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 Nu2318 for Household Appliances High Precision P0-P4 Grade 90x190x64mm
Roller Bearing

Cylindrical Roller Bearing Nu2318 for Household Appliances High Precision P0-P4 Grade 90x190x64mm

Ensure smooth, quiet operation for your household appliances with our Cylindrical Roller Bearing Nu2318, engineered to deliver reliable performance even in high-demand applications. This high precision bearing (P0-P4 grade) minimizes vibration and extends equipment lifespan, addressing the common challenge of premature wear in daily-use appliances.Precision dimensions 90x190x64mm with separated inner/outer rings for easy installation and maintenanceConstructed from premium bearing steel for exceptional durability and consistent radial load handlingOpen design allows flexible lubrication options (oil, grease, or dry) to match specific appliance requirementsBacked by our ISO 9001-certified manufacturing process for quality you can trust in every rotation

Needle Roller Bearing NK26/20 26x34x20mm P0-P4 Precision for Industrial Machinery
Needle Roller Bearings

Needle Roller Bearing NK26/20 26x34x20mm P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with the Needle Roller Bearing NK26/20, engineered to deliver reliable performance even under demanding conditions. This 26x34x20mm precision bearing (P0-P4 grades) minimizes downtime by reducing friction and wear, keeping your equipment running longer with consistent accuracy.Constructed with high-grade bearing steel for durability, supporting radial loads efficiently in compact spacesGrease or oil lubrication flexibility adapts to your maintenance routine, ensuring optimal operation in various industrial environmentsClosed design prevents contamination, extending service life and reducing the need for frequent replacements

Spherical Plain Bearing GAC25t GAC28t GAC30t GAC32t GAC35t for Construction Machinery
Joint Bearing

Spherical Plain Bearing GAC25t GAC28t GAC30t GAC32t GAC35t for Construction Machinery

Ensure smooth, reliable operation of your construction machinery with our high-performance Spherical Plain Bearing GAC series. Designed for heavy-duty applications like hydraulic cylinders and forging machines, these self-lubricating steel-on-steel bearings deliver exceptional precision (25*47*15 mm for GAC25t) and extended service life, reducing downtime and maintenance costs.Self-lubricating design eliminates frequent lubrication needs, ideal for harsh construction environmentsWhole outer ring structure enhances load capacity and stability under radial stressHigh precision craftsmanship ensures consistent performance in critical machinery components

Deep Groove Ball Bearing 6036 2RS DDU for Packaging & Food Machinery Equipment
Ball Bearing

Deep Groove Ball Bearing 6036 2RS DDU for Packaging & Food Machinery Equipment

Ensure smooth, reliable operation in your packaging and food machinery with our Deep Groove Ball Bearing 6036 2RS DDU. Engineered to minimize downtime and maintain precision under continuous use, this bearing delivers consistent performance that keeps your production line running efficiently.Single-row radial design with 2RS/DDU seals prevents contamination, ideal for food processing environments where cleanliness is criticalHigh-grade bearing steel construction ensures long service life even in high-speed applications, reducing replacement frequency and maintenance costsUnseparated structure guarantees easy installation and stable load distribution, supporting seamless integration into existing equipment

Needle Roller Bearing NA4834 NA4836 NA4838 for Industrial Machinery 170x215x45mm P0-P4 Precision
Needle Roller Bearings

Needle Roller Bearing NA4834 NA4836 NA4838 for Industrial Machinery 170x215x45mm P0-P4 Precision

Ensure smooth, precise rotation for your industrial machinery with our high-performance Needle Roller Bearing NA4834 NA4836 NA4838, engineered to deliver reliable operation even under heavy loads. Crafted from premium bearing steel with P0-P4 precision ratings, these 170x215x45mm radial bearings minimize vibration and extend equipment lifespan, addressing the critical need for consistent performance in demanding manufacturing environments.Designed without inner/outer rings for space-saving integration in compact machinery setupsSupports both grease and oil lubrication to adapt to your maintenance protocolsBacked by our ISO-certified production process and 12-month warranty for long-term peace of mindFlexible order options with 3-7 day delivery ensure minimal downtime for your operations

Self-Aligning Roller Bearings 22211E-22216E P0-P4 Precision for Industrial Machinery
Roller Bearing

Self-Aligning Roller Bearings 22211E-22216E P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in industrial machinery with our Self-Aligning Roller Bearings 22211E-22216E—designed to minimize downtime and enhance operational stability. Available in P0-P4 precision grades, these double-row radial bearings automatically adjust for shaft misalignment, reducing wear on machinery components even under heavy loads.Made from high-grade bearing steel with C0/C3/C4 clearance options to match specific industrial torque requirementsUnseparated design ensures easy installation and maintenance, ideal for machine tools, reducers, and textile equipmentBacked by ISO 9001-certified quality control for consistent performance, supporting your production line’s reliability

Self-Aligning Roller Bearing 24130CDKE4 for Industrial Machinery with P0-P4 Precision
Roller Bearing

Self-Aligning Roller Bearing 24130CDKE4 for Industrial Machinery with P0-P4 Precision

