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
Deep Groove Ball Bearing 6205 Zz 2RS 20x47x14mm for Household Appliances & Engines
Ball Bearing

Deep Groove Ball Bearing 6205 Zz 2RS 20x47x14mm for Household Appliances & Engines

Ensure smooth, quiet operation for your household appliances and engines with our reliable Deep Groove Ball Bearing 6205 Zz 2RS 20x47x14mm. Crafted from high-grade bearing steel with precision ratings up to P4 and noise grades Z3V3, this single-row radial bearing minimizes vibration and extends equipment lifespan—ideal for reducing maintenance headaches in daily use.Sealed options (Zz/2RS) prevent dust and moisture ingress, maintaining consistent performance in harsh environments20x47x14mm dimensions ensure perfect fit for standard appliance and engine assemblies, with OEM/ODM support for custom requirementsGrease or oil lubrication flexibility adapts to your specific application needs, backed by our 12-month warranty for peace of mind

Deep Groove Ball Bearing 6206 2RS ZZ DDU for Construction Machinery 10x26x8mm
Ball Bearing

Deep Groove Ball Bearing 6206 2RS ZZ DDU for Construction Machinery 10x26x8mm

Ensure smooth, reliable rotation in your construction machinery with our high-performance Deep Groove Ball Bearing 6206, engineered to deliver consistent precision and extended service life even under heavy loads. Crafted from premium bearing steel with a 0° contact angle, this single-row radial bearing (10x26x8mm) minimizes vibration and wear, directly addressing common machinery downtime issues.Available with 2RS, ZZ, or DDU seals to prevent contamination in harsh job site conditionsMeets strict industrial standards for durability, ensuring seamless integration into excavators, loaders, and other heavy equipmentBacked by our 12-month warranty and expert technical support, so you can focus on operations without worrying about component failure

Deep Groove Ball Bearing 6206R ZZ 2RS DDU for Construction Machinery 10x26x8mm
Ball Bearing

Deep Groove Ball Bearing 6206R ZZ 2RS DDU for Construction Machinery 10x26x8mm

Ensure smooth, reliable rotation in your construction machinery with the Deep Groove Ball Bearing 6206R—engineered to minimize downtime and maximize equipment performance. This 10x26x8mm bearing features ZZ, 2RS, or DDU sealing options to protect against dust and debris in harsh job site conditions, keeping your machinery running longer between maintenance checks.Single-row radial design handles heavy radial loads with precision, ideal for excavator arms and conveyor systemsHigh-grade bearing steel construction ensures durability under extreme temperatures and continuous operationUnseparated structure simplifies installation and reduces assembly errors, saving you valuable time on the job

Self-Aligning Roller Bearing 22236E 22238E 22240E for Industrial Machinery with P0-P4 Precision
Roller Bearing

Self-Aligning Roller Bearing 22236E 22238E 22240E for Industrial Machinery with P0-P4 Precision

Ensure smooth, precise rotation in your industrial machinery with our Self-Aligning Roller Bearing series, including models 22236E, 22238E, and 22240E. Engineered to deliver P0-P4 precision, these double-row bearings minimize vibration and extend equipment lifespan, even under heavy radial loads and misalignment—perfect for maintaining consistent performance in manufacturing lines, reducers, and heavy-duty machinery.Constructed with high-grade bearing steel and C0/C3/C4 clearance options, ensuring durability and tailored fit for specific operating conditionsUnseparated design enhances installation stability, while OEM/ODM support allows customization to match your exact machinery specifications

Deep Groove Ball Bearing 6306 6307 6308 6405 Zz 2RS Open for Industrial Machinery
Ball Bearing

Deep Groove Ball Bearing 6306 6307 6308 6405 Zz 2RS Open for Industrial Machinery

Ensure smooth, long-lasting operation for your industrial machinery with our Deep Groove Ball Bearing series. Designed to deliver reliable performance across 6306, 6307, 6308, and 6405 models, these bearings minimize downtime with their P0-P4 precision ratings and Z1V1-Z3V3 vibration control—critical for maintaining consistent workflow in high-demand equipment.Choose from Zz, 2RS, or Open seals to match your lubrication needs (grease or oil), ensuring optimal protection against contaminants in harsh industrial environmentsBacked by ISO 9001:2015 certification and a 12-month warranty, these bearings balance durability and cost-effectiveness to keep your operations running without unexpected interruptions

China Spot Deep Groove Ball Bearing 16003-2Z 65x100x11mm with ISO Certification for Industrial Machinery
Ball Bearing

China Spot Deep Groove Ball Bearing 16003-2Z 65x100x11mm with ISO Certification for Industrial Machinery

Ensure smooth, long-lasting operation for your industrial machinery with this 16003-2Z deep groove ball bearing, precision-engineered to deliver reliable radial load support and minimize downtime. Made from high-grade bearing steel with a 0° contact angle, this ISO-certified 65x100x11mm bearing balances durability and performance, ideal for machine tools, conveyors, and automation equipment.Single-row design with double metal shields (2Z) prevents contamination while maintaining low friction, extending service life in dusty or high-moisture industrial environmentsStrict quality control ensures consistent performance, addressing common concerns about reliability and compatibility with critical machinery componentsAvailable in China spot stock for quick 3-5 day delivery, keeping your production line running without delays

