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 NTN 6306 Deep Groove Ball Bearing 30x72x19mm for Industrial Machinery
Ensure smooth, precise rotation for your industrial machinery with the high-precision NTN 6306 deep groove ball bearing. Engineered to deliver reliable performance in demanding applications like gearboxes and fans, this 30x72x19mm bearing minimizes downtime and maximizes operational efficiency—exactly what you need to keep production running without interruption.Constructed from premium bearing steel for exceptional durability and long service life, even under heavy loadsSupports both grease and oil lubrication, offering flexibility to match your specific machinery requirementsBacked by Saifan’s strict quality control and 12-month warranty, ensuring consistent performance you can trust
Deep Groove Ball Bearing 6306 30x72x19mm P0-P4 Precision for Auto Parts – SKF NSK NTN Timken NACHI
Ensure smooth, reliable rotation in auto parts with our Deep Groove Ball Bearing 6306—engineered to deliver precise performance (30x72x19mm) and long service life, even under demanding conditions. Crafted from high-grade chrome steel with P0-P4 precision and Z1V1-Z3V3 vibration control, this bearing minimizes noise and wear, solving common issues with inconsistent performance in automotive applications.Seal options (ZZ, 2RS, Open) and grease/oil lubrication flexibility adapt to your specific assembly needsBacked by ISO 9001:2015 quality standards and our 12-month warranty for worry-free integrationSupports OEM/ODM customization to match exact specifications, ensuring perfect fit for your production line
Auto Parts Deep Groove Ball Bearing 6306 (30x72x19mm) Zz 2RS Open P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation for your industrial machinery with the Auto Parts Deep Groove Ball Bearing 6306 (30x72x19mm). Engineered to deliver reliable performance across P0-P4 precision grades, this bearing minimizes downtime and maximizes equipment efficiency, even in demanding automotive and industrial applications. Available with Zz, 2RS, or Open seals to suit your lubrication needs (grease or oil), ensuring optimal protection against contaminants and extending service life Backed by strict quality control and ISO-certified manufacturing, this bearing maintains consistent performance to keep your operations running without unexpected interruptions
Deep Groove Ball Bearing 6305 25x62x17mm High Precision for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with the Deep Groove Ball Bearing 6305, engineered to deliver reliable performance and extended service life. This 25x62x17mm high-precision bearing handles radial loads with minimal friction, reducing downtime and maintenance costs for manufacturers and distributors alike.Single-row design with 0° contact angle optimizes load distribution for consistent operation in machine tools, conveyors, and agricultural equipmentConstructed from premium bearing steel to withstand heavy-duty industrial conditions, meeting ISO standards for stability and durabilitySupports flexible ordering with 1-piece MOQ and fast 3-5 day sample delivery, ideal for both small-scale repairs and bulk production needs
High-Precision SKF 6305 Deep Groove Ball Bearing 25x62x17mm for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with the SKF 6305 deep groove ball bearing—engineered to deliver consistent performance under radial loads. This 25x62x17mm high-precision bearing minimizes vibration and extends equipment lifespan, addressing the need for reliable components in demanding manufacturing environments.Single-row design with 0° contact angle optimizes load distribution for machine tools, conveyors, and textile equipmentPremium bearing steel construction ensures durability, meeting ISO standards for industrial-grade reliabilityCompact 8.2x8.2x3.7cm packaging supports efficient inventory management, with 1-piece MOQ available for quick replacement needs
Marine Equipment 6305 Deep Groove Ball Bearing 25X62X17mm Rustproof Corrosion Resistant
Ensure smooth, long-lasting performance for your marine equipment with our Marine Equipment 6305 Deep Groove Ball Bearing (25X62X17mm). Engineered to resist rust and corrosion in harsh aquatic environments, this bearing eliminates the hassle of frequent replacements and keeps your machinery running reliably even in saltwater or high-moisture conditions.Precision-crafted with high-grade bearing steel for optimal load capacity and reduced vibration, ensuring seamless operation in marine gearboxes, pumps, and propulsion systemsSupports both grease and oil lubrication to adapt to your specific maintenance routine, backed by our ISO 9001-certified quality control for consistent performanceCustomizable options available to meet unique marine equipment specifications, with fast sample delivery (3-5 working days) to test compatibility before full deployment
Deep Groove Ball Bearing NTN 6300-2RS1 6301-2RS1 6302-2RS1 6303-2RS1 for Industrial Machinery
