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 NUP2322EM 110x240x80mm P0-P4 Precision for Industrial Machinery
Roller Bearing

Cylindrical Roller Bearing NUP2322EM 110x240x80mm P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation for your industrial machinery with the Cylindrical Roller Bearing NUP2322EM, engineered to deliver reliable performance even under heavy radial loads. This 110x240x80mm bearing combines P0-P4 precision grades with high-grade bearing steel construction, minimizing vibration (Z1V1-Z3V3) and extending equipment service life—critical for maintaining production efficiency in demanding manufacturing environments.Separated structure design allows easy mounting and dismounting, simplifying maintenance and reducing downtimeSupports both grease and oil lubrication to adapt to diverse operating conditions, from machine tools to conveyor systemsBacked by our strict ISO 9001:2015 quality control and 12-month warranty, ensuring consistent performance you can trust

Tapered Roller Bearing Koyo 32912 60x85x17mm P0-P4 Precision for Industrial Machinery
Roller Bearing

Tapered Roller Bearing Koyo 32912 60x85x17mm P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation for your industrial machinery with the Tapered Roller Bearing Koyo 32912, engineered to deliver reliable performance under demanding conditions. This 60x85x17mm bearing, available in P0-P4 precision grades, minimizes downtime by maintaining consistent operation even in high-load applications, addressing the need for long-lasting, low-maintenance components. Designed with Z1V1-Z3V3 vibration control to reduce noise and extend equipment lifespan, a critical detail for precision machinery operators Supports both grease and oil lubrication for flexible integration into existing systems, ensuring compatibility with diverse industrial setups Backed by Saifan’s strict quality control and ISO-certified manufacturing, this Koyo 32912 bearing offers the stability your production line demands

Self Aligning Ball Bearing 2208K-2RS 95x170x32mm Double Row for Industrial Machinery
Ball Bearing

Self Aligning Ball Bearing 2208K-2RS 95x170x32mm Double Row for Industrial Machinery

Keep your industrial machinery running smoothly with the Self Aligning Ball Bearing 2208K-2RS, designed to minimize downtime and ensure consistent performance in demanding operations. This double row bearing (95x170x32mm) automatically compensates for shaft misalignment, reducing stress on your equipment and extending service life—perfect for maintaining productivity when precision matters most.Precision-engineered with P0-P4 accuracy and C0/C3/C4 clearance options to meet your specific load and speed requirementsDouble-sealed (2RS) design keeps contaminants out, ideal for harsh industrial environments where reliability is non-negotiableConstructed with high-grade bearing steel and available with steel or brass cages, balancing durability with smooth rotation

Deep Groove Ball Bearing 6803 6903 for Coating Machine Pile Driver, 10x26x8mm Bearing Steel
Ball Bearing

Deep Groove Ball Bearing 6803 6903 for Coating Machine Pile Driver, 10x26x8mm Bearing Steel

Ensure smooth, reliable operation for your coating machine or pile driver with this high-performance Deep Groove Ball Bearing. Crafted from premium bearing steel, the 6803 and 6903 models (10x26x8mm) deliver exceptional radial load capacity and wear resistance, minimizing downtime and extending equipment lifespan.Unseparated single-row design ensures consistent precision, critical for maintaining alignment in high-vibration industrial applicationsEngineered to meet strict performance standards, reducing the hassle of frequent replacements and unexpected maintenancePerfectly suited for the demanding conditions of coating machinery and pile drivers, where durability directly impacts productivity

Agriculture Bearing Insert Ball High Load Pillow Block Bearing for Farm Machinery
Housing Bearings

Agriculture Bearing Insert Ball High Load Pillow Block Bearing for Farm Machinery

Boost farm machinery uptime with our durable agriculture bearing, engineered to handle heavy loads in harsh field conditions. This high load insert ball bearing features a deep groove raceway for smooth rotation, reducing friction and extending equipment lifespan—no more frequent replacements disrupting your harvest schedule.Precision-rated P0-P4 for reliable performance in tractors and harvestersBearing steel construction ensures wear resistance under extreme workloadsGrease or oil lubrication flexibility adapts to your maintenance routineRich stock availability means fast delivery to keep your operation running

Self-Aligning Roller Bearings 21317CCK-21324CCK W33 for Industrial Machinery P0-P4 Precision
Roller Bearing

Self-Aligning Roller Bearings 21317CCK-21324CCK W33 for Industrial Machinery P0-P4 Precision

Ensure smooth, long-lasting operation for your industrial machinery with high-performance Self-Aligning Roller Bearings designed to handle misalignment and heavy radial loads. Our 21317CCK-21324CCK W33 series delivers P0-P4 precision, minimizing vibration and extending equipment uptime—ideal for demanding applications from machine tools to conveyor systems.Double-row roller design with CCK clearance and W33 oil groove ensures optimal lubrication and load distribution, even in high-torque environmentsConstructed from premium bearing steel for superior durability, backed by our ISO 9001-certified quality control and 12-month warrantyFlexible customization options available to match your exact specifications, with fast 3-5 day sample delivery and reliable bulk production lead times

