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
Self-Aligning Roller Bearing 23238MBK 23240MBK 23244MBK 23248MBK W33 P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with our high-performance Self-Aligning Roller Bearing series (23238MBK, 23240MBK, 23244MBK, 23248MBK W33). Engineered to deliver P0-P4 precision and exceptional load-bearing capacity, these double-row bearings minimize downtime by accommodating misalignment and reducing vibration in heavy-duty applications. Crafted from premium bearing steel with C0/C3/C4 clearance options, ensuring long service life even in harsh operating conditions Supports OEM/ODM customization to match your exact machinery specifications, eliminating the hassle of searching for standard-fit alternatives Backed by Saifan's strict ISO 9001 quality control and 12-month warranty, giving you confidence in every turn
Electrical Insulation Deep Groove Ball Bearing 6311m/C3vl0241 for Auto Parts 120x170x28mm
Ensure reliable, long-lasting performance in auto parts with our Electrical Insulation Deep Groove Ball Bearing 6311m/C3vl0241. This 120x170x28mm radial bearing safeguards against electrical arcing, keeping your machinery running smoothly even in high-voltage environments. Crafted from premium bearing steel with a single row design and 0° contact angle, it delivers precise rotation and exceptional durability for automotive applications.Engineered to meet strict industry standards, ensuring seamless integration into transmission and auxiliary systemsC3 clearance rating provides optimal heat dissipation, reducing wear and extending service lifeVL0241 insulation technology protects sensitive components from electrical damage, minimizing downtime
Self Aligning Ball Bearing 2200 2206K-2RS with Automatic Heart Adjustment for Industrial Machinery
Keep industrial machinery running smoothly even with shaft misalignment using our Self Aligning Ball Bearing 2200 2206K-2RS. Its automatic heart adjustment design eliminates costly downtime from minor installation errors, ensuring consistent performance in tough manufacturing environments.Double row ball construction handles radial loads with precision (P0-P4 grades available) while reducing vibration for longer equipment life2RS sealing keeps contaminants out, extending maintenance intervals and lowering operational costsAvailable with steel or brass cages to match specific application demands, from high-speed conveyors to heavy-duty presses
Cylindrical Roller Bearing Nu2322 for Industrial Machinery High Precision P0-P4 Grade
Ensure smooth, precise rotation in your industrial machinery with the Cylindrical Roller Bearing Nu2322, engineered to deliver reliable performance even under heavy radial loads. This high-precision bearing (P0-P4 grade) minimizes downtime and maintains consistent operation, making it ideal for industrial applications where stability is non-negotiable.110x240x80mm dimensions with separated inner/outer rings for easy installation and maintenanceConstructed from premium bearing steel for extended service life and resistance to wearNon-aligning radial design ensures optimal load distribution, reducing stress on machinery componentsSupports OEM/ODM customization to meet specific industrial requirements, backed by our strict quality control processes
Tapered Roller Bearing HR30215J HR32217J HR32317J for Industrial Machinery High Precision P0-P4
Ensure smooth, precise rotation in industrial machinery with high precision tapered roller bearings designed to minimize downtime and maximize performance. Our HR30215J, HR32217J, and HR32317J models deliver P0-P4 precision and Z1V1-Z3V3 vibration control, making them ideal for heavy-load applications like machine tools and reducers.Engineered with premium chrome steel for extended service life, even under rigorous operating conditions75*130*27.25mm specification ensures seamless integration with standard industrial equipmentFlexible order options with rich stock availability for quick 3-5 day sample delivery and reliable bulk supplyBacked by ISO 9001:2015 quality certification and our 12-month warranty, these tapered roller bearings for industrial use provide the stability and durability your machinery demands.
