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
Cylindrical Roller Bearing NU318EM NU319EM NU320EM for Industrial Machinery P0-P4 Precision
Ensure smooth, high-precision rotation for your industrial machinery with our Cylindrical Roller Bearing NU318EM, NU319EM, NU320EM series. Engineered to deliver P0-P4 precision and reliable radial load handling, these bearings minimize downtime and extend equipment service life—perfect for manufacturers seeking consistent performance in heavy-duty applications.Single-row, separated structure allows easy installation and maintenance, a critical advantage for industrial setups requiring quick part replacementConstructed with premium bearing steel and compatible with oil, grease, or dry lubrication, adapting seamlessly to diverse operating conditionsBacked by our strict quality control and 12-month warranty, ensuring you receive bearings that meet ISO standards and keep your production line running without interruption
Insert Ball Bearing with Plastic Pillow Blocks UC217-UC317 High Load Deep Groove for Industrial Machinery
Ensure smooth, reliable rotation in your industrial machinery with our Insert Ball Bearing with Plastic Pillow Blocks UC217-UC317—engineered to handle high loads while minimizing maintenance headaches. The deep groove raceway design distributes stress evenly, reducing wear and extending service life, so you can focus on productivity instead of frequent replacements.High-grade bearing steel construction ensures P0-P4 precision and Z1V1-Z3V3 vibration control, meeting strict industrial standards for stabilityPlastic pillow block housing resists corrosion and reduces weight, ideal for diverse working environments without compromising durabilityAvailable in UC217-UC317 sizes with 65*120*65.1mm specifications, compatible with machine tools, conveyors, and other heavy-duty equipmentBacked by our ISO 9001-certified quality control and flexible order support, including OEM/ODM customization to match your exact application needs
HGL25HA HGL25CA Linear Carriage Block for CNC Router 25mm Guide Rail High Speed Low Noise
Boost your CNC router's precision and productivity with the HGL25HA HGL25CA Linear Carriage Block, engineered to deliver smooth, high-speed motion on 25mm guide rails while minimizing operational noise. This linear carriage block ensures consistent performance even during extended machining sessions, addressing the common challenge of maintaining accuracy in high-demand milling tasks.Alloy construction and precision manufacturing (P0-P4 grade compatible) guarantee long service life, reducing downtime for replacementsLow noise operation (Z2/Z3 noise grade) creates a quieter workspace, ideal for shops prioritizing a comfortable environmentSeamless integration with standard 25mm guide rails, supporting quick installation and reliable movement for intricate routing projects
Needle Roller Bearing K15X21X15 BDL Stainless Steel Radial Bearing for Industrial Machinery
Ensure smooth, reliable rotation in your industrial machinery with the Needle Roller Bearing K15X21X15 BDL—a stainless steel radial solution built to minimize downtime and maximize performance. Crafted for precision (available in P0-P4 grades) and durability, this 15x21x15mm bearing handles radial loads with ease, even in demanding conditions where standard bearings falter.Stainless steel construction resists corrosion, ideal for industrial environments with moisture or debrisGrease or oil lubrication flexibility allows customization to your machinery’s specific needsWithout outer/inner rings design reduces weight while maintaining structural integrity, perfect for compact industrial setupsBacked by Saifan’s 12-month warranty and ISO-certified quality, ensuring consistent performance you can trust
Needle Roller Bearing NUTR15 15x35x19mm P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with the Needle Roller Bearing NUTR15—engineered to deliver reliable performance under heavy loads. This 15x35x19mm radial bearing, crafted from high-grade bearing steel, minimizes vibration and extends equipment lifespan, addressing the challenge of maintaining consistent operation in demanding industrial environments.Precision grades from P0 to P4 available, ensuring tight tolerance control for high-speed applicationsGrease or oil lubrication flexibility adapts to your machinery’s specific maintenance needsSupports OEM/ODM customization to match unique equipment specifications, backed by Saifan’s ISO 9001-certified quality control
Self-Aligning Roller Bearing 23226EAE4 23228EAE4 23230EAE4 for Industrial Machinery P0-P4 Precision
Ensure smooth, precise rotation for your industrial machinery with our Self-Aligning Roller Bearing series (23226EAE4, 23228EAE4, 23230EAE4), engineered to deliver P0-P4 precision and reliable performance under heavy loads. Crafted from high-grade bearing steel with double-row rollers and C0/C3/C4 clearance options, these bearings minimize downtime by accommodating misalignment and reducing vibration in demanding industrial environments.Precision ratings from P0 to P4 ensure compatibility with high-speed machinery, while the unseparated design simplifies installation and maintenanceBacked by ISO 9001:2015 quality standards and our 12-month warranty, you’ll get consistent performance without compromising on durabilityAvailable for OEM/ODM customization to match your specific machinery requirements, with flexible MOQ and fast 3-5 day sample delivery
