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 Speed Low Noise Deep Groove Ball Bearing 61905NR 61905-ZN 61905-ZNR 25x42x9mm
Experience smoother, quieter operation in your machinery with our Deep Groove Ball Bearing—engineered to deliver high-speed performance with minimal noise, perfect for precision-dependent applications. This 25x42x9mm bearing (models 61905NR, 61905-ZN, 61905-ZNR) features a single row radial design and 0° contact angle, ensuring optimal load distribution and long-lasting reliability even under demanding conditions. Crafted from premium bearing steel for enhanced durability, reducing downtime and maintenance costs Low noise Z2/Z3 grade construction minimizes operational disruption in sensitive environments Versatile compatibility with industrial machinery, automotive components, and home appliances Backed by Saifan's strict quality control and 12-month warranty for peace of mind
Thrust Ball Bearings 51103 51203 51104 for Automobile with P0-P4 Precision and Z1V1-Z3V3 Vibration Grade
Ensure smooth, low-vibration performance in automotive applications with our Thrust Ball Bearings – designed to deliver precise axial load handling and extended service life for critical components. Available in models 51103 (17*30*9mm), 51203, and 51104, these bearings combine high-grade bearing steel construction with P0-P4 precision ratings and Z1V1-Z3V3 vibration grades, ensuring reliable rotation even under demanding conditions.Single-row separated design allows easy installation and maintenance, reducing downtime for mechanics and manufacturersGrease or oil lubrication flexibility adapts to diverse operating environments, from passenger vehicles to industrial machineryISO 9001:2015 certified production guarantees consistent quality, backed by our 12-month warranty for peace of mind
Deep Groove Ball Bearing 6215 6315 6415 Zz 2RS DDU for Mining Processing Plant
Ensure smooth, reliable rotation in your mining processing plant with our high-precision Deep Groove Ball Bearing series (6215, 6315, 6415) — designed to minimize downtime and maximize equipment performance. Crafted from premium bearing steel with ZZ, 2RS, and DDU seal options, these single-row radial bearings deliver exceptional load capacity and resistance to harsh mining conditions.Precision-engineered to P0-P4 standards for consistent operation under heavy radial loadsUnseparated design ensures easy installation and maintenance, reducing operational disruptionsMeets ISO industrial standards, backed by our 12-month warranty for long-term peace of mind
Self Aligning Ball Bearings 1306 1306TNI for Metallurgy Rolling Mills Petroleum Industry
Ensure smooth, reliable rotation in your metallurgy rolling mills and petroleum industry equipment with our Self Aligning Ball Bearings 1306 1306TNI. Designed to handle radial loads and misalignment, these double-row bearings minimize downtime and maintenance costs in heavy-duty applications.Precision-engineered with P0-P4 grades and C0/C3/C4 clearance options to meet strict operational demands60° contact angle enhances load distribution, ideal for high-stress industrial environmentsDurable steel or brass cage construction ensures long service life even under extreme conditionsQuick 10-15 day delivery keeps your production on schedule, backed by our ISO-certified quality commitment
Auto Wheel Hub Bearing DAC38700037 4RS 30*60*37mm P6 Precision for Car Applications
Ensure smooth, quiet rotation for your car with the reliable Auto Wheel Hub Bearing DAC38700037 4RS. Crafted to P6 precision (30*60*37mm), this bearing minimizes vibration and extends wheel assembly lifespan, even under daily driving stress.4RS sealing design locks in lubrication and blocks contaminants, reducing maintenance needsHigh-grade ball bearing steel construction delivers consistent performance across temperature extremesDirect replacement fit for seamless installation, backed by our 12-month warranty and technical support
Self-Aligning Roller Bearing 22230CDE4/C3 150x270x73mm for Industrial Machinery
Ensure smooth, reliable rotation in your industrial machinery with the Self-Aligning Roller Bearing 22230CDE4/C3, designed to handle heavy radial loads and misalignment effortlessly. This 150x270x73mm double row bearing features C3 clearance for optimal performance in high-temperature or high-speed applications, reducing downtime and extending equipment lifespan. Precision engineering from P0 to P4 grades ensures consistent operation, addressing common issues with vibration and wear in demanding industrial environments Constructed with high-grade bearing steel for exceptional durability, making it ideal for machine tools, reducers, and heavy-duty equipment Supports OEM/ODM customization to match your specific machinery requirements, backed by Saifan's strict quality control and ISO 9001:2015 certification
Miniature Stainless Steel Ball Bearing S695ZZ 5x13x4mm with Removable Shields for Precision Equipment
