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
HGW20CC Alloy Guide Rail for CNC Grinder with EPA CE ISO Certification Long Life
Unclassified

HGW20CC Alloy Guide Rail for CNC Grinder with EPA CE ISO Certification Long Life

Boost your CNC grinder's precision and reduce downtime with the HGW20CC alloy guide rail—engineered to deliver smooth, consistent motion even under heavy machining loads. Crafted from high-grade alloy and certified by EPA, CE, and ISO, this guide rail ensures long-term reliability, letting you focus on production without frequent replacements.Low noise operation and high-speed performance minimize workflow disruptions while maintaining tight tolerance controlInsulating and antiseptic properties protect against environmental wear, extending service life in industrial settingsCompatible with OEM/ODM customization to fit specific grinder models, ensuring seamless integration into your existing setup

GEEM20es-2RS GEEM25es-2RS GEEM30es-2RS Spherical Plain Bearing for Construction Machinery High Precision
Joint Bearing

GEEM20es-2RS GEEM25es-2RS GEEM30es-2RS Spherical Plain Bearing for Construction Machinery High Precision

Ensure smooth, high-precision rotation in your construction machinery with the GEEM20es-2RS GEEM25es-2RS GEEM30es-2RS Spherical Plain Bearing, engineered to eliminate downtime and boost operational reliability. Crafted from premium bearing steel with a steel-on-steel sliding contact, this self-lubricating solution delivers long life and low noise even under heavy loads—perfect for engineering hydraulic cylinders and forging machines.Precision-machined to 20*35*24 mm specifications, ensuring seamless fit in demanding industrial applicationsWhole outer ring design enhances structural stability, critical for withstanding the rigors of construction site conditionsBacked by our ISO-certified manufacturing process, guaranteeing consistent performance and durability you can trust

Deep Groove Ball Bearing 605 605-2Z 605-2RS 5x12x5mm for Industrial Machinery
Ball Bearing

Deep Groove Ball Bearing 605 605-2Z 605-2RS 5x12x5mm for Industrial Machinery

Ensure smooth, reliable rotation in your industrial machinery with this Deep Groove Ball Bearing 605 5x12x5mm, designed to minimize downtime and maximize performance. Crafted from high-grade bearing steel with a 0° contact angle, it delivers exceptional radial load handling and stability—perfect for precision-critical applications like machine tools and textile equipment.Available in 605 open, 605-2Z (metal shielded), and 605-2RS (rubber sealed) variants to suit dust, moisture, or lubrication control needsMeets ISO industrial standards for consistent quality, backed by our 12-month warranty for long-term peace of mindCompact 5x12x5mm dimensions fit tight spaces without sacrificing durability, ideal for OEM/ODM integration

Conical Roller Bearing NSK 30303 32303 32904 for High-Speed Industrial Machinery Long Life
Roller Bearing

Conical Roller Bearing NSK 30303 32303 32904 for High-Speed Industrial Machinery Long Life

Keep your high-speed industrial machinery running smoothly with the reliable Conical Roller Bearing NSK 30303, 32303, and 32904—engineered for long life and minimal downtime. These precision-grade bearings (P0-P4) deliver consistent performance under heavy loads, thanks to their Z1V1-Z3V3 vibration control and 17*47*14mm specification that ensures a perfect fit for industrial applications.High-speed capability reduces friction, extending equipment lifespan and cutting maintenance costsNSK genuine quality guarantees durability, ideal for machines demanding stable rotationFlexible stock availability means quick delivery to keep your production on track

Cylindrical Roller Bearing NUP203EM 17x40x16mm P0-P4 Precision for Industrial Machinery
Roller Bearing

Cylindrical Roller Bearing NUP203EM 17x40x16mm P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with the Cylindrical Roller Bearing NUP203EM, crafted to deliver reliable performance even under heavy radial loads. This 17x40x16mm bearing features a separated inner ring design for easy installation and maintenance, making it ideal for machine tools, reducers, and textile equipment that demand consistent operation.P0-P4 precision grades available to match your machinery’s accuracy requirements, from general industrial use to high-precision applicationsConstructed with high-grade bearing steel for extended service life, reducing downtime and replacement costsOpen seal design allows for flexible lubrication options (oil, grease, dry) to adapt to your specific working conditions

High Speed Deep Groove Ball Bearing 6017 6017/Z2/Z3 for Auto Parts 85x130x22mm
Ball Bearing

High Speed Deep Groove Ball Bearing 6017 6017/Z2/Z3 for Auto Parts 85x130x22mm

Ensure smooth, quiet rotation in your auto parts with this High Speed Deep Groove Ball Bearing 6017—engineered to deliver reliable performance even under demanding conditions. The 85x130x22mm precision design (available in Z2/Z3 noise grades) minimizes vibration, extending the lifespan of your machinery while reducing maintenance downtime.Single-row radial structure with 0° contact angle ensures optimal load distribution for high-speed applicationsPremium bearing steel construction guarantees durability, addressing common concerns about wear and instability in automotive componentsCompliant with international standards, this bearing integrates seamlessly into transmission systems, providing the consistent performance your operations depend on

