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
Gewz34es-2RS Spherical Plain Bearing for Construction Machinery High Precision Steel-on-Steel
Ensure smooth, reliable operation in heavy-duty construction machinery with the Gewz34es-2RS spherical plain bearing, engineered to minimize downtime and boost equipment performance. This steel-on-steel bearing delivers high precision (34.925*55.563*52.375mm) and self-lubricating design, making it ideal for engineering hydraulic cylinders and forging machines where consistent rotation under extreme loads is critical.Long-lasting durability from premium bearing steel construction, reducing replacement frequency in demanding work environmentsLow noise operation and high load capacity ensure seamless integration into construction and automation equipmentSupports OEM/ODM customization to match specific machinery requirements, backed by our strict ISO 9001 quality control
Self-Aligning Roller Bearing 21317CAK W33 Double Row P0-P4 Precision for Industrial Machinery
Ensure smooth, reliable rotation for your industrial machinery with our Self-Aligning Roller Bearing 21317CAK W33—engineered to minimize downtime and handle misalignment challenges in heavy-duty operations. This double row bearing delivers P0-P4 precision, balancing high load capacity with exceptional durability to keep your equipment running longer between maintenance checks.85*180*41 mm specification with C0/C3/C4 clearance options for tailored performance in industrial setupsBearing steel construction ensures stability under radial loads, ideal for machinery like reducers and conveyorsSupports OEM/ODM customization to match your exact application needs, backed by our ISO 9001:2015 quality guarantee
Low Vibration NTN Deep Groove Ball Bearing 6034 170x260x42mm for Industrial Machinery
Achieve smoother, quieter machinery operation with the Low Vibration NTN Deep Groove Ball Bearing 6034, engineered to minimize noise and enhance stability in industrial equipment. This 170x260x42mm radial bearing delivers consistent performance under heavy loads, ensuring your machinery runs with reduced wear and extended service life.Single-row design with 0° contact angle optimizes radial load distribution, critical for high-precision industrial applicationsConstructed from premium bearing steel for reliable rotation and resistance to harsh operating conditionsPrecision-manufactured to meet strict industry standards, addressing the need for durable, low-maintenance components in your workflow
Split Plummer Pillow Block Housing Snl520-617 Bearing for Industrial Machinery 180mm Carbon Steel
Ensure seamless industrial machinery performance with the Split Plummer Pillow Block Housing Snl520-617 Bearing—a 180mm carbon steel solution engineered for reliable rotation in heavy-duty applications. Its split design simplifies installation and maintenance, minimizing downtime for machine tools and precision equipment.112mm centre height and 320mm bolt hole spacing ensure perfect alignment with industrial shafts, reducing vibration and extending component lifeCarbon steel construction delivers exceptional durability, addressing the need for consistent performance in demanding operational environmentsBacked by Saifan's ISO-certified quality and 12-month warranty, this split plummer bearing combines precision engineering with the flexibility to support both standard and custom machinery setups
Rod End Bearing NOS14 POSA PHSA Self-Lubricating Spherical Plain Bearing for Industrial Machinery
Minimize downtime and boost machinery efficiency with the Self-Lubricating Spherical Plain Bearing—engineered to deliver smooth, maintenance-free rotation in industrial applications. This Rod End Bearing NOS14 combines hydrodynamic lubrication with a self-lubricating bushing, eliminating the need for frequent manual lubrication and reducing operational disruptions. Steel-on-steel sliding contact ensures high precision (P0-P4 grade) and long service life, ideal for heavy-load industrial machinery Thin film lubrication technology maintains stable performance under varying speeds, addressing the challenge of inconsistent lubrication in high-demand equipment Compact 100*150*90 mm specification fits seamlessly into tight assemblies, with OEM/ODM support available for custom housing or size requirements Backed by Saifan’s ISO 9001-certified quality control, this bearing delivers reliable rotation you can trust—so your machinery keeps running, and your productivity stays on track.