Insert Bearing UK216 Pillow Block High Load Deep Groove Raceway 12x47x31mm
Housing Bearings

Insert Bearing UK216 Pillow Block High Load Deep Groove Raceway 12x47x31mm

Ensure smooth, heavy-duty machinery operation with the UK216 Insert Bearing – a pillow block solution engineered to handle high loads while maintaining precision rotation. Its deep groove raceway design minimizes friction, extending equipment lifespan and reducing maintenance downtime for industrial applications.12x47x31mm dimensions with P0-P4 precision ratings and Z1V1-Z3V3 vibration control for reliable performance in demanding conditionsConstructed from premium bearing steel, compatible with grease or oil lubrication, and backed by Saifan's ISO 9001-certified quality assuranceIdeal for agricultural machinery, industrial conveyors, and heavy equipment where consistent load-bearing and durability are non-negotiable

NSK Spherical Roller Bearings 22205CDE4 for Pulverizer Drill Vibrating Plate Applications
Roller Bearing

NSK Spherical Roller Bearings 22205CDE4 for Pulverizer Drill Vibrating Plate Applications

Ensure smooth, reliable operation in your pulverizer, drill, or vibrating plate with NSK Spherical Roller Bearings 22205CDE4 — built to handle heavy radial loads and misalignment, reducing downtime and boosting productivity. Crafted from high-grade bearing steel with a separated inner ring design, these 25*62*17 mm precision bearings deliver consistent performance even in demanding industrial environments.Single-row radial construction optimized for vibrating equipment, ensuring minimal noise and extended service lifeGenuine NSK quality from Japan, backed by strict ISO standards for stable rotation and reduced maintenance needsPerfect fit for applications requiring durable, high-load support — ideal for manufacturers seeking long-term equipment reliability

High Speed Deep Groove Ball Bearing 6303 ZV2 for Motorcycle Automotive Truck Parts
Ball Bearing

High Speed Deep Groove Ball Bearing 6303 ZV2 for Motorcycle Automotive Truck Parts

Keep your motorcycle, automotive, or truck parts running smoothly with the High Speed Deep Groove Ball Bearing 6303 ZV2—engineered to deliver reliable performance under high-speed conditions while minimizing noise and vibration. This precision bearing ensures consistent rotation, reducing downtime and extending the life of your equipment, even in demanding applications.ZV2 vibration grade and P0-P4 precision ratings meet strict industry standards, ensuring smooth operation and compatibility with critical mechanical systemsConstructed with high-grade bearing steel for long-lasting durability, ideal for both daily use and heavy-duty industrial needsSupports OEM/ODM customization to match specific dimensions or performance requirements, backed by our factory’s decades of manufacturing expertise

Deep Groove Ball Bearings 6201 6203 6205 for Industrial Machinery High Precision
Ball Bearing

Deep Groove Ball Bearings 6201 6203 6205 for Industrial Machinery High Precision

Ensure smooth, precise rotation for your industrial machinery with our Deep Groove Ball Bearings, engineered to deliver consistent performance in high-demand applications. These 6201, 6203, and 6205 models feature a single row design and radial load capacity, making them ideal for everything from machine tools to conveyor systems—no more unexpected downtime from subpar components. Crafted from high-grade bearing steel with a 0° contact angle, ensuring minimal friction and extended service life even under continuous operation Precision-machined to meet strict industrial standards, supporting stable motion in critical equipment without compromising on durability Flexible supply options with reliable delivery, so you can keep production on track without worrying about part availability

Insert Bearing UCPH315 High Load Deep Groove Raceway P0-P4 Precision for Industrial Machinery
Housing Bearings

Insert Bearing UCPH315 High Load Deep Groove Raceway P0-P4 Precision for Industrial Machinery

Ensure smooth, high-precision rotation for your industrial machinery with the UCPH315 Insert Bearing, engineered to handle heavy loads while maintaining P0-P4 precision. Its deep groove raceway design minimizes friction and extends service life, addressing the challenge of maintaining consistent performance in demanding mechanical operations.Single-row structure with bearing steel construction delivers reliable durability for machine tools, reducers, and industrial equipmentSupports both grease and oil lubrication, offering flexibility for diverse operating environmentsAvailable in Z1V1-Z3V3 vibration grades to meet low-noise requirements in precision applicationsBacked by our expertise in OEM/ODM customization and strict quality control, ensuring a perfect fit for your specific machinery needs

High Quality Deep Groove Ball Bearing 6848 6948 for Industrial Machinery 240x300x28mm
Ball Bearing

High Quality Deep Groove Ball Bearing 6848 6948 for Industrial Machinery 240x300x28mm

Ensure smooth, reliable rotation for your industrial machinery with our high quality deep groove ball bearing 6848 6948. Crafted from premium bearing steel, this 240x300x28mm radial bearing delivers consistent performance under heavy loads, reducing downtime and keeping your operations running efficiently.Single-row design with 0° contact angle optimizes radial load handling for industrial applicationsPrecision-engineered to minimize vibration, ensuring long service life even in continuous-use scenariosBacked by our ISO 9001-certified quality control, so you can trust every turn to deliver the reliability your machinery demands

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