Ensure smooth, long-lasting operation for your industrial machinery with the Self-Aligning Roller Bearing 24130CDKE4, engineered to deliver P0-P4 precision and adapt to misalignment in heavy-duty applications. Crafted from high-grade bearing steel, this double-row radial bearing handles radial loads with minimal friction, reducing downtime and extending equipment lifespan.150×250×100mm规格适配多种工业机械,支持C0/C3/C4游隙调整,满足定制化安装需求OEM/ODM服务结合严格质检流程,确保每台设备的稳定转动与高效性能3-5天样品交付与灵活起订量,助力快速验证适配性,降低采购风险

Deep Groove Ball Bearing 6700 6701 6702 Zz 2RS DDU for Industrial Machinery ISO9001 Certified
Ball Bearing

Deep Groove Ball Bearing 6700 6701 6702 Zz 2RS DDU for Industrial Machinery ISO9001 Certified

Ensure smooth, reliable rotation for your industrial machinery with our precision-engineered Deep Groove Ball Bearing series (6700, 6701, 6702) in ZZ, 2RS, and DDU configurations. Designed to minimize downtime and maximize performance, these bearings deliver consistent operation even under demanding conditions, backed by ISO9001 certification for quality you can trust.Precision-grade construction (10*15*3mm for 6700 model) ensures tight fit and reduced vibration, critical for sensitive industrial applicationsChoose from sealed (2RS/DDU) or shielded (ZZ) options to suit your environment—keeping contaminants out and lubrication in for extended service lifeManufactured with high-grade materials to handle continuous use, addressing common wear issues in heavy-duty machinery setups

High Load Pillow Block Bearing UCP UCF 203-315 Deep Groove Raceway P0-P4 Precision
Housing Bearings

High Load Pillow Block Bearing UCP UCF 203-315 Deep Groove Raceway P0-P4 Precision

Ensure smooth, heavy-duty rotation in your machinery with our high load pillow block bearing—engineered to minimize downtime and maximize productivity. This UCP/UCF 203-315 series features a deep groove raceway and P0-P4 precision, delivering consistent performance even under extreme loads, so you can trust critical operations to run without interruption.Single-row design with bearing steel construction ensures exceptional durability for industrial, agricultural, and construction equipmentGrease or oil lubrication flexibility adapts to your maintenance routine, reducing operational complexityZ1V1-Z3V3 vibration grades meet strict noise requirements, ideal for precision-dependent applications like machine tools and printing pressesBacked by our ISO-certified manufacturing and 12-month warranty, this bearing isn’t just a component—it’s a long-term solution to keep your operations moving forward. Saifan Bearings, Spin with Confidence.

Precision Auto Rolled Ball Screw Sfe Type for OEM/ODM Machinery Applications with Alloy Construction
Unclassified

Precision Auto Rolled Ball Screw Sfe Type for OEM/ODM Machinery Applications with Alloy Construction

Boost your machinery's precision and longevity with our Precision Auto Rolled Ball Screw Sfe Type, engineered to deliver smooth, consistent motion in OEM/ODM applications. Crafted from high-grade alloy, this auto ball screw minimizes wear and reduces maintenance downtime, ensuring your equipment operates at peak performance even under continuous use.SFE series design ensures optimal load distribution, critical for high-torque machinery applicationsAlloy construction resists corrosion and thermal expansion, maintaining accuracy in diverse working environmentsSupports custom specifications to match your exact machinery requirements, with reliable production capacity to meet bulk orders

Insert Bearing UC330 UCP330 UCF330 High Load Deep Groove for Industrial Machinery
Housing Bearings

Insert Bearing UC330 UCP330 UCF330 High Load Deep Groove for Industrial Machinery

Ensure smooth, high-load industrial machinery operation with the UC330 High Load Deep Groove Bearing, engineered to deliver reliable performance in heavy-duty applications. This insert bearing combines deep groove raceway design with premium bearing steel construction, minimizing vibration (Z1V1-Z3V3) and extending service life even under rigorous conditions.Single-row structure with P0-P4 precision ratings for consistent rotation in industrial equipmentCompatible with P-type bearing blocks, supporting easy installation and maintenanceGrease or oil lubrication flexibility to adapt to your machinery’s specific requirementsBacked by rich stock availability for quick fulfillment, reducing downtime in your operations

High Precision Double Row Cylindrical Roller Bearing NN3034K NN3036K NN3038K P4 W33 for Industrial Machinery
Roller Bearing

High Precision Double Row Cylindrical Roller Bearing NN3034K NN3036K NN3038K P4 W33 for Industrial Machinery

Achieve uninterrupted precision rotation in industrial machinery with our High Precision Cylindrical Roller Bearing, engineered to eliminate costly downtime from vibration and wear. The double row NN3034K/NN3036K/NN3038K design delivers exceptional radial load capacity (up to 180mm outer dimension) and P4-grade accuracy, ensuring smooth performance even in heavy-duty applications like machine tools and reducers.Separated inner/outer rings allow easy mounting and alignment adjustments, simplifying maintenance for busy workshopsPremium bearing steel construction meets ISO standards for long service life, addressing the need for reliable, low-maintenance componentsW33 lubrication groove ensures consistent oil/grease distribution, critical for sustained high-speed operation

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.

GET INDUSTRY SPEC →
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.

📦

Full FCL Support

20GP / 40HQ containers

🏷️

OEM Branding

Custom packaging & labels

⏱️

5-15 Day Lead

Bulk production timeline

💳

T/T · L/C · Alibaba

Flexible payment terms