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 HK4520 45x52x20mm P0-P4 Precision for Industrial Machinery
Needle Roller Bearings

Needle Roller Bearings HK4520 45x52x20mm P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with Needle Roller Bearings HK4520 45x52x20mm—engineered to deliver P0-P4 precision for reliable performance under heavy loads. Crafted from high-grade bearing steel, this radial bearing (without outer ring) minimizes friction to extend equipment lifespan, addressing the challenge of maintaining consistent operation in demanding industrial environments.Precision rating options (P0-P4) and clearance grades (C0/C3/C4) allow customization to match your machinery’s exact requirementsGrease or oil lubrication flexibility ensures adaptability to diverse operating conditions3-7 day delivery keeps your production timeline on track, backed by Saifan’s ISO 9001-certified quality control

Tapered Roller Bearing 32314 70x150x51mm P0-P4 Precision for Industrial Machinery
Roller Bearing

Tapered Roller Bearing 32314 70x150x51mm P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation for your industrial machinery with the Tapered Roller Bearing 32314, engineered to deliver reliable performance even under heavy loads. This 70x150x51mm bearing, available in P0-P4 precision grades, minimizes downtime by maintaining consistent operation across demanding applications like machine tools and reducers.Grease or oil lubrication flexibility adapts to your maintenance routine, while Z1V1-Z3V3 vibration control ensures quiet, stable runningHigh-grade chrome steel construction extends service life, directly addressing the need for durable components in high-stress industrial environmentsBacked by our ISO 9001:2015 quality certification and 12-month warranty, with OEM/ODM customization available to match your exact specifications

Wheel Hub Bearings for Toyota DAC40720037 DAC40720637 DAC40730034 Stainless Steel P5 Precision
Automotive Bearing

Wheel Hub Bearings for Toyota DAC40720037 DAC40720637 DAC40730034 Stainless Steel P5 Precision

Ensure smooth, long-lasting performance for your Toyota with these Stainless Steel P5 Precision Wheel Hub Bearings. Engineered to reduce vibration and extend service life, they’re built to handle the demands of daily driving while maintaining tight tolerances critical for reliable wheel rotation. The DAC40720037, DAC40720637, and DAC40730034 models feature C3 clearance for optimal thermal expansion management, a detail that ensures consistent operation even under varying temperature conditions.Stainless steel construction resists corrosion, ideal for all-weather environmentsP5 precision grade minimizes noise and maximizes stability at high speedsDirect fit for Toyota applications, eliminating guesswork during installationBacked by ISO 9001 certification and our commitment to quality craftsmanship

Deep Groove Ball Bearing 6836 6936 Zz 2RS DDU for Automotive Parts P0-P4 Precision
Ball Bearing

Deep Groove Ball Bearing 6836 6936 Zz 2RS DDU for Automotive Parts P0-P4 Precision

Ensure smooth, long-lasting performance for your automotive parts with our Deep Groove Ball Bearing 6836 6936, designed to deliver reliable rotation even under demanding conditions. Crafted from high-grade bearing steel and available in P0-P4 precision grades (ABEC1-9), this 180x225x22mm bearing minimizes vibration and extends equipment lifespan—perfect for maintaining consistent operation in critical systems. Choose from Zz, 2RS, or DDU seals to suit your environment, ensuring optimal protection against contaminants and lubrication retention Backed by our ISO 9001:2015 certified manufacturing process, guaranteeing stability and compatibility with automotive applications Flexible customization options (OEM/ODM) let you tailor specifications to your exact needs, reducing downtime and enhancing system efficiency

Deep Groove Ball Bearing 6213 6313 6413 for Plastic Machinery, Chemical Fiber Equipment
Ball Bearing

Deep Groove Ball Bearing 6213 6313 6413 for Plastic Machinery, Chemical Fiber Equipment

Keep your plastic machinery and chemical fiber equipment running smoothly with our Deep Groove Ball Bearing 6213 6313 6413, designed to minimize downtime and boost operational efficiency. Crafted from high-grade bearing steel, these single-row radial bearings deliver reliable performance under continuous load, addressing the need for consistent rotation in demanding industrial environments.Unseparated structure ensures stable operation, ideal for precision-dependent machinery like extruders and spinning framesEngineered to meet P0-P4 precision standards, reducing vibration and extending equipment service lifeSupports both standard and custom orders with flexible MOQ—get the exact quantity you need without excess inventory

Self-Aligning Roller Bearing 22238EK 22240EK 22244EK 22248EK for Industrial Machinery with P0-P4 Precision
Roller Bearing

Self-Aligning Roller Bearing 22238EK 22240EK 22244EK 22248EK for Industrial Machinery with P0-P4 Precision

Ensure smooth, reliable operation for your industrial machinery with our Self-Aligning Roller Bearing series (22238EK, 22240EK, 22244EK, 22248EK), engineered to deliver P0-P4 precision and adapt to misalignment in heavy-duty applications. Crafted from high-grade bearing steel with C0/C3/C4 clearance options, these bearings reduce downtime by maintaining stable performance even under radial loads, making them ideal for machine tools, reducers, and agricultural equipment.Precision ratings from P0 to P4 ensure compatibility with high-precision industrial machinerySelf-aligning design compensates for shaft deflection, extending equipment lifespanGrease or oil lubrication flexibility suits diverse operating conditionsBacked by ISO 9001:2015 quality standards for consistent reliability

