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
Industrial High Precision NSK 6905 Deep Groove Ball Bearing 25x42x9mm for Machinery
Ensure smooth, precise rotation in your industrial machinery with the NSK 6905 deep groove ball bearing, engineered to deliver reliable performance and extended service life. This 25x42x9mm high-precision bearing minimizes vibration and noise (Z2-Z4 grade) for seamless operation in machine tools, textile equipment, and printing machinery.Customizable lubrication options (grease or oil) adapt to specific working conditions, reducing maintenance downtimeGenuine NSK quality meets ISO/ABMA/DIN standards, ensuring compatibility with critical industrial applicationsSample available for testing, with bulk orders shipped in 5-15 days to keep your production on schedule
Deep Groove Ball Bearing 6830 6930 for Mining & Rolling Industrial Equipment High Durability
Ensure uninterrupted mining and rolling operations with our Deep Groove Ball Bearing 6830 6930, engineered for high durability in heavy-duty industrial environments. These single-row radial bearings deliver consistent performance under extreme loads, minimizing downtime and extending equipment service life—critical for maintaining productivity in demanding settings.Precision-crafted from high-grade bearing steel to withstand abrasion and shock, ensuring reliable rotation even in harsh mining conditionsUnseparated design provides structural stability, reducing the risk of component failure during high-speed operationMeets industry standards for radial load handling, making it ideal for rolling machinery where consistent performance is non-negotiableBacked by our 12-month warranty and expert technical support, ensuring peace of mind for your industrial equipment needs
High Speed 6805 Deep Groove Ball Bearing 25X37X7mm for Drilling Equipment with Grease Lubrication
Ensure smooth, high-speed performance for your drilling equipment with the 6805 deep groove ball bearing, engineered to minimize downtime and maximize productivity. This 25X37X7mm precision component delivers reliable rotation even under heavy loads, thanks to its grease lubrication that reduces friction and extends service life.Customizable options available to meet specific drilling machinery requirements, ensuring a perfect fit for your equipmentBacked by Saifan Bearings' strict quality control and 12-month warranty, providing peace of mind for long-term useSample available for testing, with efficient delivery to get your operations up and running quickly
High Precision 6805 Deep Groove Ball Bearing 25X37X7mm for Industrial Machinery
Ensure smooth, precise rotation for your industrial machinery with the High Precision 6805 Deep Groove Ball Bearing 25X37X7mm. Engineered to minimize downtime and maximize durability, this bearing delivers consistent performance in demanding work environments, letting you focus on productivity without worrying about component failure.Precision-grade construction (P0-P4 available) ensures tight tolerances for reduced vibration and extended machinery lifespan25x37x7mm dimensions perfectly fit standard industrial equipment, with customizable options to meet unique operational needsGrease or oil lubrication flexibility adapts to your maintenance routine, keeping machinery running at peak efficiencyBacked by Saifan’s ISO 9001-certified quality control and responsive after-sales support, this 6805 ball bearing is the reliable choice for manufacturers seeking long-term value and performance.
NSK 6802zz 15X24X5 Shielded Deep Groove Ball Bearing for Precision Machinery
Ensure smooth, precise rotation in your precision machinery with the NSK 6802zz deep groove ball bearing, engineered to deliver consistent performance and reduce downtime. This shielded 15X24X5 mm bearing minimizes contamination risks while maintaining low noise operation, making it ideal for high-precision applications where reliability is non-negotiable.NSK genuine quality ensures long service life and stable rotation, addressing the need for durable components in critical equipmentShielded design (ZZ) protects internal parts from dust and debris, extending maintenance intervals for seamless operationPrecision-machined 15x24x5 mm dimensions guarantee perfect fit in compatible machinery, eliminating alignment issues
High Precision NSK 6802 Deep Groove Ball Bearing 15X24X5mm for Riveting Equipment
Ensure smooth, precise operation of your riveting equipment with the High Precision NSK 6802 Deep Groove Ball Bearing, engineered to deliver consistent performance in high-stress industrial applications. This 15X24X5mm bearing minimizes vibration and wear, reducing downtime and extending the lifespan of your machinery—critical for maintaining productivity in fast-paced manufacturing environments. Precision-grade construction (P0-P4 standard) ensures tight tolerance control, ideal for the repetitive motion demands of riveting tools Grease or oil lubrication flexibility allows adaptation to specific operating conditions, enhancing versatility across workflows Genuine NSK quality with ISO 9001:2015 certification, backed by a 12-month warranty for long-term reliability Sample available for fit testing, with bulk orders shipped in 5-15 working days to keep your production on schedule
