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
K75X81X20 K90X98X30 K100X107X21 Needle Roller Bearing for Industrial Machinery with P0-P4 Precision
Needle Roller Bearings

K75X81X20 K90X98X30 K100X107X21 Needle Roller Bearing for Industrial Machinery with P0-P4 Precision

Ensure smooth, precise rotation in your industrial machinery with our Needle Roller Bearing lineup—K75X81X20, K90X98X30, and K100X107X21—engineered to deliver reliable performance even under heavy radial loads. Crafted from high-grade bearing steel and available in P0-P4 precision grades, these radial bearings without outer rings minimize friction and maximize durability, reducing downtime and maintenance costs for your equipment.Designed for seamless integration into industrial machinery, with clearance options (C0/C3/C4) to match specific operational needsSupports both grease and oil lubrication for versatile application in diverse working conditionsBacked by our strict quality control and ISO-certified production, ensuring consistent performance batch after batch

High Load Pillow Block Bearing UCP208-25 for Agricultural Machinery with Housing
Housing Bearings

High Load Pillow Block Bearing UCP208-25 for Agricultural Machinery with Housing

Keep your agricultural machinery running smoothly even under heavy loads with the High Load Pillow Block Bearing UCP208-25, designed to minimize downtime and boost productivity during critical harvest seasons. Crafted from premium bearing steel with a deep groove raceway, this bearing delivers exceptional wear resistance to handle the rigorous demands of tractors and harvesters, ensuring reliable rotation when you need it most.Single-row design with integrated housing for easy installation and stable performance in dusty, high-vibration farm environmentsGrease or oil lubrication flexibility allows customization based on your equipment’s specific maintenance needsPrecision-rated P0-P4 and vibration grade Z1V1-Z3V3 options ensure quiet operation and long service life, reducing costly replacements

Spherical Roller Bearing 22218W33C3 100x215x47mm for Industrial Machinery with P0-P4 Precision
Roller Bearing

Spherical Roller Bearing 22218W33C3 100x215x47mm for Industrial Machinery with P0-P4 Precision

Ensure smooth, precise rotation in your industrial machinery with the Spherical Roller Bearing 22218W33C3, engineered to deliver reliable performance even under heavy loads. This 100x215x47mm bearing features P0-P4 precision grades and C3 clearance, ideal for aligning shaft misalignments while maintaining stability in demanding applications like machine tools and reducers.Double-row roller design distributes radial and axial loads evenly, extending equipment service lifeHigh-grade bearing steel construction ensures resistance to wear and consistent operationSupports OEM/ODM customization to match specific machinery requirements, backed by ISO 9001:2015 quality assurance

CNC Machinery Components C7 Rolled Ball Screw Nut for Precision LM Series OEM ODM
Unclassified

CNC Machinery Components C7 Rolled Ball Screw Nut for Precision LM Series OEM ODM

Boost CNC machinery precision and reduce downtime with our CNC ball screw nut—engineered for LM Series compatibility and C7 rolled precision that delivers smooth, consistent motion in high-performance applications. Crafted from durable alloy, this component ensures reliable operation even under heavy loads, addressing the critical need for stable, long-lasting parts in industrial environments.Precision-rolled threads for minimal backlash and enhanced positioning accuracy, a must-have for CNC lathes and machining centersSupports OEM/ODM customization to match unique machinery specs, eliminating the hassle of ill-fitting componentsRobust construction withstands continuous use, reducing maintenance interruptions and keeping production on track

Deep Groove Ball Bearing 6311 25x52x15mm P0-P4 Precision Z2V2 Noise Grade for Industrial Machinery
Ball Bearing

Deep Groove Ball Bearing 6311 25x52x15mm P0-P4 Precision Z2V2 Noise Grade for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with the Deep Groove Ball Bearing 6311, designed to minimize downtime and maximize operational efficiency. Crafted to 25x52x15mm dimensions with P0-P4 precision and Z2V2 noise grade, this bearing delivers consistent performance under radial loads, making it ideal for high-demand applications like machine tools and conveyor systems.Single-row, unseparated design ensures easy installation and maintenance, while bearing steel construction guarantees long service life even in heavy-duty environmentsAvailable with Zz, 2RS, or open seals to suit your lubrication needs (grease or oil), providing tailored protection against contaminantsBacked by our ISO 9001:2015 certified quality control, this bearing meets strict international standards for reliability—no more worries about unexpected failures disrupting your workflow

Tapered Roller Bearing 33206 33006 33109 32905 for Industrial Machinery High Speed Low Noise
Roller Bearing

Tapered Roller Bearing 33206 33006 33109 32905 for Industrial Machinery High Speed Low Noise

Keep your industrial machinery running smoothly with our high-performance Tapered Roller Bearing—engineered for reliable high-speed operation and minimal noise, ensuring uninterrupted productivity. Precision-machined to P0-P4 grades and Z1V1-Z3V3 vibration standards, these bearings (including models 33206, 33006, 33109, 32905) deliver long service life even under demanding conditions.30*62*25mm specification (33206) fits seamlessly into industrial equipment, reducing downtime from misalignmentOEM/ODM support available to match your exact machinery requirements, backed by ISO 9001-certified quality controlRich stock ensures fast 3-5 day sample delivery, so you can test performance before full deployment