Needle Roller Bearing K20X24X17 K22X26X13 for Industrial Machinery P0-P4 Precision
Ensure smooth, precise rotation in your industrial machinery with our Needle Roller Bearing—engineered to deliver reliable performance even under heavy radial loads. Available in K20X24X17 (20*24*17 mm) and K22X26X13 sizes, these closed-type bearings combine high-grade bearing steel construction with P0-P4 precision ratings, minimizing vibration and extending equipment service life.Radial design without inner/outer rings optimizes space efficiency for compact machinery setupsGrease or oil lubrication flexibility adapts to diverse operating conditionsBacked by our ISO 9001-certified manufacturing, ensuring consistent quality from raw material inspection to finished product testing3-7 day delivery keeps your production on schedule, with OEM/ODM support for custom specifications
Self-Aligning Roller Bearings 23120CAK 23122CAK 23124CAK W33 for Industrial Machinery P0-P4 Precision
Ensure smooth, reliable rotation for your industrial machinery with our Self-Aligning Roller Bearings—engineered to minimize downtime and maximize performance. These 23120CAK, 23122CAK W33, and 23124CAK models deliver P0-P4 precision, handling radial loads with double-row roller design and self-aligning capabilities to compensate for shaft misalignment.Constructed from high-grade bearing steel for long service life, even in heavy-duty industrial applicationsAvailable with clearance options (C0/C3/C4) to suit specific operational needs, ensuring optimal load distributionBacked by our ISO 9001:2015 quality certification and 12-month warranty, providing peace of mind for your equipment reliability
Cylindrical Roller Bearings NU2222 NJ234 NJ1024 with Steel/Brass Cage for Industrial Machinery
Boost your industrial machinery’s performance with Cylindrical Roller Bearings designed for reliable, high-precision rotation. Our NU2222, NJ234, and NJ1024 models feature durable steel or brass cages to handle radial loads and ensure long service life, even in demanding work environments.Precision grades from P0 to P4 and vibration levels Z1V1 to Z3V3 minimize operational noise and maximize stability, keeping your equipment running smoothlySeparated structure allows easy installation and maintenance, reducing downtime for your production lineConstructed with high-grade bearing steel, these bearings deliver consistent performance across industrial machinery applications, backed by our ISO 9001:2015 quality certification
Self-Aligning Roller Bearing 21320CA 21321CA 21322CA 21324CA W33 for Industrial Machinery
Minimize downtime and maximize machinery performance with our Self-Aligning Roller Bearing series (21320CA, 21321CA, 21322CA, 21324CA W33), engineered to keep industrial equipment running smoothly even under misalignment or heavy radial loads. Crafted from high-grade bearing steel with P0-P4 precision ratings and C0/C3/C4 clearance options, these double-row bearings deliver exceptional durability and consistent rotation for machine tools, conveyors, and heavy-duty industrial machinery.Self-aligning design compensates for shaft deflection, reducing wear and extending service life in demanding operating conditions100*215*47mm specification (21320CA) with W33 lubrication groove ensures easy maintenance and optimal performanceBacked by our ISO 9001-certified quality control and 12-month warranty, providing reliable support for your production line
Needle Roller Bearing NK40/20 40x50x20mm P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with the Needle Roller Bearing NK40/20, engineered to deliver reliable performance even under heavy radial loads. This 40x50x20mm precision component (P0-P4 grades available) minimizes vibration and extends equipment lifespan, addressing the common challenge of maintaining consistent operation in demanding work environments.Radial design without inner/outer rings allows for space-saving integration in tight mechanical assembliesHigh-grade bearing steel construction ensures durability, while grease/oil lubrication flexibility adapts to your maintenance routineBacked by our ISO-certified manufacturing process and 12-month warranty, with samples available for fit testing before bulk orders
Stainless Steel Deep Groove Ball Bearing S6310 30x72x19mm Low Noise for Auto Parts
Ensure smooth, quiet operation in your auto parts with this reliable Stainless Steel Deep Groove Ball Bearing S6310. Engineered to deliver consistent performance, it minimizes vibration and extends equipment lifespan—perfect for reducing maintenance hassles in automotive applications.Precision dimensions 30x72x19mm for seamless fit in transmission and auxiliary systemsStainless steel construction resists corrosion, ideal for harsh under-hood environmentsUnseparated single-row design ensures stable radial load handling, critical for high-speed rotationsBacked by ISO 9001 quality standards, with responsive technical support to keep your operations running
Needle Roller Bearing NA4914 70x100x30mm Radial Bearing P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with the Needle Roller Bearing NA4914, engineered to deliver P0-P4 precision and reliable performance in demanding applications. This 70x100x30mm radial bearing minimizes friction and maximizes load capacity, keeping your equipment running efficiently with reduced downtime.Constructed from high-grade bearing steel with C0/C3/C4 clearance options, ideal for heavy-duty industrial machinery where dimensional accuracy is criticalSupports both grease and oil lubrication, adapting to your maintenance preferences for long-lasting operationBacked by Saifan's strict quality control and 12-month warranty, ensuring 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
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
⏱️
5-15 Day Lead
Bulk production timeline
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T/T · L/C · Alibaba
Flexible payment terms