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
By Precision Grade
P0 · P4 · P5 · P6All Products
4835 products found
High Precision LM Series Cold Rolled Miniature Ball Screw Bearing for CNC Machinery
Boost CNC machining precision and reduce downtime with our High Precision LM Series Cold Rolled Miniature Ball Screw Bearing—engineered to deliver smooth, consistent motion even in tight spaces. Crafted from premium alloy and cold-rolled for exceptional durability, this LM Ball Screw ensures reliable performance for critical CNC machinery operations, letting you focus on production quality without worrying about component wear.Precision-optimized design minimizes backlash, enhancing tool positioning accuracy for intricate manufacturing tasksSupports OEM/ODM customization to match specific machine requirements, ensuring seamless integration with your existing setupBacked by our ISO 9001-certified quality control and 12-month warranty, providing peace of mind for long-term production reliability
High Precision Cylindrical Roller Bearings NUP309EM for Industrial Machinery ISO Certified
Ensure smooth, high-precision rotation for your industrial machinery with our High Precision Cylindrical Roller Bearings NUP309EM. Engineered to deliver reliable performance under heavy radial loads, this ISO-certified bearing minimizes downtime and enhances equipment efficiency—ideal for manufacturers seeking consistent quality in critical applications.Precision grade P0-P4 and noise grade Z1V1-Z3V3 options ensure compatibility with demanding industrial environments45x100x25mm dimension with separated inner/outer rings allows easy installation and maintenance, reducing assembly timeConstructed from high-grade bearing steel for extended service life, even in continuous operation scenariosSupports OEM/ODM customization to match specific machinery requirements, backed by our 12-month warranty and technical support team
Tapered Roller Bearing 30311 30312 30313 for Loom Machinery with P0-P4 Precision
Ensure smooth, precise operation of your loom machinery with our Loom Machinery Tapered Roller Bearing—engineered to minimize downtime and enhance productivity across 30311, 30312, and 30313 models. Crafted with P0-P4 precision (up to P4 for critical high-speed applications), these bearings deliver consistent rotation even under the heavy loads and continuous motion typical in textile production.Grease or oil lubrication flexibility adapts to your maintenance routine, while Z1V1-Z3V3 vibration grades reduce noise and extend equipment life55*120*29mm specification (30311) ensures perfect fit for standard loom assemblies, with OEM/ODM support for custom dimensionsBacked by our ISO 9001-certified quality control, each bearing meets strict durability standards to handle the demands of industrial weaving operations
Deep Groove Ball Bearing 6224 6324 Zz 2RS DDU for Plastic Film Stretching Machinery
Ensure smooth, high-precision rotation for your plastic film stretching machinery with our Deep Groove Ball Bearing 6224 6324 Zz 2RS DDU. Engineered to minimize downtime and maintain consistent film quality, this bearing handles radial loads with exceptional stability, even in continuous production environments.Single-row, unseparated design ensures reliable performance under high-speed operation, crucial for maintaining tight tolerance in film stretching processesAvailable with Zz (metal shield), 2RS (rubber seal), or DDU (double rubber seal) options to suit your machinery's contamination and lubrication needsConstructed from high-grade bearing steel for extended service life, reducing the need for frequent replacements and keeping your production line running efficiently
High-Precision NSK 51228 51130 Thrust Ball Bearing for Industrial Machinery 140x200x46mm
Ensure smooth, precise rotation in your industrial machinery with the High-Precision NSK 51228 Thrust Ball Bearing, engineered to deliver reliable performance under heavy axial loads. This 140x200x46mm bearing minimizes downtime with its separated design for easy installation and maintenance, while P0-P4 precision ratings and Z1V1-Z3V3 vibration control ensure consistent operation even in demanding environments.Grease or oil lubrication flexibility adapts to your machinery’s unique needs, enhancing longevity and reducing wearISO 9001:2008 certification guarantees quality you can trust, backed by Saifan’s strict QC processes and 12-month warrantyIn-stock availability means quick delivery—get your equipment back up and running without costly delays
Needle Roller Bearings HK1616 22x16x16mm P0-P4 Precision Radial Bearing for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with the HK1616 Needle Roller Bearing, engineered to deliver reliable performance even under demanding conditions. This 22x16x16mm radial bearing, crafted from high-grade bearing steel, maintains P0-P4 precision ratings to minimize vibration and extend equipment lifespan, addressing the critical need for consistent operation in manufacturing environments.Features a closed, outer/inner ring-free design optimized for space-constrained applications, ideal for machine tools and textile equipmentSupports both grease and oil lubrication for versatile maintenance, ensuring adaptability to your existing workflowBacked by Saifan Bearings' ISO-certified production and 12-month warranty, delivering peace of mind with every turn
MGN5C Linear Guide Rail with Low Noise Ball Block for Precision Motion Systems
Experience ultra-smooth precision in your motion systems with the MGN5C Linear Guide Rail, featuring a low-noise ball block that eliminates disruptive operational sounds—ideal for sensitive environments where quiet performance matters. Crafted from high-grade alloy, this linear guide ensures consistent, reliable motion with minimal friction, directly addressing the challenge of maintaining accuracy in compact precision setups.Engineered for long life and high-speed operation, it integrates seamlessly into CNC machines, 3D printers, and automation equipment requiring tight tolerance control.Certified to ISO 9001 standards, the block’s optimized ball recirculation design reduces vibration, delivering the stable linear movement professionals trust for critical applications.