S6814ZZ Deep Groove Ball Bearing 70x90x10mm Stainless Steel Low Noise NTN
Ball Bearing

S6814ZZ Deep Groove Ball Bearing 70x90x10mm Stainless Steel Low Noise NTN

Experience smooth, quiet rotation in demanding environments with the S6814ZZ deep groove ball bearing—engineered to deliver reliable performance where precision meets durability. Crafted from high-grade stainless steel with a 70x90x10mm dimension, this NTN bearing minimizes operational noise while resisting corrosion, ensuring long service life in industrial machinery, automotive components, or agricultural equipment.Single-row radial design with 0° contact angle optimizes load distribution for consistent, low-vibration operationZZ double shield construction protects internal components from contaminants, reducing maintenance needs in harsh work conditionsComplies with international standards for seamless integration into existing systems, backed by Saifan’s strict quality control and 12-month warranty

High-Precision Thrust Ball Bearing 51410 51111 for Vertical Centrifuge Jack with ISO9001
Ball Bearing

High-Precision Thrust Ball Bearing 51410 51111 for Vertical Centrifuge Jack with ISO9001

Ensure smooth vertical centrifuge jack operation with our High-Precision Thrust Ball Bearing, engineered to deliver reliable axial load support and minimize vibration in critical industrial applications. Crafted from premium bearing steel with P4 precision and Z3V3 vibration grade, this 51410/51111 model (180x300x95 mm) ensures long service life even under heavy loads, addressing the need for consistent performance in demanding machinery.ISO9001:2015 certified for quality assurance, with separated design for easy installation and maintenanceGrease or oil lubrication flexibility to adapt to your equipment’s specific operating conditionsIn-stock availability for quick delivery, supporting seamless production schedules

High Quality Thrust Ball Bearing F9-17 F9-20M for Vertical Water Pump with P0-P4 Precision
Ball Bearing

High Quality Thrust Ball Bearing F9-17 F9-20M for Vertical Water Pump with P0-P4 Precision

Ensure smooth, long-lasting vertical water pump operation with our High Quality Thrust Ball Bearing F9-17 F9-20M, engineered to deliver P0-P4 precision for reliable performance under axial loads. Crafted from premium bearing steel with separated raceways for easy installation, this thrust ball bearing minimizes vibration (Z1V1-Z3V3) and reduces maintenance downtime, addressing the need for stable, low-noise rotation in water pump systems.Supports both grease and oil lubrication to adapt to your specific operating conditionsSingle-row design with 0° contact angle optimizes load distribution for vertical applicationsIn-stock availability ensures quick 3-5 day sample delivery, with OEM/ODM customization options to match your exact specifications

Thrust Ball Bearings 51112 51212 51312 51412 51113 51213 51313 51413 P0-P4 Precision for Industrial Machinery
Ball Bearing

Thrust Ball Bearings 51112 51212 51312 51412 51113 51213 51313 51413 P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with our Thrust Ball Bearings—engineered to deliver reliable performance even under heavy axial loads. Available in models 51112, 51212, 51312, 51412, 51113, 51213, 51313, and 51413, these bearings offer P0-P4 precision grades to meet your specific application needs, from general industrial use to high-precision equipment.Separated design allows easy installation and maintenance, reducing downtime for your operationsConstructed with high-grade bearing steel and available with grease or oil lubrication for long service lifeISO 9001:2008 certified quality ensures consistent performance, backed by our flexible order options and responsive support

Deep Groove Ball Bearing 16010 6010 Zz 2RS DDU for Wine Beverage Medical Equipment
Ball Bearing

Deep Groove Ball Bearing 16010 6010 Zz 2RS DDU for Wine Beverage Medical Equipment

Ensure smooth, reliable rotation in your wine beverage and medical equipment with this high-performance Deep Groove Ball Bearing. Crafted to deliver consistent precision, it minimizes downtime and维护 costs for critical operations. The 16010/6010 model features a 10*26*8mm specification with options for Zz, 2RS, or DDU seals, ensuring optimal protection against contaminants in sensitive environments.Single-row radial design handles both radial and axial loads, ideal for high-speed applications in medical devices and beverage processing machineryConstructed from premium bearing steel for extended service life, reducing the need for frequent replacementsComplies with strict industry standards, supporting seamless integration into your existing equipment setup

High Precision S6014 Stainless Steel Deep Groove Ball Bearing for Auto Parts Low Noise
Ball Bearing

High Precision S6014 Stainless Steel Deep Groove Ball Bearing for Auto Parts Low Noise

Ensure smooth, quiet performance in your auto parts with the high precision S6014 stainless steel deep groove ball bearing, engineered to reduce operational noise and enhance durability. Crafted to exact 70*110*20mm specifications, this single-row radial bearing delivers reliable radial load support, making it ideal for automotive applications where stability under varying conditions is critical.Stainless steel construction resists corrosion, extending service life even in demanding environmentsLow noise design minimizes vibration, improving overall driving comfort and component longevityUnseparated structure ensures easy installation and maintenance, reducing downtime for your operations

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