Ensure smooth, reliable operation for your industrial machinery with NTN 6300-2RS1, 6301-2RS1, 6302-2RS1, and 6303-2RS1 Deep Groove Ball Bearings. These precision-engineered components deliver consistent performance under heavy loads, reducing downtime and extending equipment lifespan—perfect for maintaining productivity in demanding manufacturing environments.10*35*11mm specification (6300-2RS1) ensures precise fit for machinery shafts, with double rubber seals (2RS1) providing superior protection against dust and moisture for long-term reliabilitySupports both grease and oil lubrication to adapt to your maintenance routine, backed by ISO 9001:2015 certification for quality you can trustFlexible supply options from a trusted manufacturer with decades of export experience, offering fast delivery (3-5 days for samples) to keep your operations running without interruption
624 Micro Deep Groove Ball Bearing 4x13x5mm for Power Tools, Low Noise High Speed
Ensure smooth, quiet operation in your power tools with the 624 micro deep groove ball bearing—engineered to deliver high-speed performance without the distracting noise that disrupts workflow. At 4x13x5mm, this precision component fits seamlessly into compact tool designs, leveraging Saifan’s decades of manufacturing expertise to maintain stable rotation even under continuous use.Designed for low noise (Z2-Z3 grade) and high RPM capabilities, ideal for power drills, grinders, and other handheld toolsConstructed with premium chrome steel for extended service life, addressing the common challenge of frequent bearing replacements in high-demand applicationsSample available for testing, with bulk orders shipped in 5-15 working days to keep your production on schedule
Deep Groove Ball Bearing 62310-62314 for Industrial Machinery with ISO Certified Long Life
Keep your industrial machinery running smoothly with our Deep Groove Ball Bearing 62310-62314—engineered for long life and reliable performance you can trust. Crafted from high-grade bearing steel and ISO certified, these single-row radial bearings (contact angle 0°) deliver consistent rotation even under heavy loads, reducing costly downtime and maintenance needs.Precision-engineered for industrial applications with dimensions ranging from 50*110*40mm (62310) to ensure perfect fit and optimal load distributionBacked by our strict quality control and 12-month warranty, giving you peace of mind for your critical machinery operations
Deep Groove Ball Bearing 62310-62314 for Industrial Machinery, Long-Lived Bearing Steel
Ensure smooth, long-lasting operation for your industrial machinery with our Deep Groove Ball Bearing range (62310-62314), crafted from high-grade bearing steel to minimize downtime and extend equipment lifespan. These single-row radial bearings (contact angle 0°) deliver reliable performance under radial loads, making them ideal for machine tools, conveyors, and heavy-duty industrial applications.Precision-engineered with 50*110*40mm specifications (62310 model) to ensure perfect fit and reduced vibrationManufactured to meet ISO standards, backed by Saifan’s strict quality control and 12-month warranty for peace of mindFlexible ordering with 1-piece MOQ and fast 3-5 day sample delivery, designed to keep your production on track
High Speed Deep Groove Ball Bearing 62305 62306 62307 62308 for Industrial Machinery
Ensure smooth, high-speed rotation for your industrial machinery with our High Speed Deep Groove Ball Bearing series (62305, 62306, 62307, 62308). Engineered to deliver reliable performance under continuous operation, these bearings reduce downtime and enhance equipment efficiency, even in demanding manufacturing environments.Single-row radial design with 0° contact angle ensures optimal load distribution and low friction, ideal for machine tools, textile machinery, and conveyor systemsPrecision-crafted from high-grade bearing steel for extended service life, meeting ISO industrial standards for stability and durabilityAvailable in standard sizes (e.g., 25*62*24mm for 62305) with flexible order options—supporting both small-scale repairs and large production runs
Deep Groove Ball Bearing 62301 12x37x17mm for High Speed Auto Applications
Ensure smooth, high-speed performance in your auto applications with the reliable Deep Groove Ball Bearing 62301. Designed to deliver consistent rotation even under demanding conditions, this 12x37x17mm bearing minimizes downtime and enhances machinery longevity, addressing the need for stable, low-maintenance components in automotive systems.Precision-engineered with high-grade materials to meet P0-P4 precision standards, ensuring optimal fit and reduced noise in high-speed operationsSupports seamless integration into auto transmissions and auxiliary systems, backed by Saifan’s ISO 9001:2015 quality certification for trusted reliabilityFlexible order options with 1-piece MOQ and fast 3-5 day sample delivery, making it easy to test compatibility before full-scale deployment
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
💳
T/T · L/C · Alibaba
Flexible payment terms