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
Double Row Cylindrical Roller Bearing SKF NN3022 KTN9/SPVR521 for Industrial Machinery
Ensure smooth, high-precision rotation for your industrial machinery with the Double Row Cylindrical Roller Bearing SKF NN3022 KTN9/SPVR521. Engineered to deliver reliable performance under demanding conditions, this bearing minimizes downtime and enhances operational efficiency, addressing the critical need for stable and long-lasting mechanical components in manufacturing environments.Double row cylindrical structure with open design for optimal load distribution and heat dissipation, ideal for heavy-duty industrial applicationsInner diameter of 110mm and precision engineering ensure seamless integration with machinery, reducing vibration and extending equipment lifespanAuthentic SKF quality backed by our strict quality control processes, guaranteeing compliance with international standards for consistent performance
Ultra Precision Double Row Cylindrical Roller Bearing SKF NN3020KTN9/UPVR521 for Industrial Machinery
Ensure smooth, high-precision rotation for your industrial machinery with this Ultra Precision Double Row Cylindrical Roller Bearing. Engineered to deliver exceptional stability under heavy loads, this SKF NN3020KTN9/UPVR521 model minimizes vibration and extends equipment lifespan—critical for maintaining productivity in demanding manufacturing environments.Double row cylindrical structure with open design for optimal lubrication flow and heat dissipation100mm inner diameter fits standard industrial shafts, ensuring seamless integration into existing setupsPrecision-grade construction meets rigorous performance standards, reducing downtime from premature wearBacked by Saifan Bearings' ISO-certified quality control, this bearing offers reliable performance you can trust for machine tools, textile equipment, and other industrial applications. Order today for fast delivery and expert technical support.
Super Precision Double Row Cylindrical Roller Bearing NN3018 TN3/SPW33 for Industrial Machinery
Ensure smooth, precise operation of your industrial machinery with the Super Precision Double Row Cylindrical Roller Bearing NN3018 TN3/SPW33, designed to minimize downtime and enhance equipment reliability. As a high-precision solution for industrial applications, this bearing delivers exceptional load capacity and rotational accuracy, addressing the need for consistent performance in demanding mechanical systems.Open structure design with double-row cylindrical rollers ensures optimal radial load distribution and heat dissipationSPW33 precision grade meets strict industrial standards, ideal for machine tools, textile machinery, and printing equipment requiring P0-P4 precision levelsLightweight 0.250kg single unit weight balances durability with efficient installation, supported by Saifan Bearings' 12-month warranty and technical support
NN Double Row Cylindrical Roller Bearing NN3018 KTN9/HC5SPW33 for Industrial Machinery High Precision
Ensure smooth, high-precision rotation in industrial machinery with the NN3018 KTN9/HC5SPW33 double row cylindrical roller bearing, engineered to minimize downtime and enhance operational stability. This open-type bearing delivers reliable performance in heavy-load applications, thanks to its double row structure that distributes stress evenly across contact points.Precision-crafted for industrial machinery, ensuring consistent motion control and extended service lifeOptimized design reduces vibration and noise, addressing common challenges in high-speed equipment operationCompact 06 inner diameter fits seamlessly into standard machinery configurations, simplifying replacement and maintenance
Cylindrical Roller Bearing NN3017 TN9/SPW33 85mm ID Double Row for Machinery Repair
Get reliable, long-lasting performance for your machinery repair with the Cylindrical Roller Bearing NN3017 TN9/SPW33, designed to minimize downtime and ensure smooth operation. This double row bearing with an 85mm inner diameter is engineered to handle heavy radial loads, making it ideal for industrial machinery repair shops and manufacturing plants.Double row design provides exceptional stability and load capacity, crucial for high-precision machineryPrecision-grade construction ensures consistent rotation, reducing wear on adjacent componentsCompact 10x10x10cm packaging simplifies storage and handling, streamlining your repair process
NN3016 KTN/UPW33 Double Row Cylindrical Roller Bearing for Precision Machinery Applications
Ensure smooth, precise rotation in your precision machinery with the NN3016 KTN/UPW33 double row cylindrical roller bearing—engineered to minimize downtime and enhance operational stability. This high-performance bearing delivers exceptional load capacity and rigidity, making it ideal for machine tools, textile machinery, and other high-precision applications where reliability under heavy loads is non-negotiable.Double row cylindrical design with open structure for optimal heat dissipation and easy maintenance80mm inner diameter fits standard precision equipment specifications, ensuring seamless integrationManufactured with premium raw materials to meet strict ISO standards, guaranteeing consistent performance and extended service life
Double Row Cylindrical Roller Bearing NN3015KTN/SP 75mm ID Open Type for Industrial Machinery