Conical Roller Bearing 30203 30204 30205 30206 with P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation for your industrial machinery with our Conical Roller Bearing series (30203, 30204, 30205, 30206), engineered to deliver reliable performance even under heavy loads. Crafted with P0-P4 precision and Z1V1-Z3V3 vibration control, these bearings minimize downtime and extend equipment lifespan, addressing the critical need for consistent operation in demanding industrial environments.Grease or oil lubrication flexibility allows seamless integration into existing maintenance routines17*40*12mm specification (30203 model) ensures perfect fit for standard industrial shaftsBacked by our ISO 9001-certified manufacturing process for guaranteed quality and stability
UEL206-UEL210 Insert Pillow Block Bearings High Load Deep Groove for Industrial Machinery
Ensure smooth, high-load industrial machinery operation with our UEL206-UEL210 Insert Pillow Block Bearings—engineered to deliver reliable rotation even under heavy-duty conditions. These deep groove bearings minimize downtime by combining robust bearing steel construction with precision P0-P4 ratings, addressing the critical need for consistent performance in demanding industrial environments.Single-row deep groove raceway design optimizes load distribution, ideal for machine tools, conveyors, and textile equipmentFlexible lubrication options (grease or oil) and Z1V1-Z3V3 vibration control ensure adaptability to diverse operational needsRich stock availability enables quick 3-5 day sample delivery, supporting your production timelines with minimal delay
Tapered Roller Bearing 30305 30306 30307 P0-P4 Precision Long Life for Industrial Machinery
Ensure smooth, long-lasting operation for your industrial machinery with our high-performance Tapered Roller Bearing series (30305, 30306, 30307). Engineered to deliver precision from P0 to P4 grade and Z1V1-Z3V3 vibration control, these bearings reduce downtime and maintenance costs while handling heavy radial and axial loads with minimal noise.P0-P4 precision ratings ensure exact fit for machine tools, reducers, and industrial equipment, eliminating alignment issues that cause premature wearHigh-grade chrome steel construction and strict ISO 9001 quality control guarantee extended service life even in demanding working conditionsFlexible order options with rich stock availability mean fast 3-5 day sample delivery and reliable bulk supply to keep your production on track
6207n Deep Groove Ball Bearing with Snap Ring Groove 35x72x17mm Stainless Steel for Industrial Machinery
Ensure smooth, reliable rotation in your industrial machinery with the 6207n Deep Groove Ball Bearing, crafted to deliver long-lasting performance even in demanding work environments. This 35x72x17mm stainless steel bearing features a snap ring groove for secure axial positioning, eliminating the need for additional retention hardware and simplifying installation.Stainless steel construction resists corrosion and wear, maintaining precision (P0-P4 grade) and low noise (Z2-Z4) operation over extended cyclesSheet metal cage design ensures stable ball guidance, critical for maintaining alignment in high-speed industrial applicationsBacked by Saifan Bearings' ISO 9001:2015 quality assurance, this bearing minimizes downtime with consistent performance and a 12-month warranty
High Precision Thrust Ball Bearing 51217 51317 for Vertical Water Pump with ISO9001
Ensure smooth, long-lasting vertical water pump operation with the High Precision Thrust Ball Bearing 51217 51317, engineered to deliver reliable axial load handling and minimize downtime. Crafted from premium bearing steel with P0-P4 precision ratings and Z1V1-Z3V3 vibration control, this separated-type thrust bearing maintains stability even in demanding pump applications, addressing the need for consistent performance in critical industrial setups.ISO9001:2015 certified for quality assurance, ensuring compliance with global industrial standardsSingle-row design with 0° contact angle optimizes load distribution for vertical shaft configurationsAvailable in stock with flexible lubrication options (grease or oil) to match specific pump requirementsSupports OEM/ODM customization to fit unique installation needs, backed by Saifan's 12-month warranty and responsive technical support
China HR30228J HR30230J HR30232J HR30234J Tapered Roller Bearings with Long Life for Industrial Machinery
Minimize downtime and maximize productivity with our China Tapered Roller Bearings for Industrial Use—engineered to deliver exceptional durability for heavy-duty machinery. These HR30228J, HR30230J, HR30232J, and HR30234J models combine high-speed performance with low noise operation, ensuring smooth rotation even in demanding industrial environments.Precision-crafted to P0-P4 grades with Z1V1-Z3V3 vibration control, meeting strict ISO standards for reliable, long-term service170*310*57mm规格 (HR30234J) 适配多种工业设备，减少频繁更换带来的生产中断Backed by Saifan’s 12-month warranty and technical support, ensuring peace of mind for your critical operations
High Speed Deep Groove Ball Bearing 62305 62306 62307 62308 for Industrial Machinery
Keep your industrial machinery running at peak efficiency with our High Speed Deep Groove Ball Bearing series (62305, 62306, 62307, 62308). Engineered for smooth, reliable rotation in demanding industrial applications, these bearings deliver consistent performance to minimize downtime and boost productivity.Precision-crafted with high-grade bearing steel and a 0° contact angle, ensuring optimal radial load handling and long service lifeAvailable in critical dimensions like 25*62*24mm (62305 model), perfectly suited for machine tools, conveyors, and textile equipmentMeets strict ISO standards for stability, reducing the risk of unexpected failures even under high-speed operation
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
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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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