6003/Z2 Z3 Deep Groove Ball Bearing 17x35x10mm High Speed Bearing Steel for Industrial Machinery
Ball Bearing

6003/Z2 Z3 Deep Groove Ball Bearing 17x35x10mm High Speed Bearing Steel for Industrial Machinery

Keep your industrial machinery running smoothly with the 6003 deep groove ball bearing, designed to deliver reliable high-speed performance in demanding applications. Crafted from premium bearing steel and precision-engineered to Z2/Z3 noise grades, this 17x35x10mm bearing minimizes vibration and extends equipment lifespan, even under continuous operation.Single-row radial design with 0° contact angle ensures optimal load distribution for stable rotation in machine tools, conveyors, and pumpsMeets ISO industrial standards for consistent quality, backed by Saifan’s strict QC processes and 12-month warrantyFlexible order options available, including sample requests, to support your production needs without compromising on delivery timelines

Tapered Roller Bearings 32206 33206 30306 31306 P0-P4 Precision for Industrial Machinery
Roller Bearing

Tapered Roller Bearings 32206 33206 30306 31306 P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation for your industrial machinery with Tapered Roller Bearings designed to deliver lasting performance. Our 32206, 33206, 30306, and 31306 models (30x62x20mm) combine P0-P4 precision with Z1V1-Z3V3 vibration control, reducing downtime and extending equipment life in heavy-load applications.Grease or oil lubrication flexibility adapts to your operational needs, while OEM/ODM customization ensures a perfect fit for unique machinery specsBuilt with high-grade materials to withstand rigorous industrial conditions, backed by our ISO 9001-certified quality control for consistent reliability

Self-Aligning Roller Bearing 22238MB 22240MB 22244MB 22248MB 22252MB/W33 for Industrial Machinery
Roller Bearing

Self-Aligning Roller Bearing 22238MB 22240MB 22244MB 22248MB 22252MB/W33 for Industrial Machinery

Ensure smooth, reliable rotation for your industrial machinery with our high-performance Self-Aligning Roller Bearing lineup, including 22238MB, 22240MB, 22244MB, 22248MB, and 22252MB/W33 models. Engineered to handle heavy radial loads and misalignment, these bearings minimize downtime and extend equipment service life in demanding industrial environments.Precision grades from P0 to P4 and clearance options (C0, C3, C4) ensure optimal performance for specific machinery requirementsDouble-row roller design with high-grade bearing steel construction delivers exceptional durability and load capacitySupports OEM/ODM customization to match unique equipment specifications, backed by our ISO 9001:2015 quality assurance

High Load Mining Pillow Block Bearing UCP314 Deep Groove Raceway Insert Bearing
Housing Bearings

High Load Mining Pillow Block Bearing UCP314 Deep Groove Raceway Insert Bearing

Reduce downtime and boost mining operations with the High Load Mining Pillow Block Bearing UCP314—engineered to handle heavy loads and harsh conditions for reliable, long-lasting performance. This UCP314 bearing features a deep groove raceway design that minimizes friction under extreme pressure, ensuring smooth rotation even in high-torque mining applications.Constructed from premium bearing steel with P0-P4 precision ratings, delivering consistent performance and extended service lifeSingle-row configuration with "P" type bearing block for easy installation and secure mounting in mining machinerySupports both grease and oil lubrication to adapt to your maintenance routine, keeping operations running efficientlyBacked by our strict quality control and 12-month warranty, offering peace of mind for critical mining equipment

Deep Groove Ball Bearing 6906 Zz 2RS DDU for Internal Combustion Engine Transportation Vehicles
Ball Bearing

Deep Groove Ball Bearing 6906 Zz 2RS DDU for Internal Combustion Engine Transportation Vehicles

Ensure smooth, reliable rotation in your internal combustion engine transportation vehicles with this Deep Groove Ball Bearing 6906, engineered to deliver consistent performance under demanding conditions. Crafted from high-grade bearing steel, this 10x26x8mm single-row radial bearing minimizes friction and noise, reducing wear on critical components for extended service life.Available in ZZ, 2RS, and DDU seal options to suit your specific protection needs against dust and moistureUnseparated design ensures easy installation and maintenance, keeping your operations running with minimal downtimeMeets strict quality standards for precision, ensuring a perfect fit and optimal load distribution in transportation applications

Tapered Roller Bearing 30304 30306 30308 for Industrial Machinery High Precision P0-P4
Roller Bearing

Tapered Roller Bearing 30304 30306 30308 for Industrial Machinery High Precision P0-P4

Ensure smooth, precise rotation in your industrial machinery with our high-performance Tapered Roller Bearing 30304, 30306, and 30308. Engineered to deliver consistent operation even under heavy loads, these bearings reduce downtime and extend equipment lifespan, making them ideal for manufacturers seeking reliable motion control.Precision you can trust: Available in P0-P4 grades to meet the strictest industrial standards, with single-row design optimized for radial and axial load handlingBuilt for durability: Open seal configuration allows flexible lubrication (oil, grease, or dry) to adapt to your specific working conditions, ensuring long service lifePerfect fit for industrial applications: 30304 model measures 20*52*15mm, with other sizes available to seamlessly integrate into your machinery setup

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