Ensure smooth, precise rotation in your precision equipment with the Stainless Steel Ball Bearing S695ZZ, engineered to deliver reliable performance in tight spaces. At 5x13x4mm, this miniature bearing features removable shields for easy maintenance, letting you access and clean internal components without compromising structural integrity—ideal for applications where downtime is costly.Single-row radial design handles radial loads efficiently, ensuring stable operation in medical devices, robotics, and small-scale machineryStainless steel construction resists corrosion, extending service life in humid or harsh environmentsUnseparated structure maintains alignment under consistent use, reducing the risk of premature wear
Tapered Roller Bearings 32907 35x55x14mm for Truck with P0-P4 Precision and Z1V1-Z3V3 Vibration Grade
Keep your truck rolling smoothly with reliable Tapered Roller Bearings 32907 designed for heavy-duty performance. This 35x55x14mm precision component ensures stable rotation under high loads, reducing downtime and extending your vehicle's service life.P0-P4 precision rating and Z1V1-Z3V3 vibration grade minimize noise and wear, ideal for truck transmissions and axlesCompatible with both grease and oil lubrication to adapt to your maintenance routineBacked by ISO-certified manufacturing for consistent quality you can trust
Self-Aligning Spherical Roller Bearing 22228W33C3 for Industrial Machinery, 100x215x47mm
Ensure smooth, reliable rotation in your industrial machinery with this high-performance Self-Aligning Spherical Roller Bearing 22228W33C3. Engineered to handle heavy radial loads and misalignment, it minimizes downtime and extends equipment lifespan—perfect for demanding applications like machine tools and conveyors.Precision-crafted 100x215x47mm dimensions with C3 clearance for optimal thermal expansion accommodationDouble-row roller design delivers exceptional load capacity and stability, even in high-vibration environmentsConstructed from premium bearing steel for long service life, backed by our strict ISO 9001 quality controlSupports OEM/ODM customization to match your exact specifications, with flexible MOQ and fast 5-15 day bulk delivery
High Precision LM Series Ball Screw for CNC Machine with OEM ODM Service
Boost your CNC machine's precision and reduce downtime with our High Precision LM Series Ball Screw, engineered to deliver smooth, consistent motion for critical machining operations. Whether you're upgrading existing equipment or building custom machinery, this alloy ball screw ensures reliable performance that keeps your production on track—no more frustrating inaccuracies or unexpected delays.LM Series design minimizes backlash and maximizes rigidity, ideal for high-speed CNC applications where precision can't be compromisedSupports OEM/ODM customization to match your exact specifications, from thread pitch to mounting configurationsDurable alloy construction resists wear under heavy loads, extending service life and reducing replacement costsTrusted by industrial manufacturers worldwide, this ball screw arrives ready to install and backed by our commitment to quality—because your machinery deserves components that work as hard as you do.
Durable Deep Groove Ball Bearing 61920 100x140x20mm for Industrial Machinery
Keep your industrial machinery running smoothly with the Durable Deep Groove Ball Bearing 61920, designed to deliver reliable performance and extended service life in high-demand applications. This 100x140x20mm radial bearing handles radial loads with precision, ensuring minimal downtime and consistent operation—perfect for manufacturers prioritizing stability in their production lines.Crafted from high-grade bearing steel for exceptional durability, meeting P0-P4 precision standards to reduce vibration and noise in critical machinerySingle-row design with a 0° contact angle optimizes load distribution, ideal for machine tools, textile equipment, and other industrial systems requiring smooth rotationBacked by our strict quality control processes and 12-month warranty, ensuring you get a bearing that performs as reliably as your business demands
UCFL204 Pillow Block Bearing for Agricultural Machinery – Corrosion Resistant, P0-P4 Precision
Ensure your agricultural machinery runs smoothly season after season with the UCFL204 Pillow Block Bearing, engineered to deliver reliable performance in tough farming environments. Its corrosion-resistant design combats moisture and debris, while P0-P4 precision ensures consistent rotation even in heavy-load applications like harvesters and tractors.Deep groove raceway minimizes friction for extended bearing life, reducing downtime during critical harvest periodsCompatible with both grease and oil lubrication, offering flexibility for different maintenance routinesBacked by Saifan's 12-month global warranty and responsive technical support, so you can focus on your operations with confidence
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