Cylindrical Roller Bearings NJ2222 NJ2226 NJ2232 NJ2238EM for Industrial Machinery P0-P4 Precision
Roller Bearing

Cylindrical Roller Bearings NJ2222 NJ2226 NJ2232 NJ2238EM for Industrial Machinery P0-P4 Precision

Ensure smooth, precise rotation for your industrial machinery with our Cylindrical Roller Bearings—engineered to minimize downtime and boost operational reliability. These NJ2222, NJ2226, NJ2232, and NJ2238EM models deliver P0-P4 precision, handling heavy radial loads with separated inner/outer rings for easy maintenance and quick replacement.Constructed from high-grade bearing steel for long service life, ideal for machine tools, reducers, and printing equipmentOpen design allows flexible lubrication (oil, grease, dry) to adapt to your specific working conditionsBacked by ISO 9001:2015 quality certification and our 12-month warranty, ensuring consistent performance you can trust

Kr Bolt Cam Follower Bearings Kr35-Kr90 Long Life Track Roller for Industrial Machinery
Cam Follower Bearings

Kr Bolt Cam Follower Bearings Kr35-Kr90 Long Life Track Roller for Industrial Machinery

Boost your industrial machinery's reliability with Kr Bolt Cam Follower Bearings designed for long-lasting performance in demanding track roller applications. These precision-engineered bearings (available in Kr35-Kr90 sizes) deliver smooth, high-speed rotation with minimal noise, ensuring your equipment operates efficiently even under heavy loads. P0-P4 precision ratings and Z1-Z4 vibration levels meet strict industrial standards, reducing maintenance downtime and extending machinery service life Constructed with premium bearing steel for exceptional wear resistance, ideal for continuous operation in manufacturing, packaging, and material handling systems Supports OEM/ODM customization to match your specific dimensional and performance requirements, backed by our ISO 9001-certified quality control Trust in a solution that balances durability and precision—perfect for industrial machinery manufacturers seeking consistent performance and reduced operational disruptions.

Deep Groove Ball Bearing 6806 Zz 2RS DDU for Agricultural & Construction Machinery
Ball Bearing

Deep Groove Ball Bearing 6806 Zz 2RS DDU for Agricultural & Construction Machinery

Minimize downtime in your agricultural and construction machinery with the reliable Deep Groove Ball Bearing 6806, engineered to deliver smooth rotation even under heavy loads. This 20x47x14 mm bearing—available in Zz, 2RS, and DDU seals—ensures consistent performance in tractors, excavators, and other rugged equipment, thanks to its high-grade bearing steel construction and P0-P4 precision rating.Grease or oil lubrication flexibility adapts to your maintenance routine, reducing the need for frequent part replacementsZ1V1-Z3V3 vibration control minimizes noise and wear, extending the service life of your machineryUnseparated single-row design provides robust radial load support, critical for withstanding tough working conditions

Deep Groove Ball Bearing 6807 Zz 2RS P0-P4 Precision for Industrial Machinery
Ball Bearing

Deep Groove Ball Bearing 6807 Zz 2RS P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with our Deep Groove Ball Bearing 6807 Zz 2RS P0-P4 Precision—engineered to minimize downtime and boost operational reliability. Crafted from high-grade bearing steel with a 0° contact angle for optimal radial load handling, this single-row, non-aligning bearing delivers consistent performance across P0 to P4 precision grades, adapting seamlessly to everything from general industrial use to high-precision equipment.Choose between Zz (metal shielded) or 2RS (rubber sealed) options to suit your environment, with grease or oil lubrication flexibility for extended service lifeMeet strict vibration standards (Z1V1 to Z3V3) to reduce noise and ensure stable operation in machinery like conveyors, pumps, and gearboxesBacked by our ISO 9001:2015 certified production process, ensuring each bearing meets global industrial standards for durability and precision

Durable NTN 16052m Deep Groove Ball Bearing 260x400x44mm for Industrial Machinery
Ball Bearing

Durable NTN 16052m Deep Groove Ball Bearing 260x400x44mm for Industrial Machinery

Ensure smooth, long-lasting operation for your industrial machinery with the NTN 16052m deep groove ball bearing, engineered to deliver reliable radial load support in demanding applications. Crafted from high-grade bearing steel and precision-manufactured to 260x400x44mm dimensions, this single-row radial bearing minimizes downtime while maintaining consistent performance under heavy loads.0° contact angle design optimizes radial load capacity, ideal for high-speed industrial equipmentDurable construction resists wear and vibration, extending machinery service life and reducing maintenance needsComplies with international standards, ensuring seamless integration with existing setups and reliable performance you can trust

Linear Guides HGW20CC HGW25HC Hiwin Replaceable High Speed Low Noise for Industrial Machinery
Unclassified

Linear Guides HGW20CC HGW25HC Hiwin Replaceable High Speed Low Noise for Industrial Machinery

Boost your industrial machinery's performance with reliable Hiwin replaceable linear guides designed for high-speed operation and minimal noise. The HGW20CC and HGW25HC models deliver smooth, precise motion to keep production lines running efficiently, even in demanding manufacturing environments.Engineered with low-noise technology to reduce operational disruptions and improve workplace comfortAlloy construction ensures long service life, minimizing downtime and replacement costsDirect compatibility with Hiwin systems allows for seamless upgrades or repairs without extensive reconfigurationBacked by ISO 9001-certified quality control for consistent performance you can trust

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