Low Noise NSK 6802 Deep Groove Ball Bearing 15x24x5mm for Automatic Transmission
Ensure smooth, quiet operation in your automatic transmission with the NSK 6802 deep groove ball bearing, engineered to minimize noise and enhance durability. This 15x24x5mm precision component delivers reliable performance under varying loads, addressing common concerns of vibration and premature wear in transmission systems.Low noise design (Z2/Z3 grade) reduces operational sound for a more refined driving experiencePrecision-machined 15x24x5mm dimensions ensure perfect fit in automotive transmission assembliesSupports both grease and oil lubrication for flexible maintenance needsBacked by Saifan's strict quality control and 12-month warranty for long-term peace of mind
Deep Groove Ball Bearing NTN 6403 17x62x17mm Heavy Duty for Agricultural Machinery
Ensure reliable performance for your agricultural machinery with the Deep Groove Ball Bearing NTN 6403, engineered to withstand heavy-duty operations and minimize downtime. This 17x62x17mm bearing delivers smooth rotation under high loads, thanks to premium bearing steel construction and precision manufacturing that meets strict industrial standards.Perfect fit for tractors, harvesters, and other farm equipment, with grease or oil lubrication options to adapt to varying working conditionsCustomizable specifications available to match your exact machinery requirements, backed by our expertise in OEM/ODM solutionsQuick sample availability and flexible order options ensure you get the parts you need without unnecessary delays, keeping your operations running efficiently
Deep Groove Ball Bearing 6403 6804 6904 6004 6204 for Industrial Machinery ISO Certified
Ensure smooth, long-lasting operation for your industrial machinery with our high-performance Deep Groove Ball Bearing lineup, including 6403, 6804, 6904, 6004, and 6204 models. Engineered to ISO standards, these bearings deliver reliable precision (P0-P4 grade) and reduced noise (Z2-Z4 grade), minimizing downtime and maintenance costs for manufacturers and distributors alike.Precision-machined with high-grade chrome steel for extended service life in heavy-duty applicationsFlexible lubrication options (grease or oil) to adapt to specific machinery requirementsBacked by our 12-month warranty and responsive technical support, ensuring peace of mind from installation to operation
Dustproof NTN 6310 Deep Groove Ball Bearing 50x110x27mm for Construction Equipment Gearbox
Ensure your construction equipment gearbox runs smoothly even in harsh conditions with the dustproof NTN 6310 deep groove ball bearing, expertly engineered to minimize downtime and extend machinery lifespan. This 50x110x27mm bearing delivers reliable rotation under heavy loads, thanks to high-grade bearing steel construction and precision manufacturing that meets global industrial standards.Seamless fit for gearbox applications, reducing maintenance needs with its robust dustproof designGrease or oil lubrication flexibility adapts to your equipment’s specific operating requirementsBacked by Saifan’s 12-month warranty and responsive technical support, ensuring peace of mind for your operations
High Precision NTN 6308LLUC3 Deep Groove Ball Bearing for Industrial Motors 40x90x23mm in Stock
Ensure smooth, long-lasting industrial motor performance with the High Precision NTN 6308LLUC3 Deep Groove Ball Bearing. Engineered to minimize vibration and extend equipment lifespan, this 40x90x23mm bearing delivers consistent precision for critical applications like gearboxes and fans.NTN Japan original quality with bearing steel construction ensures reliable rotation under heavy loadsPre-lubricated with grease or oil option to reduce maintenance downtimeAvailable for immediate shipping with customizable packaging to fit your inventory needs
High Speed Deep Groove Ball Bearing 6308 for Textile Machines 40x90x23mm
Keep your textile machines running smoothly with the High Speed Deep Groove Ball Bearing 6308—precision-engineered to deliver reliable performance and minimize downtime. This 40x90x23mm bearing ensures consistent rotation even under high-speed conditions, thanks to premium bearing steel construction and optimized lubrication options (grease or oil).Customizable design adapts to your specific textile equipment needs, from gearboxes to fan systemsISO-certified quality guarantees long service life, reducing replacement frequency and maintenance costsSample available for testing, with flexible order options to suit both small-scale trials and bulk production
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.
📦
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