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 Precision Deep Groove Ball Bearing 629/9-Z 9x20x6mm for Industrial Machinery
Ball Bearing

High Precision Deep Groove Ball Bearing 629/9-Z 9x20x6mm for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with this High Precision Deep Groove Ball Bearing 629/9-Z 9x20x6mm. Engineered to deliver consistent performance under demanding conditions, it minimizes downtime and extends equipment lifespan by maintaining tight tolerances and reducing vibration. Crafted from high-grade bearing steel with a single-row, unseparated design, this radial bearing excels in applications requiring reliable load distribution and low friction—ideal for machine tools, conveyors, and precision assemblies.Precision-grade construction ensures stable operation even in high-speed industrial environments9x20x6mm dimensions perfectly fit standard equipment specifications, simplifying replacementSealed design (Z) protects against contaminants, reducing maintenance needs and enhancing durability

High-Precision NSK 51118 51218 Thrust Ball Bearing for Industrial Machinery 90x120x22mm
Ball Bearing

High-Precision NSK 51118 51218 Thrust Ball Bearing for Industrial Machinery 90x120x22mm

Ensure smooth, precise rotation in your industrial machinery with the NSK 51118 thrust ball bearing, engineered to deliver reliable performance under heavy axial loads. This 90x120x22mm high-precision bearing minimizes vibration (Z3V3 grade) and extends equipment lifespan, solving common issues with premature wear in demanding applications.P4 precision rating ensures tight tolerances for consistent operation in machine tools, reducers, and printing equipmentSeparated design allows easy installation and maintenance, saving valuable downtime during servicingGenuine NSK quality with ISO 9001:2015 certification, backed by our 12-month warranty and responsive technical support

Self-Aligning Roller Bearing 23140CDKE4 for Industrial Machinery, Precision P0-P4
Roller Bearing

Self-Aligning Roller Bearing 23140CDKE4 for Industrial Machinery, Precision P0-P4

Ensure smooth, precise rotation for your industrial machinery with the Self-Aligning Roller Bearing 23140CDKE4, engineered to reduce downtime and enhance operational stability. This double-row radial bearing handles misalignment effortlessly, making it ideal for heavy-duty equipment where precision (P0-P4 grades) and durability are non-negotiable.200*340*112 mm specification with C0/C3/C4 clearance options to match your machinery’s exact load and speed requirementsConstructed from high-grade bearing steel for extended service life, even in demanding industrial environmentsSupports OEM/ODM customization to align with unique equipment designs, ensuring seamless integration

Single Row Cylindrical Roller Bearing NJ1010 NJ210E for Industrial Machinery with P0-P4 Precision
Roller Bearing

Single Row Cylindrical Roller Bearing NJ1010 NJ210E for Industrial Machinery with P0-P4 Precision

Ensure smooth, precise rotation in your industrial machinery with our Single Row Cylindrical Roller Bearing, engineered to deliver reliable performance even under heavy radial loads. Designed for models NJ1010 (50*80*16mm) and NJ210E, this bearing minimizes downtime with its separated inner/outer ring structure, making installation and maintenance faster than traditional non-separable designs.P0-P4 precision grades available to match your machinery’s exact accuracy needs, from general industrial use to high-precision equipmentConstructed with premium bearing steel for extended service life, reducing the need for frequent replacementsOpen design allows flexible lubrication options (oil, grease, or dry) to adapt to your specific operating conditions

Wheel Hub Bearings for Toyota Volkswagen Ford – DAC43820045 ZZ 2RS 37x72x37mm P0-P4 Precision
Automotive Bearing

Wheel Hub Bearings for Toyota Volkswagen Ford – DAC43820045 ZZ 2RS 37x72x37mm P0-P4 Precision

Ensure smooth, reliable rotation for your Toyota, Volkswagen, or Ford with precision-engineered Wheel Hub Bearings that deliver consistent performance mile after mile. Crafted to DAC43820045 specifications (37x72x37mm) with P0-P4 precision grades, these double-row radial bearings minimize vibration (Z1V1-Z3V3) and withstand heavy loads, solving common issues with premature wear in daily driving.ZZ/2RS sealing options keep contaminants out, extending service life even in harsh conditionsOEM/ODM support available for custom fits, backed by ISO 9001:2015 quality assuranceStock availability ensures fast 3-5 day delivery, perfect for urgent repairs or bulk orders

Self-Aligning Roller Bearing 22206cc/W33 22206ca/W33 for Papermaking Machinery with Long Life 30x62x20mm
Roller Bearing

Self-Aligning Roller Bearing 22206cc/W33 22206ca/W33 for Papermaking Machinery with Long Life 30x62x20mm

Ensure smooth, long-lasting operation for your papermaking machinery with our Self-Aligning Roller Bearing 22206cc/W33 — designed to minimize downtime and reduce maintenance costs. Crafted to precision 30x62x20mm dimensions with P0-P4 accuracy grades, this bearing handles radial loads effortlessly while accommodating misalignment, a common challenge in high-speed industrial setups.Double-row roller design with C0/C3/C4 clearance options ensures optimal performance under varying load conditionsLow noise (Z2-Z4 grade) and high-speed capabilities keep production lines running quietly and efficientlyPremium bearing steel construction delivers extended service life, addressing the need for reliable, cost-effective machinery components

Self-Aligning Roller Bearings 23218EK-23230EK P0-P4 Precision for Industrial Machinery
Roller Bearing

