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
Cylindrical Roller Bearing N319EM NJ319EM NF319EM NU319EM for Industrial Machinery 95x200x45mm P0-P4 Precision
Roller Bearing

Cylindrical Roller Bearing N319EM NJ319EM NF319EM NU319EM for Industrial Machinery 95x200x45mm P0-P4 Precision

Ensure smooth, precise rotation in your industrial machinery with our high-performance Cylindrical Roller Bearing, engineered to deliver reliable operation even under heavy loads. This N319EM/NJ319EM/NF319EM/NU319EM series bearing (95x200x45mm) features P0-P4 precision grades to minimize vibration and extend equipment lifespan, addressing the critical need for stable performance in demanding manufacturing environments.Separated inner/outer ring design allows easy mounting and dismounting, simplifying maintenance for machine operatorsPremium bearing steel construction ensures durability, while Z1V1-Z3V3 vibration grades reduce noise in high-speed applicationsSupports both OEM/ODM customization and quick sample orders (3-5 working days), backed by a 12-month warranty for long-term peace of mind

Deep Groove Ball Bearing 6004 6203 6205 6310/C3 for Agricultural Auto Trailer with OEM Service
Ball Bearing

Deep Groove Ball Bearing 6004 6203 6205 6310/C3 for Agricultural Auto Trailer with OEM Service

Keep your agricultural and auto trailers rolling smoothly with our Deep Groove Ball Bearing—engineered for high-speed performance and low noise to minimize downtime during critical operations. Available in models 6004, 6203, 6205, and 6310/C3, these bearings deliver long-lasting reliability with precision ratings from P0 to P4, ensuring a perfect fit for your equipment’s specific load and speed demands.Constructed with high-grade bearing steel and available in ZZ, 2RS, or Open seals, they handle radial loads effortlessly while maintaining consistent clearance (C0/C2/C3) for optimal performance in harsh conditions.Backed by our ISO 9001:2015 certified manufacturing, each bearing undergoes strict quality checks to guarantee stable rotation and extended service life, reducing the need for frequent replacements.Supports OEM customization to match your exact specifications, with flexible MOQ and fast 3-5 day sample delivery—ideal for keeping your production line on track.

Dac45800045 Low Friction Wheel Hub Bearing 45bwd06 for Motorcycle Auto Parts
Automotive Bearing

Dac45800045 Low Friction Wheel Hub Bearing 45bwd06 for Motorcycle Auto Parts

Experience smoother rides and longer component life with the Dac45800045 low friction wheel hub bearing, engineered to reduce energy loss and minimize wear for motorcycle and auto applications. Crafted from high-grade bearing steel with P0-P4 precision ratings, this 45bwd06 bearing delivers consistent performance under radial loads, making it ideal for both daily commuting and heavy-duty use.Non-aligning cylindrical structure ensures stable rotation even in high-vibration environmentsOpen seal design allows for easy lubrication maintenance, extending service intervals and reducing downtimeSingle row configuration optimized for compact installations, fitting seamlessly into 70*180*42mm specificationsBacked by our ISO-certified manufacturing process, guaranteeing reliability you can trust for every mile

Needle Roller Bearing NK60/25 60x72x25mm P0-P4 Precision for Industrial Machinery
Needle Roller Bearings

Needle Roller Bearing NK60/25 60x72x25mm P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with the Needle Roller Bearing NK60/25 (60x72x25mm). Engineered for radial load handling, this bearing delivers consistent performance across P0-P4 precision grades, reducing downtime and extending equipment lifespan.Closed design with bearing steel construction ensures durability in heavy-duty applicationsFlexible lubrication options (grease or oil) adapt to diverse operating conditionsSupports OEM/ODM customization to match your specific machinery requirementsFast 3-7 day delivery keeps your production on schedule

Linear Guide Slider Square Lengthened Flange HGW35CA HGW45CA HGW55CA HGW65CA for Automobile Rolling Mill
Linear Bearing

Linear Guide Slider Square Lengthened Flange HGW35CA HGW45CA HGW55CA HGW65CA for Automobile Rolling Mill

Ensure smooth, precise motion in your automobile rolling mill with our Linear Guide Slider—engineered to minimize downtime and enhance operational stability. The square lengthened flange design of HGW35CA, HGW45CA, HGW55CA, and HGW65CA models delivers exceptional load-bearing capacity, making them ideal for heavy-duty industrial applications.Bearing steel construction guarantees long service life even under high-stress conditions, addressing common concerns about durability in demanding machinery.Precision ratings from P0 to P2 ensure consistent performance, while Z1V1 to Z3V3 vibration control reduces noise and wear during continuous operation.Supports both grease and oil lubrication for flexible maintenance, with OEM/ODM customization available to match your specific equipment requirements.

