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
Small Size Open Deep Groove Ball Bearing R188 6.35×12.7×3.18mm for Precision Machinery
Ensure smooth, precise rotation in your precision machinery with the R188 bearing, a compact deep groove ball bearing engineered to deliver consistent performance in tight spaces. Measuring 6.35x12.7x3.18mm, this small open bearing minimizes friction and noise, making it ideal for high-precision applications where reliability can’t be compromised.Available in precision grades from P0 to P2 and clearances C0/C3/C4, tailored to your machinery’s exact tolerance needsSupports OEM/ODM customization to match unique specifications, ensuring seamless integration into your production lineBacked by Saifan’s strict quality control and 12-month warranty, so you can trust every rotation to keep your operations running without interruption
Roller Bearing NUTR15 NUTR17 NUTR20 NUTR25 NUTR30 P0-P4 Precision for Industrial Machinery
Ensure smooth, precise operation of your industrial machinery with our NUTR Series Roller Bearings, engineered to deliver consistent performance across NUTR15, NUTR17, NUTR20, NUTR25, and NUTR30 models. This P0-P4 precision roller bearing minimizes downtime with its high-grade bearing steel construction and Z1V1-Z3V3 vibration control, ideal for heavy-load applications in machine tools and industrial equipment. Available in 15*35*19mm specifications with Zz, 2RS, or Open seals to match your machinery’s exact needs Grease or oil lubrication flexibility ensures adaptability to diverse operating conditions Backed by ISO 9001-certified manufacturing for reliable quality and extended service life
NNU4956 B/Spw33 Double Row Cylindrical Roller Bearing for Industrial Machinery
Ensure smooth, high-precision operation for your industrial machinery with the NNU4956 B/Spw33 double row cylindrical roller bearing, engineered to deliver reliable performance even under heavy loads. This bearing minimizes vibration and extends equipment lifespan, addressing the need for stable, long-lasting components in demanding industrial environments.Double row design with SPW33 clearance grade optimizes radial load capacity and alignment, critical for high-torque machinery like reducers and printing pressesOpen seal configuration allows for custom lubrication solutions, ideal for specialized industrial applications requiring precise maintenance controlBacked by Saifan Bearings' ISO 9001-certified quality and 12-month warranty, this bearing ensures consistent rotation you can trust—no more unexpected downtime or costly replacements.
Cylindrical Roller Bearings NNU4934BK/SPW33 Single Row Open Type for Industrial Machinery
Ensure smooth, precise rotation for your industrial machinery with the Cylindrical Roller Bearings NNU4934BK/SPW33 — designed to minimize downtime and maximize operational efficiency in heavy-duty applications. This single row open type bearing delivers exceptional radial load capacity, making it ideal for machine tools, reducers, and textile equipment where reliability under stress is non-negotiable.Engineered with SKF-grade precision (P0-P4 available) to maintain stable performance even in high-speed or variable load conditions170mm inner diameter and open structure allow for easy lubrication maintenance, addressing common wear-related challenges in industrial settingsBacked by Saifan’s 12-month warranty and ISO 9001-certified quality, ensuring consistent performance and peace of mind for your production line
Double-Row Cylindrical Roller Bearing NNU4926BK/SPW33 for Industrial Machinery, 130mm Inner Diameter
Ensure smooth, high-precision rotation for your industrial machinery with the Double-Row Cylindrical Roller Bearing NNU4926BK/SPW33, engineered to deliver reliable performance even under heavy loads. This 130mm inner diameter bearing features an open structure design, ideal for applications requiring efficient heat dissipation and easy maintenance—key for minimizing downtime in manufacturing environments.Double-row configuration enhances radial load capacity, ensuring stable operation in machine tools, reducers, and printing equipmentPrecision-machined to meet strict industrial standards, with a lightweight 0.250kg gross weight per unit for balanced mechanical integrationBacked by Saifan Bearings' 12-month warranty and expert technical support, so you can focus on production without worrying about component reliability
Double Row Open Cylindrical Roller Bearing NNU4926B/SPW33 SKF 130mm Inner Diameter
Ensure smooth, high-precision rotation in your industrial machinery with the Double Row Open Cylindrical Roller Bearing NNU4926B/SPW33, designed to handle heavy radial loads while maintaining optimal performance. This SKF bearing features a 130mm inner diameter and double-row cylindrical structure, making it ideal for applications requiring robust support and minimal maintenance.Open design allows for easy lubrication access, extending service life in demanding operating conditionsPrecision-engineered to meet ISO standards, ensuring reliable compatibility with OEM equipmentLightweight 0.250kg construction reduces overall machinery weight without sacrificing durability