Cylindrical Roller Bearing NN3076K High Precision P4 for Industrial Machinery 380x560x135mm
Ensure smooth, precise rotation for your industrial machinery with the Cylindrical Roller Bearing NN3076K, engineered to deliver consistent performance even under heavy loads. This high precision P4 grade bearing (380x560x135mm) minimizes vibration and extends equipment lifespan, addressing the critical need for reliable motion in demanding manufacturing environments.Separated inner/outer ring design allows easy mounting and maintenance, a key advantage for industrial machinery operatorsConstructed with premium bearing steel to meet ISO standards, ensuring compatibility with high-precision machine tools and heavy-duty equipmentSupports OEM/ODM customization to fit specific machinery requirements, backed by Saifan’s decade-long manufacturing expertise
Linear Bearing Lme4uu Lme5uu Lme8uu Lme10uu Lme12uu Lme16uu for Precision Machinery OEM ODM Service
Ensure smooth, precise linear motion in your precision machinery with our Linear Bearing Lme4uu-Lme16uu series—engineered to minimize vibration and extend equipment lifespan. Crafted from high-grade alloy, these LM-series bearings deliver consistent performance across industrial automation, CNC tools, and precision linear guides, addressing the critical need for reliable motion control in demanding applications.Precision-ground raceways and optimized ball circulation ensure low friction and quiet operation, ideal for high-precision machinerySupports both OEM and ODM services to match custom dimensions, housing designs, or application-specific load requirementsBacked by our ISO 9001-certified production process and 12-month warranty, ensuring long-term stability for your manufacturing line
Needle Roller Bearing NA4906 NA4907 NA4908 for Industrial Machinery 30x47x17mm P0-P4 Precision
Ensure smooth, precise rotation for your industrial machinery with our Needle Roller Bearing NA4906 NA4907 NA4908, engineered to deliver reliable performance in demanding applications. Crafted from high-grade bearing steel and available in P0-P4 precision grades, these 30x47x17mm bearings minimize friction and maximize load capacity, reducing downtime and extending equipment lifespan.Designed without inner/outer rings for space-saving integration in compact machinery setupsSupports both grease and oil lubrication to adapt to your specific operational needsBacked by our ISO 9001-certified quality control and 12-month warranty for long-term peace of mindQuick 3-7 day delivery ensures you keep production on track, even with tight schedules
High Precision NSK N417em NJ417em Cylindrical Roller Bearing 85x210x52mm for Industrial Machinery
Ensure smooth, high-precision rotation for your industrial machinery with the High Precision Cylindrical Roller Bearing NSK N417em/NJ417em. Engineered to deliver reliable performance under heavy radial loads, this 85x210x52mm bearing minimizes downtime and enhances operational efficiency, even in demanding manufacturing environments.Separated design allows easy installation and maintenance, saving valuable time during equipment servicingPrecision rating options from P0 to P2 ensure optimal fit for applications requiring tight tolerance controlConstructed with high-grade bearing steel for extended service life, reducing the need for frequent replacementsOpen seal type accommodates versatile lubrication methods (oil, grease, dry) to match specific machinery requirements
Cylindrical Roller Bearing NJ321 NJ326 NJ328 NJ338 NJ340EM for Industrial Machinery P0-P4 Precision
Ensure smooth, precise rotation for your industrial machinery with our Cylindrical Roller Bearing series (NJ321, NJ326, NJ328, NJ338, NJ340EM), engineered to deliver consistent performance even under heavy radial loads. Crafted from high-grade bearing steel with P0-P4 precision ratings, these separated-type bearings minimize downtime by simplifying maintenance and replacement—keeping your operations running without costly interruptions.Single-row design with open seals ensures optimal lubrication flexibility (oil, grease, or dry) for diverse industrial environmentsLarge outer dimensions (200-430mm) and strict ISO-compliant quality control guarantee reliable适配 for machine tools, reducers, and heavy-duty equipmentBacked by our 12-month warranty and responsive technical support, so you can focus on productivity with confidence
Deep Groove Ball Bearing S6305 25x62x17mm Low Noise for Auto Parts
Ensure smooth, quiet operation in your auto parts with the Deep Groove Ball Bearing S6305, engineered to deliver reliable performance in critical automotive applications. This 25x62x17mm low-noise bearing minimizes vibration and extends component lifespan, addressing the need for consistent quality in high-demand environments.Precision-crafted to Z2 noise grade standards, ensuring minimal operational sound for enhanced driving comfortConstructed with high-grade chrome steel for superior wear resistance, ideal for automotive transmission systemsISO 9001:2015 certified quality guarantees compatibility with OEM specifications, supporting seamless integration into your production line
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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