Self-Aligning Roller Bearings 23218EK-23230EK P0-P4 Precision for Industrial Machinery

Ensure smooth, precise operation in your industrial machinery with our high-performance Self-Aligning Roller Bearings, engineered to minimize downtime and maximize productivity. Available in models 23218EK through 23230EK with P0-P4 precision grades, these double-row bearings deliver exceptional radial load capacity and self-aligning capability to compensate for shaft misalignment—critical for maintaining efficiency in heavy-duty applications like machine tools and reducers. Constructed from premium bearing steel with C0/C3/C4 clearance options, ensuring stable performance and extended service life even under fluctuating loads Unseparated design simplifies installation and reduces maintenance needs, while strict ISO 9001:2015 quality control guarantees consistent reliability batch after batch Supports OEM/ODM customization to match your exact specifications, backed by our 12-month warranty and responsive technical support team

32311 32912 32012 Tapered Roller Bearing P0-P4 Precision for Industrial Machinery
Truck Bearings

32311 32912 32012 Tapered Roller Bearing P0-P4 Precision for Industrial Machinery

Ensure smooth, high-precision rotation for your industrial machinery with our Tapered Roller Bearing series (32311, 32912, 32012), engineered to deliver reliable performance even under heavy loads. Crafted with P0-P4 precision grades and Z1V1-Z3V3 vibration control, these bearings minimize downtime and extend equipment service life, addressing the critical need for consistent operation in demanding industrial environments.Precision-machined to 55*120*43 mm specifications, ideal for machine tools, reducers, and conveyor systemsSupports both grease and oil lubrication, offering flexibility for diverse operational conditionsBacked by our ISO 9001-certified manufacturing process, ensuring every unit meets strict quality standardsAvailable for OEM/ODM customization to match your exact machinery requirements

Thrust Ball Bearings F5-12M F6-12 for Vertical Centrifuge ISO9001 Certified
Ball Bearing

Thrust Ball Bearings F5-12M F6-12 for Vertical Centrifuge ISO9001 Certified

Ensure smooth, long-lasting vertical centrifuge operation with our Thrust Ball Bearings F5-12M F6-12, designed to deliver reliable axial load support and minimize downtime in high-speed industrial applications. Crafted from premium bearing steel with separated raceways for easy installation and maintenance, these ISO9001 certified bearings meet precision grades P0-P4 and vibration levels Z1V1-Z3V3, ensuring consistent performance even under heavy loads.Single-row design with 0° contact angle optimizes thrust load distribution, ideal for vertical centrifuge rotor assembliesGrease or oil lubrication flexibility adapts to diverse operating conditions, reducing friction and extending service lifeIn-stock availability ensures quick 3-5 day sample delivery, supporting your production schedules without delays

Motorcycle Deep Groove Ball Bearing 6000 with Low Noise High Speed for Parts
Ball Bearing

Motorcycle Deep Groove Ball Bearing 6000 with Low Noise High Speed for Parts

Experience smoother rides and quieter performance with our Motorcycle Deep Groove Ball Bearing 6000, engineered to reduce vibration and enhance durability for your motorcycle parts. Crafted with precision grades from P0 to P4 and Z1V1-Z3V3 vibration control, this bearing delivers high-speed stability even under demanding conditions, addressing common issues of wear and noise in daily use.Low noise operation ensures a more comfortable ride, while high-speed capability supports extended use without performance dropPrecision-engineered 25*52*42 mm specification fits seamlessly with standard motorcycle components, reducing installation hassleBacked by our ISO 9001-certified manufacturing, each bearing undergoes strict quality checks to guarantee long service lifeWhether you’re repairing a vintage bike or upgrading components, this bearing combines reliability with the technical specs riders trust—no compromises on performance or fit.

Deep Groove Ball Bearing 6201 10x26x8mm Single Row Radial Bearing Steel for Auto Spare Parts
Ball Bearing

Deep Groove Ball Bearing 6201 10x26x8mm Single Row Radial Bearing Steel for Auto Spare Parts

Ensure smooth, reliable rotation for your auto spare parts with this precision-engineered Deep Groove Ball Bearing 6201. Crafted from high-grade bearing steel, the 10x26x8mm single row radial design delivers consistent performance under radial loads, reducing downtime and extending equipment service life.Optimized for automotive applications, featuring tight tolerance control (P0 precision grade) to minimize vibration and noise during operationSingle row structure ensures easy installation and compatibility with standard auto part assemblies, streamlining maintenance workflowsManufactured to ISO industrial standards, guaranteeing stable performance even in demanding driving conditions

Insert Bearing UC305 UCP305 UCF305 High Load Deep Groove Pillow Block Bearings
Housing Bearings

Insert Bearing UC305 UCP305 UCF305 High Load Deep Groove Pillow Block Bearings

Ensure smooth, high-load machinery operation with our premium Insert Bearing UC305 UCP305 UCF305 High Load Deep Groove Pillow Block Bearings. Crafted from high-grade bearing steel with a deep groove raceway, these units deliver reliable performance under heavy loads, making them ideal for industrial equipment, agricultural machinery, and automotive applications.Precision-engineered to P0-P4 standards with Z1V1-Z3V3 vibration control for minimal noise and extended service life12*47*31mm specification ensures perfect fit for compatible shafts, reducing installation time and downtimeAvailable in P-type bearing blocks with flexible lubrication options (grease or oil) to adapt to your specific working conditionsBacked by our strict quality control and 12-month warranty, so you can focus on productivity without worrying about component 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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Flexible payment terms