High-Precision Thrust Ball Bearing 51205 51305 for Vertical Water Pump with ISO9001
Ball Bearing

High-Precision Thrust Ball Bearing 51205 51305 for Vertical Water Pump with ISO9001

Ensure smooth, long-lasting vertical water pump operation with our High-Precision Thrust Ball Bearing, engineered to handle axial loads and minimize downtime in demanding pumping systems. Available in models 51205 and 51305, this bearing combines P0-P4 precision grades and Z1V1-Z3V3 vibration control to deliver consistent performance, even under heavy vertical pressure.Separated design allows easy installation and maintenance, reducing service time for industrial equipmentGrease or oil lubrication flexibility adapts to your specific operational needs, ensuring optimal friction reductionISO9001:2015 certified (upgraded from 2008) for reliable quality, backed by a 12-month warranty for peace of mind

Stainless Steel Deep Groove Ball Bearing S6202ZZ 15x35x11mm Low Noise Auto Parts
Ball Bearing

Stainless Steel Deep Groove Ball Bearing S6202ZZ 15x35x11mm Low Noise Auto Parts

Experience smoother, quieter auto performance with our Stainless Steel Deep Groove Ball Bearing S6202ZZ—engineered to reduce vibration and extend component life in demanding automotive environments. Crafted to precise 15x35x11mm dimensions, this single-row radial bearing delivers reliable radial load support, making it ideal for wheel hubs, transmissions, and auxiliary systems where durability meets low noise operation.Stainless steel construction resists corrosion and wear, ensuring consistent performance even in harsh conditionsUnseparated design maintains structural integrity for seamless installation and maintenanceMeets ISO standards for precision, backed by our 12-month warranty and expert technical support

Taper Roller Bearing 32019 32203-32209 P0-P4 Precision for Industrial Machinery
Roller Bearing

Taper Roller Bearing 32019 32203-32209 P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation for your industrial machinery with our high-performance Taper Roller Bearing series, including models 32019, 32203-32209, engineered to deliver P0-P4 precision and Z1V1-Z3V3 vibration control. Crafted with premium chrome steel and advanced manufacturing techniques, these bearings minimize downtime and extend equipment lifespan, even under heavy loads.Precision ratings from P0 to P4 meet ISO/ABMA standards, ideal for machine tools, reducers, and printing equipmentFlexible lubrication options (grease or oil) adapt to diverse operating conditionsSupports OEM/ODM customization to match specific dimensional requirements, backed by our 12-month warranty and responsive technical support

High Precision Double Row Cylindrical Roller Bearings NN3030 NN3032 NN3034 P4 W33 for Industrial Machinery
Roller Bearing

High Precision Double Row Cylindrical Roller Bearings NN3030 NN3032 NN3034 P4 W33 for Industrial Machinery

Ensure smooth, precise rotation for your industrial machinery with our High Precision Cylindrical Roller Bearings. Engineered to deliver exceptional radial load capacity and minimal vibration, these double row NN3030, NN3032, and NN3034 bearings (P4 precision grade, W33 design) reduce downtime and extend equipment lifespan—even under heavy operating conditions.Separated inner/outer rings allow easy mounting and maintenance, a critical feature for industrial setups requiring quick part replacementConstructed with high-grade bearing steel and precision-ground raceways to meet ISO standards, ensuring consistent performance in machine tools, reducers, and heavy-duty equipmentAvailable with flexible MOQ and fast 3-5 day sample delivery, supporting your production timelines without compromising on quality

694 695 696 Deep Groove Ball Bearings for Textile Equipment, P0-P4 Precision, Z1V1-Z3V3 Vibration
Ball Bearing

694 695 696 Deep Groove Ball Bearings for Textile Equipment, P0-P4 Precision, Z1V1-Z3V3 Vibration

Ensure smooth, precise operation of your textile equipment with these Textile Equipment Bearings—engineered to minimize vibration and maximize durability for uninterrupted production. Our 694, 695, 696 deep groove ball bearings deliver P0-P4 precision and Z1V1-Z3V3 vibration control, reducing machine wear and extending service life even in high-speed textile manufacturing environments.Grease or oil lubrication options adapt to diverse textile machinery requirements, ensuring optimal performance under varying loadsStrict ISO-certified quality control guarantees consistent dimensional accuracy (4*11*4mm specification) for seamless integrationSupports OEM/ODM customization to match specific textile equipment models, eliminating compatibility concerns

Needle Roller Bearing NATV Series with Bolt Long Life High Speed P0-P4 Precision for Industrial Machinery
Needle Roller Bearings

Needle Roller Bearing NATV Series with Bolt Long Life High Speed P0-P4 Precision for Industrial Machinery

Ensure smooth, high-precision operation for your industrial machinery with our Needle Roller Bearing NATV Series, engineered to deliver extended service life and reliable performance even at high speeds. Crafted from premium bearing steel with P0-P4 precision ratings and Z1-Z4 vibration control, this bearing minimizes downtime and reduces maintenance costs by maintaining consistent rotation under demanding conditions.Designed for industrial machinery applications requiring compact design without sacrificing load capacityLow noise operation enhances workplace environment while ensuring stable performanceSupports OEM/ODM customization to match specific equipment requirements, backed by our ISO 9001:2015 quality assurance

51105 51106 51107 51108 51109 Thrust Ball Bearings for Industrial Machinery, P0-P4 Precision
Ball Bearing

51105 51106 51107 51108 51109 Thrust Ball Bearings for Industrial Machinery, P0-P4 Precision

Ensure smooth, precise rotation in industrial machinery with our Thrust Ball Bearings, available in 51105 to 51109 models (P0-P4 precision). These single-row, separated bearings handle axial loads effortlessly, reducing wear on equipment and minimizing unplanned downtime—so your production line stays running at peak efficiency.Grease or oil lubrication options for versatile installation, with Z1V1-Z3V3 vibration grades to meet strict noise control needsMade from high-grade bearing steel for extended service life, backed by ISO 9001:2015 certification for consistent qualityStock availability ensures quick 3-5 day delivery, perfect for urgent maintenance or production demands

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