NNU4921 BK/SPW33 Cylindrical Roller Bearing Double Row High Precision for SKF
Ensure smooth, high-precision rotation in your machinery with the NNU4921 BK/SPW33 bearing, a double row cylindrical roller bearing engineered to deliver reliable performance for SKF-compatible applications. Its open design and 105mm inner diameter make it ideal for industrial machinery requiring robust load handling and precise alignment, reducing downtime and enhancing operational efficiency.Double row structure ensures superior radial load capacity, perfect for heavy-duty equipmentHigh-precision manufacturing meets strict industry standards, guaranteeing consistent performanceLightweight 0.100kg single gross weight simplifies installation without compromising durability
High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33 for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with our High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33, engineered to minimize downtime and enhance operational stability. This robust cylindrical roller 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. Double row cylindrical design with SPW33 precision grade ensures tight radial clearance control and reduced vibration, critical for high-speed industrial operations Open seal configuration allows for easy lubrication maintenance, extending service life and reducing long-term maintenance costs 100mm inner diameter and optimized roller spacing provide reliable power transmission, even in demanding working conditions
High Precision SKF NN3072 K/SPW33 Double Row Cylindrical Roller Bearing for Industrial Machinery
Ensure seamless, high-precision rotation for your industrial machinery with the SKF NN3072 K/SPW33 double row cylindrical roller bearing. Engineered to deliver exceptional stability under heavy loads, this 360mm inner diameter bearing minimizes vibration and extends equipment lifespan, addressing the critical need for reliable performance in demanding industrial environments.Sp precision rating ensures tight tolerance control for consistent operation in high-speed applicationsDouble row cylindrical design provides superior radial load capacity compared to single row alternativesOpen seal configuration allows for easy lubrication maintenance, reducing downtime for your production lineBacked by Saifan Bearings' decades of manufacturing expertise and strict ISO 9001 quality standards, this bearing is the trusted choice for industrial machinery manufacturers seeking long-term operational efficiency.
High Precision Double Row SKF Cylindrical Roller Bearing NN3026KTN9/SP for Industrial Machinery
Ensure smooth, high-precision rotation in your industrial machinery with the High Precision Cylindrical Roller Bearing SKF NN3026KTN9/SP. This double row cylindrical roller bearing delivers exceptional stability and long service life, minimizing downtime and maintenance costs for critical equipment like machine tools and reducers.Double row design with open structure (NN3026KTN9/SP) ensures optimal load distribution and radial rigidity, ideal for heavy-duty industrial applicationsPrecision-engineered to meet strict performance standards, supporting consistent operation even in demanding working conditions130mm inner diameter and robust construction from premium materials guarantee reliable performance, backed by Saifan Bearings' commitment to quality and 12-month warranty
Cylindrical Roller Bearings NN3026 TN9/SPW33 for Automotive Precision Sp Grade Double Row Open Type
Ensure smooth, high-precision rotation in automotive applications with our Cylindrical Roller Bearings NN3026 TN9/SPW33. Engineered for SP grade precision, this double row open type bearing delivers reliable performance under demanding conditions, reducing downtime and enhancing machinery efficiency.Double row design with 130mm inner diameter optimizes load distribution for automotive transmission systemsSP grade accuracy ensures minimal vibration, critical for maintaining gear synchronization and extending component lifeOpen type structure allows for easy lubrication maintenance, adapting to high-temperature automotive environments
Cylindrical Roller Bearing NN3024 KTN9/SPVR522 Double Row Open 120mm ID for Industrial Machinery
Ensure smooth, high-precision rotation for your industrial machinery with this Cylindrical Roller Bearing—engineered to deliver reliable performance even under heavy loads. The NN3024 KTN9/SPVR522 double row open design minimizes vibration and extends equipment lifespan, making it ideal for machine tools, reducers, and printing machinery where precision matters most.120mm inner diameter (ID) with double row structure for enhanced radial load capacityOpen seal type allows for easy lubrication maintenance, reducing downtime for busy operationsCrafted to meet strict industrial standards, ensuring consistent performance in demanding work environments
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
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OEM Branding
Custom packaging & labels
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5-15 Day Lead
Bulk production timeline
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