance

1604 Open Ball Bearing 9.525X22.225X7.144mm for Auto Agricultural Machinery
Ball Bearing

1604 Open Ball Bearing 9.525X22.225X7.144mm for Auto Agricultural Machinery

Keep your auto and agricultural machinery running smoothly with the 1604 open ball bearing, engineered to deliver reliable performance in demanding conditions. This single-row radial bearing ensures precise rotation and extended service life, addressing the need for durable components that minimize downtime. Dimensions: 9.525X22.225X7.144mm for precise fit in agricultural equipment and automotive applications Unseparated design maintains structural integrity under heavy loads, ideal for tractors, harvesters, and vehicle传动系统 Made from high-grade bearing steel to withstand wear and corrosion, backed by Saifan's strict quality control and 12-month warranty

Tapered Roller Bearings HR33030J HR33108J HR33109J P0-P4 Precision for Industrial Machinery
Roller Bearing

Tapered Roller Bearings HR33030J HR33108J HR33109J P0-P4 Precision for Industrial Machinery

Boost your industrial machinery's reliability with Tapered Roller Bearings designed for precision performance—HR33030J, HR33108J, and HR33109J models deliver P0-P4 accuracy to minimize downtime and extend equipment lifespan. Crafted to handle heavy radial and axial loads, these bearings ensure smooth, consistent rotation even in high-stress industrial environments, addressing the critical need for stable operation in demanding applications.Precision ratings from P0 to P4 (Z1V1-Z3V3 vibration control) for tight tolerance requirements in machine tools, reducers, and heavy-duty equipmentFlexible lubrication options (grease or oil) and robust 150*225*59mm sizing (HR33030J) to fit diverse industrial setupsBacked by Saifan's ISO 9001-certified manufacturing and 12-month warranty, ensuring long-term performance you can trust

Rolled Ball Screw SFU2505-4 SFU2510-4 for Automatic Controlling Machine with OEM ODM Service
Unclassified

Rolled Ball Screw SFU2505-4 SFU2510-4 for Automatic Controlling Machine with OEM ODM Service

Ensure smooth, precise motion control for your automatic controlling machine with our Rolled Ball Screw SFU2505-4 SFU2510-4, designed to eliminate lag and enhance operational efficiency in high-demand industrial settings. Crafted from durable alloy and part of the trusted LM Series, these screws deliver consistent performance even under continuous use, addressing the need for reliable components that minimize downtime.Engineered with a 4-start design for optimized torque distribution and faster linear speed, ideal for precision-driven applicationsSupports OEM/ODM customization to match specific machine requirements, from thread pitch adjustments to housing modificationsBacked by our strict quality control processes and 12-month warranty, ensuring long-term stability for your production line

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