Self-Aligning Roller Bearing 23044 23048 23052 for Sugar Pressing Machinery High Precision
Ensure uninterrupted sugar pressing operations with our high-precision Self-Aligning Roller Bearings, engineered to deliver exceptional durability and performance in heavy-duty machinery. The 23044, 23048, and 23052 models feature double-row roller design and C3/C4 clearance options, specifically optimized to handle radial loads and misalignment common in sugar processing equipment—minimizing downtime and maintenance costs.Precision grades from P0 to P4 ensure smooth rotation even under high-speed conditions, while premium bearing steel construction guarantees long service lifeSupports OEM/ODM customization to match your machinery’s exact specifications, backed by our ISO 9001-certified quality control for consistent reliabilityRich stock availability ensures 3-5 day sample delivery, with bulk orders shipped within 5-15 working days to keep your production on schedule
High Quality Cylindrical Roller Thrust Bearing 81102 Tn for Industrial Machinery with P0-P4 Precision
Ensure smooth, precise rotation in industrial machinery with our High Quality Cylindrical Roller Thrust Bearing 81102 Tn, engineered to deliver reliable performance even under heavy axial loads. This P0-P4 precision bearing minimizes downtime and enhances equipment efficiency, making it ideal for industrial applications where stability and durability are non-negotiable.65*100*47 mm specification with separated design for easy installation and maintenance, a critical detail for seamless integration into machinery setupsGrease or oil lubrication flexibility adapts to diverse operating conditions, ensuring long service life and consistent performanceZ1V1-Z3V3 vibration control reduces noise and wear, addressing the need for smooth operation in high-precision industrial environments
NSK 6201 Deep Groove Ball Bearing 12x32x10mm P0-P4 Precision Z2V2 Vibration for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with the NSK 6201 Deep Groove Ball Bearing, engineered to deliver reliable performance even under continuous operation. This 12x32x10mm bearing combines P0-P4 precision grades with Z2V2 vibration control to minimize noise and extend equipment lifespan, addressing the need for consistent, low-maintenance components in heavy-duty applications.Single-row radial design with non-separable construction ensures easy installation and alignment, critical for maintaining operational efficiency in machine tools and conveyor systemsAvailable with Zz, 2RS, or Open seals to suit diverse lubrication needs (grease or oil), offering flexibility for custom industrial environmentsBacked by Saifan Bearings' strict quality control and 12-month warranty, this genuine NSK bearing provides the stability and durability professionals trust to keep production running without costly interruptions
Front Wheel Hub Bearing DAC35720433 for Koyo Auto Parts with P0-P4 Precision
Ensure smooth, reliable rotation for your Koyo auto parts with the DAC35720433 Front Wheel Hub Bearing, crafted to deliver P0-P4 precision that minimizes vibration and extends service life in demanding automotive applications. Made from high-grade bearing steel, this cylindrical roller bearing features a single-row separated structure and open seal design, optimized for radial load handling and easy maintenance—key for mechanics and manufacturers prioritizing durability and performance.Precision rating options (P0-P4) meet strict industry standards, ensuring compatibility with Koyo specifications35mm-400mm outer dimension range and 70*180*42mm specification fit seamlessly into front wheel assembliesBacked by ISO 9001:2015 quality control, offering consistent performance to reduce costly downtime
High Load Conical Roller Bearing 32305 32307 32309 for Industrial Machinery P0-P4 Precision
Boost industrial machinery performance with reliable High Load Conical Roller Bearing designed for heavy-duty applications. Available in models 32305, 32307, and 32309, these single-row bearings deliver P0-P4 precision to minimize downtime and enhance operational stability.Separated design allows easy installation and maintenance, ideal for industrial equipment requiring frequent servicingConstructed with high-grade bearing steel to withstand radial loads and ensure long service life in demanding environmentsOpen seals type supports versatile lubrication options (oil, grease, dry) for customizable performanceBacked by Saifan's ISO 9001-certified quality control, ensuring consistent rotation and reduced replacement costs
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.
Micro-Level Precision
Advanced CNC grinding to ABMA/DIN standards. Dimensional accuracy measured at micron level for consistent performance in high-speed applications.
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.
Certified Quality System
ISO 9001:2015 & ISO 14001 certified facility. Professional QC teams conduct 100% dimensional, noise, and vibration testing before shipment.
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.
±0.001mm
Dimensional Tolerance
≤55 dB
Noise Level (Z4)
180°C
Max Operating Temp
50,000h
Design Service Life
Engineered for Every Industry
From renewable energy to heavy metallurgy -- our bearings are trusted across the most demanding industrial environments worldwide.
Renewable Energy
Wind & solar power systems
Mineral Processing
Mining & crushing equipment
Marine & Offshore
Corrosion-resistant solutions
Steel & Metallurgy
High-temp heavy-load bearings
Wind Energy
Turbine main shaft bearings
Pulp & Paper
Wet environment performance
Medical & Lab
Ultra-low noise precision
Heavy Machinery
Maximum load capacity
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
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
🏷️
OEM Branding
Custom packaging & labels
⏱️
5-15 Day Lead
Bulk production timeline
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T/T · L/C · Alibaba
Flexible payment terms