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
Needle Roller Bearings RNAV4013-RNAV4017 P0-P4 Precision for Industrial Machinery
Needle Roller Bearings

Needle Roller Bearings RNAV4013-RNAV4017 P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with our Needle Roller Bearings RNAV4013-RNAV4017, engineered to deliver P0-P4 precision for reliable performance under demanding conditions. Crafted from high-grade bearing steel and designed without inner/outer rings, these radial bearings reduce maintenance interruptions while supporting heavy radial loads—ideal for machine tools, textile equipment, and printing machinery where stability directly impacts productivity.Precision ratings from P0 to P4 ensure minimal vibration and extended service life, addressing the need for consistent operation in high-stakes industrial settingsFlexible lubrication options (grease or oil) and clearance grades (C0/C3/C4) allow customization to match your specific machinery requirementsReady to ship in 3-7 days with OEM/ODM support, keeping your production timeline on track without compromising quality

Self-Aligning Roller Bearing 22205cc CK CA with Long Life for Industrial Machinery
Roller Bearing

Self-Aligning Roller Bearing 22205cc CK CA with Long Life for Industrial Machinery

Ensure smooth, long-lasting operation for your industrial machinery with our Self-Aligning Roller Bearing 22205cc CK CA—engineered to minimize downtime and enhance rotational precision. This high-performance bearing adapts to misalignment, reducing stress on equipment while delivering consistent low noise operation, making it ideal for heavy-duty applications where reliability is non-negotiable.Precision grade options (P0-P4) and clearance levels (C0/C3/C4) ensure optimal fit for your specific machinery requirementsConstructed with premium bearing steel for extended service life, tackling wear and heavy loads with easeDouble-row roller design provides superior radial load capacity, critical for industrial equipment stabilityBacked by our 12-month warranty and technical support, giving you confidence in every rotation

Automobile Air Conditioning Compressor Bearing 40BD219DU for Forland 2000 3000 Nissan Ford Mazda Low Noise 40x62x24mm
Automotive Air Conditioning Compressor Bearing

Automobile Air Conditioning Compressor Bearing 40BD219DU for Forland 2000 3000 Nissan Ford Mazda Low Noise 40x62x24mm

Enjoy quieter, smoother rides with the Automobile Air Conditioning Compressor Bearing 40BD219DU, engineered to eliminate distracting AC noise and ensure reliable performance in Forland 2000/3000, Nissan, Ford, and Mazda vehicles. Crafted from high-grade bearing steel with precision P0-P4 ratings, this 40x62x24mm double-row radial bearing delivers long-lasting durability even under high-speed conditions, reducing the need for frequent replacements.Low noise design (Z2-Z4 grade) for a more comfortable driving experiencePerfect fit for automotive AC compressors, ensuring seamless integration with your vehicle’s systemBacked by our 12-month warranty and expert technical support for peace of mind

High Quality Deep Groove Ball Bearing P0-P4 Precision for Auto Motorcycle Parts
Ball Bearing

High Quality Deep Groove Ball Bearing P0-P4 Precision for Auto Motorcycle Parts

Ensure smooth, long-lasting rotation for your auto and motorcycle parts with our High Quality Deep Groove Ball Bearing. Engineered to P0-P4 precision grades and Z1V1-Z3V3 vibration standards, this bearing delivers reliable performance that reduces maintenance downtime and enhances machinery lifespan. Precision-crafted for automotive and motorcycle applications, ensuring optimal fit and reduced noise in critical components Supports OEM/ODM customization to match your specific size and performance requirements, backed by decades of manufacturing expertise Constructed with high-grade materials to withstand heavy loads and extreme conditions, meeting ISO industrial standards for consistent quality Trust in a bearing that keeps your operations running seamlessly—ideal for distributors and manufacturers seeking durable, precision-engineered components.

Self-Aligning Roller Bearing 22211CDE4 22211CDKE4 P0-P4 Precision for Industrial Machinery
Roller Bearing

Self-Aligning Roller Bearing 22211CDE4 22211CDKE4 P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with the Self-Aligning Roller Bearing 22211CDE4, engineered to minimize downtime and enhance operational stability. This P0-P4 precision bearing handles radial loads effortlessly while accommodating misalignment, making it ideal for heavy-duty equipment like conveyors and pumps.Double-row roller design with C0/C3/C4 clearance options for tailored performance in diverse industrial settingsConstructed from high-grade bearing steel (55*100*25mm dimensions) to deliver long service life even under rigorous conditionsSupports OEM/ODM customization to match your exact specifications, backed by our ISO 9001-certified quality control

Linear Motion Guide Rail HSR15A with Dustproof Slider for High-Speed Industrial Machinery
Linear Bearing

Linear Motion Guide Rail HSR15A with Dustproof Slider for High-Speed Industrial Machinery

Boost your high-speed industrial machinery’s performance with the Linear Motion Guide Rail HSR15A, engineered to deliver smooth, precise movement even in demanding production environments. Its dustproof slider design ensures minimal maintenance interruptions, letting your equipment run longer with consistent accuracy—exactly what you need to keep operations on track.Alloy construction paired with insulating and antiseptic features guarantees durability, while low noise operation enhances workplace comfortCertified to ISO 9001 standards, this guide rail meets rigorous quality benchmarks for reliable, long-term use in industrial settingsPerfect for applications requiring high-speed stability, from automated assembly lines to precision machining centers

22338 22340 22344 22348 22336 Spherical Roller Bearing with High Load Capacity for Industrial Machinery
Roller Bearing

