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
51100 Thrust Ball Bearing 10x24x9mm P0-P4 Precision Separated for Industrial Equipment
Ball Bearing

51100 Thrust Ball Bearing 10x24x9mm P0-P4 Precision Separated for Industrial Equipment

Ensure smooth, precise axial load handling in your industrial equipment with the 51100 Thrust Ball Bearing, designed to eliminate downtime and boost operational reliability. This 10x24x9mm separated bearing delivers consistent performance across P0-P4 precision grades, making it ideal for machinery where alignment and load distribution are critical.Separated design allows easy installation and maintenance, reducing assembly time and simplifying replacement—perfect for high-demand industrial environments.Constructed with premium bearing steel and lubricated for versatile use (grease or oil), it withstands heavy thrust loads while maintaining low vibration (Z1V1-Z3V3) for quiet, efficient operation.Backed by ISO 9001:2015 quality standards and in-stock availability, this bearing ensures quick fulfillment to keep your production line running without delays.

Needle Roller Bearing NKI40/20-TV 40x55x20mm P0-P4 Precision for Industrial Machinery
Needle Roller Bearings

Needle Roller Bearing NKI40/20-TV 40x55x20mm P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with the Needle Roller Bearing NKI40/20-TV, engineered to deliver reliable performance under radial loads. This 40x55x20mm high-precision bearing (P0-P4 grade) minimizes vibration and extends equipment lifespan, making it ideal for demanding applications like machine tools and textile machinery.Radial bearing design without outer/inner rings optimizes space efficiency while maintaining rigidityGrease or oil lubrication flexibility adapts to diverse operating conditionsISO-certified quality ensures consistent performance, reducing unexpected downtime3-7 day delivery keeps your production schedule on track, even for urgent replacements

Deep Groove Ball Bearing 6856 6956 280x350x33mm for Industrial Machinery
Ball Bearing

Deep Groove Ball Bearing 6856 6956 280x350x33mm for Industrial Machinery

Ensure smooth, long-lasting operation for your industrial machinery with our Deep Groove Ball Bearing 6856 6956, engineered to deliver reliable performance in high-demand applications. This 280x350x33mm bearing minimizes downtime with its precision manufacturing—P0-P4 grade accuracy ensures consistent rotation, while Z2-Z4 noise control keeps your workspace efficient. Grease or oil lubrication flexibility adapts to your machinery’s specific needs, reducing maintenance hassleStrict ISO 9001:2015 quality control guarantees stable performance, even under heavy loadsDirect replacement for standard industrial bearings, ensuring seamless integration into existing setups

Deep Groove Ball Bearing 61892 460x580x56mm Single Row Radial for Machinery
Ball Bearing

Deep Groove Ball Bearing 61892 460x580x56mm Single Row Radial for Machinery

Ensure smooth, reliable rotation for your machinery with this Deep Groove Ball Bearing 61892, engineered to deliver consistent performance under heavy radial loads. The single row design (460x580x56mm) minimizes vibration and extends equipment uptime, addressing common concerns of operational interruptions in industrial settings.Precision-crafted from high-grade bearing steel for durability, with a 0° contact angle optimized for radial load handlingSeamless integration into machinery applications, backed by our ISO 9001:2015 certified quality control for long-term stabilityFlexible order options available, including bulk production support to keep your supply chain running without delays

Deep Groove Ball Bearing 6700-2RS 6800-2RS 6900-2RS P0-P4 Precision for Industrial Machinery
Ball Bearing

Deep Groove Ball Bearing 6700-2RS 6800-2RS 6900-2RS P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with our Deep Groove Ball Bearing series (6700-2RS, 6800-2RS, 6900-2RS), engineered to deliver consistent performance across P0-P4 precision grades. These bearings minimize downtime and reduce maintenance costs by combining high-grade bearing steel construction with Z1V1-Z3V3 vibration control, ensuring reliable operation even in demanding work environments.Single-row, non-aligning design with 0° contact angle for optimal radial load handlingFlexible lubrication options (grease or oil) to adapt to your specific machinery requirementsUnseparated structure for easy installation and long service life, backed by ISO 9001:2015 quality assurance

High Rotating Speed Wheel Hub Bearing Dac42820036 for Automotive Applications
Automotive Bearing

High Rotating Speed Wheel Hub Bearing Dac42820036 for Automotive Applications

Experience smoother, quieter rides with the High Rotating Speed Wheel Hub Bearing Dac42820036—engineered to deliver reliable performance for automotive applications. Crafted from high-grade bearing steel and precision-rated up to P4, this cylindrical roller bearing ensures reduced vibration and extended service life, even under demanding conditions.Single row, radial design optimized for high-speed rotation, ideal for car wheel assembliesOpen seals type allows flexible lubrication options (oil, grease, dry) to suit specific operational needsComplies with ISO standards, backed by our 12-month warranty and responsive after-sales support

UCT206 Low Noise Spherical Outer Pillow Block Ball Bearing for Industrial Machinery 30x113x102mm
Housing Bearings

UCT206 Low Noise Spherical Outer Pillow Block Ball Bearing for Industrial Machinery 30x113x102mm

