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
Thrust Ball Bearing 51101-51106 P0-P4 Precision ISO Certified for Industrial Machinery
Ball Bearing

Thrust Ball Bearing 51101-51106 P0-P4 Precision ISO Certified for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with our Thrust Ball Bearing 51101-51106—engineered to deliver reliable performance even under axial loads. Crafted from high-grade bearing steel with P0-P4 precision ratings and Z1V1-Z3V3 vibration control, this ISO-certified bearing minimizes downtime and extends equipment lifespan, addressing the need for consistent operation in demanding industrial environments.Separated design allows easy installation and maintenance, a critical feature for quick replacements in production linesGrease or oil lubrication flexibility adapts to diverse operating conditions, from heavy machinery to precision toolsIn-stock availability ensures fast 3-5 day delivery, keeping your operations on schedule without delays

Linear Guide Mgn9 Hiwin Hgw20hc HGH30hc for Construction & Mining Machinery
Linear Bearing

Linear Guide Mgn9 Hiwin Hgw20hc HGH30hc for Construction & Mining Machinery

Ensure smooth, precise motion in your construction and mining machinery with our Linear Guide Mgn9 Hiwin Hgw20hc HGH30hc—built to reduce downtime and boost operational efficiency even in heavy-duty environments. Crafted from high-grade bearing steel and available in precision ratings from P0 to P2, these linear guides deliver consistent performance under extreme loads, addressing the challenge of maintaining reliability in tough working conditions.Hiwin HGW20HC and HGH30HC models feature Z1V1-Z3V3 vibration control for stable operation in mining equipmentSeparated design allows easy maintenance and replacement, minimizing machine idle timeISO 9001:2008 certified construction ensures compliance with industrial standards for automotive and metallurgy applicationsGrease or oil lubrication flexibility adapts to your machinery’s specific needs, enhancing longevity

Self-Aligning Roller Bearing 22244 22248 22252 22256 22260 CC CA for Industrial Machinery
Roller Bearing

Self-Aligning Roller Bearing 22244 22248 22252 22256 22260 CC CA for Industrial Machinery

Keep your industrial machinery running smoothly with Saifan's high-performance Self-Aligning Roller Bearing, designed to minimize downtime and maximize productivity. These 22244, 22248, 22252, 22256, and 22260 models (CC/CA configurations) deliver exceptional radial load capacity and self-aligning capability, making them ideal for heavy-duty applications like machine tools and conveyors.Precision-engineered to P4 grade with C3/C4 clearance options, ensuring stable operation even under variable loadsFeatures low noise (Z2-Z4 grade) and extended service life, crafted from premium bearing steel for consistent performanceAvailable in double-row design with unseparated structure, providing reliable misalignment compensation up to 2°Backed by Saifan's 12-month warranty and flexible order support—from 1pc samples to bulk shipments with 5-15 day delivery

Linear Bearing R165332320 for Automobile Mining Machinery High Precision P0-P2
Linear Bearing

Linear Bearing R165332320 for Automobile Mining Machinery High Precision P0-P2

Ensure smooth, precise motion in automotive and mining machinery with the Linear Bearing R165332320, engineered to deliver reliable performance even in heavy-duty conditions. Crafted from high-grade bearing steel and available in P0-P2 precision ratings, this thrust linear bearing minimizes downtime by maintaining consistent operation under extreme loads—ideal for equipment where reliability directly impacts productivity.Single-row separated design allows easy installation and maintenance, a critical advantage for busy industrial settingsSupports both grease and oil lubrication to adapt to varying operational environmentsBacked by ISO 9001:2015 quality standards and in-stock availability for quick deploymentCustomizable via OEM/ODM services to match specific machinery requirements, ensuring a perfect fit for your application

Cylindrical Roller Bearing NUP210EM 50x90x20mm High Precision P4 for Industrial Machinery
Roller Bearing

Cylindrical Roller Bearing NUP210EM 50x90x20mm High Precision P4 for Industrial Machinery

Ensure your industrial machinery runs with uncompromising precision using the Cylindrical Roller Bearing NUP210EM, engineered to deliver P4-grade accuracy in every rotation. This 50x90x20mm bearing minimizes vibration and extends equipment lifespan, solving the frustration of frequent downtime and maintenance costs in high-demand operations.Single-row separated design allows for easy installation and replacement, a critical feature for industrial setups requiring quick maintenanceConstructed with high-grade bearing steel to withstand radial loads and ensure stable performance in machinery like machine tools and textile equipmentOpen seals type supports versatile lubrication (oil, grease, dry) to adapt to your specific operating conditions

Outer Spherical Pillow Block Bearings UEL305-UEL310 High Load for Industrial Machinery
Housing Bearings

Outer Spherical Pillow Block Bearings UEL305-UEL310 High Load for Industrial Machinery

Ensure smooth, high-load industrial machinery operation with our Outer Spherical Pillow Block Bearings UEL305-UEL310—engineered to deliver reliable performance even in demanding conditions. Crafted from premium bearing steel with deep groove raceways, these single-row bearings minimize vibration (Z1V1-Z3V3) and maintain precision (P0-P4) for extended service life, addressing the need for consistent, low-maintenance rotation in heavy-duty applications.High load capacity design supports industrial machinery like conveyors and pumps, reducing downtime from premature wearFlexible lubrication options (grease or oil) and rich stock availability ensure quick deployment and easy maintenanceOEM/ODM customization available to match specific shaft sizes (35mm-400mm bearing block) and application requirements