Ensure smooth, high-precision rotation in your industrial machinery with the Double Row Cylindrical Roller Bearing NN3015KTN/SP, a 75mm ID open-type solution built to minimize downtime and enhance equipment reliability. Engineered for heavy radial loads and precise axial alignment, this bearing delivers consistent performance in demanding applications like machine tools and conveyors, addressing the need for durable components that reduce maintenance interruptions.Double row cylindrical design with KTN/SP precision grade ensures tight tolerance control for stable operation under varying loadsOpen type construction allows for easy lubrication maintenance, a key detail for industrial users prioritizing long-term component careLightweight 0.250kg single unit weight balances durability with efficient installation, supporting optimized machinery performance
NN3014 KTN/SPW33 Super Slim Cross Roller Bearing for Robot Precision Applications
Achieve unmatched precision in robotic applications with the NN3014 KTN/SPW33 super slim cross roller bearing—engineered to deliver stable, low-vibration rotation for critical automation systems. This double-row cylindrical roller design minimizes axial space constraints while maintaining P4-grade accuracy, ensuring your robotic arms and precision machinery operate with consistent reliability even under continuous load.70mm inner diameter and open seal structure optimize installation flexibility for compact robot joints, reducing assembly complexity and improving maintenance access0.100kg lightweight construction enhances dynamic performance, lowering energy consumption without compromising on durability—ideal for high-cycle robotic operationsBacked by Saifan’s ISO 9001-certified quality control, this cross roller bearing ensures long service life and seamless integration into industrial automation workflows
Double Row Cylindrical Roller Bearing NN3014 KTN/HC5SP Open Type for Industrial Machinery
Ensure smooth, precision rotation in your industrial machinery with the Double Row Cylindrical Roller Bearing NN3014 KTN/HC5SP, engineered to minimize downtime and enhance operational stability. This open-type roller bearing delivers exceptional load capacity and rigidity, making it ideal for heavy-duty applications where consistent performance under stress is non-negotiable.70mm inner diameter and double-row design optimize radial load distribution, reducing wear on machinery componentsHC5SP precision grade ensures tight tolerance control, critical for high-speed industrial equipment reliabilityLightweight 0.250kg construction balances durability with efficient energy transfer, addressing common efficiency concerns in mechanical systems
Double Row Cylindrical Roller Bearing NN3013 KTN/SP for Industrial Machinery 65mm ID
Ensure smooth, precise rotation in your industrial machinery with the Double Row Cylindrical Roller Bearing NN3013 KTN/SP, designed to minimize downtime and enhance operational reliability. This 65mm ID open-type bearing delivers exceptional load capacity and rigidity, making it ideal for heavy-duty applications like machine tools and reducers where consistent performance under stress is non-negotiable.Engineered with high-grade chrome steel for extended service life, addressing the need for durable components in demanding industrial environmentsKTN/SP precision grade ensures tight radial runout control, critical for maintaining alignment in high-speed rotating equipmentDouble row cylindrical design distributes loads evenly, reducing wear on machinery parts and lowering maintenance costs over time
NN3012 KTN/SPW33 Double Row Cylindrical Roller Bearing for Industrial Machinery 60mm ID
Ensure smooth, high-precision rotation for your industrial machinery with the NN3012 KTN/SPW33 double row cylindrical roller bearing, engineered to deliver reliable performance even under heavy loads. This 60mm ID bearing minimizes vibration and extends equipment lifespan, addressing common concerns about operational stability and maintenance costs in manufacturing environments.Double row cylindrical structure provides exceptional radial load capacity, ideal for machine tools and textile machineryOpen seal design allows for easy lubrication adjustments, a critical detail for industrial applications requiring precise maintenanceBacked by Saifan Bearings' strict quality control and 12-month warranty, ensuring consistent performance you can trust
NN3010 KTN/VQ497 Cylindrical Roller Turntable Bearing Double Row Open Structure 50mm ID
Ensure smooth, precise rotation for your machinery with the NN3010 KTN/VQ497 bearing, a double row cylindrical roller turntable bearing designed to deliver reliable performance in demanding industrial applications. Its open structure allows for easy lubrication maintenance, while the 50mm inner diameter and Sp/up precision rating ensure a perfect fit and minimal vibration, addressing common issues with equipment downtime and alignment errors.Double row cylindrical design handles radial loads efficiently, ideal for turntable mechanisms and heavy-duty machinery0.250 Kg lightweight construction reduces overall equipment strain without compromising durabilityComplies with strict quality standards, backed by Saifan's ISO 9001:2015 certification for consistent performance you can trust
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
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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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