Keep your industrial machinery running smoothly with the UCT206 low noise pillow block bearing, designed to minimize operational disruptions while handling heavy loads. Its deep groove raceway ensures consistent performance, reducing the need for frequent maintenance and keeping your production line on track.Precision-engineered 30x113x102mm dimensions with P0-P4 precision grades for reliable alignment in demanding equipmentSpherical outer design allows self-alignment, compensating for shaft misalignment to extend bearing lifespanZ1V1-Z3V3 vibration grades deliver quiet operation, ideal for noise-sensitive work environmentsHigh-grade bearing steel construction ensures durability, backed by our 12-month warranty for long-term peace of mind

6803 Zz 2RS DDU Deep Groove Ball Bearing 17x26x5mm for Industrial Machinery P0-P4 Precision
Ball Bearing

6803 Zz 2RS DDU Deep Groove Ball Bearing 17x26x5mm for Industrial Machinery P0-P4 Precision

Keep your industrial machinery running smoothly with the reliable 6803 deep groove ball bearing, engineered to deliver consistent performance in demanding applications. This 17x26x5mm bearing combines precision (P0-P4 grades) with versatile sealing options (Zz, 2RS, DDU) to minimize downtime and extend equipment life—perfect for those seeking a balance of durability and cost-effectiveness.High-grade bearing steel construction ensures stable rotation under radial loads, while Z1V1-Z3V3 vibration control reduces noise in precision setupsFlexible lubrication options (grease or oil) adapt to your specific operating conditions, from heavy-duty manufacturing to high-speed machinerySingle-row, non-aligning design maintains alignment in standard mounting configurations, ideal for OEM/ODM integration or replacement needs

Self-Aligning Roller Bearing 22330-22338CCK W33 P0-P4 Precision for Industrial Machinery
Roller Bearing

Self-Aligning Roller Bearing 22330-22338CCK W33 P0-P4 Precision for Industrial Machinery

Achieve smooth, long-lasting machinery operation with our Self-Aligning Roller Bearing—engineered to minimize downtime and maximize precision in industrial applications. This 22330-22338CCK W33 series handles radial loads effortlessly while accommodating misalignment, making it ideal for heavy-duty equipment like conveyors and crushers.P0-P4 precision grades ensure consistent performance, reducing vibration and extending machine lifespanDouble-row roller design with C3 clearance balances load capacity and thermal expansion needsHigh-grade bearing steel construction guarantees durability even in demanding work environmentsSupports OEM/ODM customization to match your exact machinery specifications, backed by our 12-month warranty

Auto Car Tensioner Pulley Bearing High Speed Low Noise P0-P4 Precision
Automotive Bearing

Auto Car Tensioner Pulley Bearing High Speed Low Noise P0-P4 Precision

Ensure smooth engine operation with our Auto Car Tensioner Pulley Bearing, engineered to deliver high-speed performance with minimal noise—perfect for maintaining optimal belt tension in automotive systems. Crafted from premium bearing steel and precision-graded from P0 to P4, this bearing reduces vibration (Z1V1 to Z3V3) and extends service life, addressing common issues with premature wear and inconsistent performance in demanding driving conditions. Grease or oil lubrication options ensure adaptability to various operating environments, while strict ISO 9001:2015 quality control guarantees reliable rotation under heavy loads. Supports OEM/ODM customization to match specific pulley dimensions, making it ideal for automotive repair shops and parts manufacturers seeking a trusted, long-term supply partner.

Crane Hook Thrust Ball Bearing 51330 51332 51334 51336 51340 with P0-P4 Precision
Ball Bearing

Crane Hook Thrust Ball Bearing 51330 51332 51334 51336 51340 with P0-P4 Precision

Ensure smooth, reliable lifting operations with our Crane Hook Thrust Ball Bearing series (51330, 51332, 51334, 51336, 51340), engineered to deliver consistent performance under heavy loads. Precision-grade from P0 to P4 ensures minimal vibration (Z1V1 to Z3V3) and extended service life, addressing the need for stable, low-maintenance components in demanding industrial environments.Separated design allows easy installation and maintenance, a critical feature for crane hook assemblies requiring quick part replacementAvailable in stock for fast 3-5 day sample delivery, with bulk orders shipped within 5-15 working days to keep your operations on scheduleConstructed with high-grade bearing steel and compatible with both grease and oil lubrication, ensuring adaptability to diverse working conditions

Plastic Deep Groove Ball Bearing 6000 6200 6300 Series for High Speed Low Noise Applications
Ball Bearing

Plastic Deep Groove Ball Bearing 6000 6200 6300 Series for High Speed Low Noise Applications

Keep your machinery running smoothly with our Plastic Deep Groove Ball Bearing 6000, 6200, and 6300 Series—designed to deliver high-speed performance with minimal noise for seamless operations. Crafted for durability, these bearings ensure long service life even in demanding applications, addressing the need for reliable components that reduce maintenance interruptions.Precision-engineered with P0-P4 accuracy and Z1V1-Z3V3 vibration grades to meet strict industrial standardsUnseparated radial design optimizes load distribution, making them ideal for high-speed low-noise scenariosSupports OEM/ODM customization to fit your specific machinery requirements, backed by our 12-month warranty for peace of mind

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