Automobile Hub Bearings DAC30640042 30x64x42mm Low Noise Long Life ODM Bearing
Automotive Bearing

Automobile Hub Bearings DAC30640042 30x64x42mm Low Noise Long Life ODM Bearing

Experience smoother, quieter rides with the Automobile Hub Bearings DAC30640042 — designed to reduce noise and extend service life for your vehicle. Crafted to precise 30x64x42mm specifications, this double-row radial bearing ensures reliable performance under demanding conditions, making it ideal for both daily commutes and long-haul journeys.Low noise Z1V1-Z3V3 vibration grades minimize driving distractions, while high-grade bearing steel construction delivers exceptional durabilitySupports P0-P4 precision levels to meet strict automotive standards, ensuring seamless integration with your wheel hub assemblyBacked by our expertise in ODM customization and ISO-certified quality control, this bearing offers consistent performance you can trust

Flanged Linear Ball Bearing LMEK8LUU-LMEK60LUU for Precision Machinery OEM ODM
Linear Bearing

Flanged Linear Ball Bearing LMEK8LUU-LMEK60LUU for Precision Machinery OEM ODM

Ensure smooth, precise linear motion in your precision machinery with the Flanged Linear Ball Bearing LMEK8LUU-LMEK60LUU series, engineered to eliminate vibration and reduce wear for extended equipment lifespan. Crafted from high-grade alloy and designed with the LMEK series' signature flanged housing, these bearings deliver consistent performance in tight tolerance applications—ideal for OEM/ODM projects where reliability directly impacts production efficiency. Direct drop-in replacement for standard LM series bearings, featuring pre-lubricated UU seals to minimize maintenance needs Supports high radial loads while maintaining smooth axial movement, crucial for precision tools and automated machinery Backed by our ISO 9001-certified manufacturing process, ensuring each unit meets strict dimensional and performance standards

Double Row Angular Contact Ball Bearings for Textile Equipment with P0-P4 Precision
Ball Bearing

Double Row Angular Contact Ball Bearings for Textile Equipment with P0-P4 Precision

Boost your textile machinery's performance with Double Row Angular Contact Ball Bearings engineered for smooth, precise operation. These P0-P4 precision bearings minimize vibration (Z1V1-Z3V3 grades) and extend equipment uptime, addressing the critical need for reliable rotation in high-speed textile production.Unseparated design ensures consistent radial and axial load handling, ideal for looms and spinning framesHigh-grade bearing steel construction delivers long service life even under continuous operationSupports OEM/ODM customization to match specific textile equipment specifications, with in-stock availability for quick turnaroundBacked by ISO 9001:2015 quality standards, these bearings keep your production line running efficiently—no more unexpected downtime from subpar components.

Self Aligning Ball Bearing 2311K-2RS P0-P4 Precision with Steel/Brass Cage for Industrial Machinery
Ball Bearing

Self Aligning Ball Bearing 2311K-2RS P0-P4 Precision with Steel/Brass Cage for Industrial Machinery

Ensure smooth, precise rotation for your industrial machinery with our Self Aligning Ball Bearing 2311K-2RS, engineered to eliminate misalignment issues and reduce downtime. Crafted with high-grade materials and available in P0-P4 precision grades, this 55x120x43mm bearing delivers consistent performance even under heavy loads, making it ideal for machine tools, textile equipment, and other industrial applications.Steel or brass cage options accommodate varying temperature and load requirements, ensuring durability in diverse working conditions2RS sealing design minimizes contamination and extends service life, reducing maintenance needsComplies with ISO standards for reliable quality, backed by our 12-month warranty and responsive technical support

Timken 33006 Taper Roller Bearing 30x55x20mm Single Row Open for Industrial Machinery
Roller Bearing

Timken 33006 Taper Roller Bearing 30x55x20mm Single Row Open for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with the Timken 33006 taper roller bearing, engineered to deliver reliable performance under heavy loads. This single row open bearing (30x55x20mm) features separated inner and outer rings for easy installation and maintenance, making it a smart choice for machinery that demands consistent operation.Precision-machined from high-grade bearing steel with P0-P4 accuracy ratings to minimize vibration and extend equipment lifespanDesigned for radial load applications in industrial settings, compatible with oil, grease, or dry lubrication to suit your maintenance needsBacked by Timken's legacy of quality, this bearing ensures stable supply and reduces downtime—critical for keeping your production line running efficiently

Automobile Air Conditioning Compressor Bearing NSK 30BD4722DU 30x47x22mm Low Noise Long Life
Automotive Air Conditioning Compressor Bearing

Automobile Air Conditioning Compressor Bearing NSK 30BD4722DU 30x47x22mm Low Noise Long Life

Ensure smooth, quiet operation of your car’s AC system with the Automobile AC Compressor Bearing NSK 30BD4722DU, designed to deliver long-lasting performance in demanding automotive environments. This precision-engineered 30x47x22mm bearing minimizes noise during operation and extends compressor lifespan, reducing the need for frequent replacements.Double-row radial design handles radial loads efficiently, ensuring stable performance in high-speed AC compressor applicationsConstructed from high-grade bearing steel with P0-P4 precision ratings, meeting strict industry standards for reliabilityGrease or oil lubrication compatibility allows flexible maintenance, adapting to various compressor models and usage conditions

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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T/T · L/C · Alibaba

Flexible payment terms