22338 22340 22344 22348 22336 Spherical Roller Bearing with High Load Capacity for Industrial Machinery

Ensure smooth, heavy-duty industrial machinery operation with our Spherical Roller Bearing—engineered to handle extreme loads and misalignment, reducing downtime for manufacturers and distributors. Available in models 22336, 22338, 22340, 22344, and 22348, these bearings deliver P0 precision and C0/C3/C4 clearance options to match your specific equipment needs.High-grade bearing steel construction ensures long service life even in harsh industrial environmentsSelf-aligning design compensates for shaft deflection, critical for machinery like reducers and excavatorsSupports OEM/ODM customization with flexible MOQ—ideal for bulk orders or specialized applications

Miniature Deep Groove Ball Bearing 685 (8x22x7) GCr15 Steel for Fertilizer Processing Equipment
Ball Bearing

Miniature Deep Groove Ball Bearing 685 (8x22x7) GCr15 Steel for Fertilizer Processing Equipment

Ensure smooth, reliable operation in your fertilizer processing equipment with our Miniature Deep Groove Ball Bearing 685. Crafted from high-grade GCr15 steel (8x22x7 dimensions), this bearing delivers consistent performance under the dusty, high-load conditions common in agricultural machinery—minimizing unexpected downtime and keeping your production line running efficiently. Precision-engineered to P0-P4 standards with Z1V1-Z3V3 vibration control, ensuring quiet, stable rotation even in continuous-use scenarios Available with Zz, 2RS, or Open seals to suit your lubrication needs (grease or oil), providing flexible installation options for specific equipment requirements Backed by our 12-month warranty and technical support, so you can trust in long-term durability and responsive service when you need it most

Self-Aligning Roller Bearing 24122EAE4 24124EAE4 Double Row for Industrial Machinery
Roller Bearing

Self-Aligning Roller Bearing 24122EAE4 24124EAE4 Double Row for Industrial Machinery

Ensure smooth, reliable operation for your industrial machinery with our Self-Aligning Roller Bearing—engineered to minimize downtime and handle heavy radial loads with precision. This double row 24122EAE4/24124EAE4 model (110x180x69mm) adapts to shaft misalignment, reducing wear on connected components and extending equipment lifespan.Precision grades from P0 to P4 and clearance options (C0/C3/C4) meet strict industrial standards, ideal for machine tools, reducers, and heavy-duty equipmentConstructed with high-grade bearing steel for consistent performance under extreme conditions, backed by our 12-month warranty and responsive technical supportFlexible order options—including 1pc MOQ for standard bearings—ensure you get the right part when you need it, without excess inventory costs

High Precision NTN N2317EM Cylindrical Roller Bearing for Industrial Machinery 85x180x60mm
Roller Bearing

High Precision NTN N2317EM Cylindrical Roller Bearing for Industrial Machinery 85x180x60mm

Ensure smooth, high-precision rotation in your industrial machinery with the High Precision Cylindrical Roller Bearing NTN N2317EM, engineered to deliver reliable performance even under heavy radial loads. This 85x180x60mm bearing features separated inner and outer rings for easy installation and maintenance, making it ideal for machine tools, reducers, and other industrial equipment where precision and durability are non-negotiable. Precision rating options from P0 to P2 and vibration grades Z1V1 to Z3V3 ensure compatibility with demanding operational requirements Constructed with high-grade bearing steel for extended service life, reducing downtime and replacement costs Supports both grease and oil lubrication, offering flexibility to adapt to your specific application needs Backed by NTN’s legacy of quality and our commitment to reliable supply, this bearing keeps your machinery running at peak efficiency—no compromises on performance or peace of mind.

618/670 Deep Groove Ball Bearing Single Row Radial Bearing 670x820x69mm Machinery Parts
Ball Bearing

618/670 Deep Groove Ball Bearing Single Row Radial Bearing 670x820x69mm Machinery Parts

Ensure smooth, reliable rotation in your industrial machinery with the 618/670 deep groove ball bearing, engineered to deliver consistent performance under heavy radial loads. This single row radial bearing (670x820x69mm) minimizes downtime with its high-grade bearing steel construction and precision 0° contact angle, ideal for machine tools, reducers, and other industrial equipment where stability is critical.Seamlessly handles radial loads while maintaining low friction, extending your machinery's service lifePrecision dimensions (670x820x69mm) ensure perfect fit for demanding applications, reducing installation time and errorsBacked by Saifan's strict quality control and 12-month warranty, giving you confidence in every turn

Tapered Roller Bearings 32210 33210 30310 P0-P4 Precision for Industrial Machinery
Roller Bearing

Tapered Roller Bearings 32210 33210 30310 P0-P4 Precision for Industrial Machinery

Ensure smooth, reliable rotation in your industrial machinery with Tapered Roller Bearings 32210 33210 30310—engineered to deliver consistent performance under heavy loads and high precision demands. Crafted with P0-P4 precision grades and Z1V1-Z3V3 vibration control, these bearings minimize downtime and extend equipment lifespan, even in the most demanding manufacturing environments.Precision-machined 50*90*23 mm dimensions ensure perfect compatibility with industrial gearboxes, reducers, and heavy-duty machineryGrease or oil lubrication flexibility adapts to your maintenance protocols, reducing operational disruptionsBacked by ISO 9001:2015 quality assurance and our 12-month warranty, so you can trust every turn to power your production without unexpected failures

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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T/T · L/C · Alibaba

Flexible payment terms