High Precision Cylindrical Roller Bearing NUP307EM for Industrial Machinery 35x80x21mm
Roller Bearing

High Precision Cylindrical Roller Bearing NUP307EM for Industrial Machinery 35x80x21mm

Ensure smooth, precise rotation in your industrial machinery with the High Precision Cylindrical Roller Bearing NUP307EM—engineered to deliver reliable performance under radial loads. Crafted from high-grade bearing steel with a 35x80x21mm dimension, this separated-type radial bearing minimizes vibration (Z1V1-Z3V3) and maintains stability across P0-P4 precision grades, reducing costly downtime for manufacturers.Optimized for machinery like reducers and printing equipment, its separable inner/outer ring design simplifies installation and maintenanceSupports both grease and oil lubrication to adapt to diverse operating conditions, ensuring long service life even in heavy-duty applicationsBacked by Saifan’s ISO 9001-certified quality control, this cylindrical roller bearing balances durability and precision for seamless industrial operation

Insert Bearing UCPH330 High Load Deep Groove Raceway for Industrial Machinery
Housing Bearings

Insert Bearing UCPH330 High Load Deep Groove Raceway for Industrial Machinery

Ensure smooth, high-load performance for your industrial machinery with the Insert Bearing UCPH330. Its deep groove raceway design minimizes friction under heavy loads, reducing downtime and extending equipment lifespan—perfect for machine tools, printing presses, and other precision-dependent operations.Engineered with bearing steel construction and P0-P4 precision ratings to maintain stability even in continuous operationGrease or oil lubrication flexibility adapts to your maintenance routine, while Z1V1-Z3V3 vibration control ensures quiet, reliable rotationBacked by our 12-month global warranty and responsive technical support, so you can focus on production without worrying about component failures

Tapered Roller Bearing 33119 for Auto Parts, 95x160x49mm, P0-P4 Precision Grade
Truck Bearings

Tapered Roller Bearing 33119 for Auto Parts, 95x160x49mm, P0-P4 Precision Grade

Ensure smooth, precise rotation in automotive applications with the Tapered Roller Bearing 33119, engineered to deliver reliable performance and extended service life for auto parts. This 95x160x49mm bearing combines high-grade materials with strict quality control to minimize downtime and maintain consistent operation under varying loads.Available in P0-P4 precision grades to meet exacting automotive standards, ensuring optimal fit and reduced vibrationSingle-row open design allows for efficient lubrication (oil, grease, or dry) and easy maintenance, a critical detail for seamless integration into transmission systemsBacked by ISO 9001:2015 certification and our 12-month warranty, offering peace of mind for both OEM production and aftermarket replacement needs

Plastic Pillow Block Housing Bearing Ucf208 Corrosion Resistant for Equipment
Housing Bearings

Plastic Pillow Block Housing Bearing Ucf208 Corrosion Resistant for Equipment

Keep your equipment running smoothly in harsh environments with our Plastic Pillow Block Housing Bearing Ucf208—the corrosion-resistant solution that minimizes downtime and extends machinery life. This precision-engineered insert bearing features a deep groove raceway for consistent performance, paired with a durable plastic housing that stands up to moisture, chemicals, and temperature extremes. Ideal for industrial applications where reliability and low maintenance are critical, it offers P0-P4 precision ratings to match your exact operational needs. Single-row design ensures stable load distribution, reducing vibration (Z1V1-Z3V3 options) for quieter operation Grease or oil lubrication flexibility adapts to your maintenance routine, keeping things spinning longer Rich stock availability means fast delivery—no waiting for critical replacements

Durable NTN 618/670Q1 Deep Groove Ball Bearing 670x820x29mm for Machinery
Ball Bearing

Durable NTN 618/670Q1 Deep Groove Ball Bearing 670x820x29mm for Machinery

Ensure smooth, long-lasting machinery operation with the Durable NTN 618/670Q1 Deep Groove Ball Bearing, designed to handle radial loads with precision in industrial settings. This 670x820x29mm radial bearing delivers reliable performance under heavy use, reducing downtime and maintenance costs for your equipment.Single-row design with 0° contact angle optimizes load distribution, ideal for high-speed machinery applicationsConstructed from premium bearing steel for enhanced durability and resistance to wear, even in demanding working conditionsComplies with international standards, ensuring seamless integration with existing industrial systems and consistent performance

Cylindrical Roller Bearing NJ2305EV/C4 25x62x24mm High Precision P0-P4 for Industrial Machinery
Roller Bearing

Cylindrical Roller Bearing NJ2305EV/C4 25x62x24mm High Precision P0-P4 for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with the Cylindrical Roller Bearing NJ2305EV/C4, engineered to deliver reliable performance under heavy radial loads. This 25x62x24mm high-precision bearing (P0-P4 grade) minimizes downtime with its separated inner/outer ring design, allowing for easy installation and maintenance—perfect for streamlining your equipment’s operational efficiency.C4 clearance accommodates thermal expansion in high-speed applications, ensuring consistent performance even in demanding industrial environments.Constructed from premium bearing steel, it offers extended service life, reducing the need for frequent replacements and lowering long-term maintenance costs.

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