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
Deep Groove Ball Bearing 6212 6312 6412 for Mining Smelting Plant with High Precision
Minimize downtime in your mining or smelting operations with our high precision Deep Groove Ball Bearing series (6212, 6312, 6412). Engineered to handle heavy radial loads and resist wear in harsh industrial environments, these bearings ensure smooth, reliable rotation even under extreme conditions—keeping your critical machinery running longer between maintenance checks.Unseparated single-row design with premium bearing steel construction delivers exceptional durability and consistent performance, meeting the rigorous demands of mining and smelting plant equipment.Precision-engineered to reduce vibration and noise, directly addressing the need for stable operation in high-intensity industrial settings.Available in standard specifications (10*26*8mm) with flexible order options, ensuring you get the right fit without unnecessary delays.
Needle Roller Bearing NK29/20 29x38x20mm P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with our Needle Roller Bearing NK29/20, engineered to deliver reliable performance even under heavy radial loads. Crafted from high-grade bearing steel with P0-P4 precision ratings, this 29x38x20mm closed-style bearing minimizes vibration and extends equipment lifespan, addressing the common challenge of maintaining consistent operation in demanding industrial environments.Features a maintenance-friendly design compatible with both grease and oil lubrication, ideal for machinery requiring frequent upkeepWithout outer and inner rings for space-saving installation in compact mechanical assembliesBacked by our ISO 9001-certified quality control and 12-month warranty, ensuring peace of mind for your production line
Deep Groove Ball Bearing 6301 Zz 2RS 25x47x12mm P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation for your industrial machinery with the Deep Groove Ball Bearing 6301, engineered to deliver reliable performance even under continuous operation. This 25x47x12mm bearing combines P0-P4 precision grades with Zz/2RS sealing options to minimize friction and extend service life, solving common issues with premature wear in high-demand equipment.Single-row radial design (contact angle 0°) optimizes load distribution for stable mechanical motionGrease or oil lubrication flexibility adapts to diverse operating environmentsNon-separated structure ensures easy installation and consistent alignment in machine tools, conveyors, and textile equipmentBacked by ISO-certified manufacturing for quality you can trust, with OEM/ODM support to match your specific application needs
UC320 Pillow Block Bearing High Load for Spray Dryer Deep Groove Raceway
Ensure reliable, high-load performance for your spray dryer with the UC320 Pillow Block Bearing, engineered to handle heavy industrial demands while maintaining smooth operation. Its deep groove raceway design minimizes friction, reducing wear and extending service life—so you spend less time on maintenance and more on production.Precision-machined from high-grade bearing steel with UK block compatibility, ensuring a secure fit for industrial equipment like spray dryersAvailable in P0-P4 precision grades and Z1V1-Z3V3 vibration levels to meet specific operational needsGrease or oil lubrication flexibility allows adaptation to your existing maintenance protocols
Flange Extended Through-Hole Linear Bearings Hgw20hc Hgw25hc Hgh30hc for Automobile Rolling Mill
Ensure smooth, precise motion in your automobile rolling mill with Flange Extended Through-Hole Linear Bearings Hgw20hc, Hgw25hc, and Hgh30hc. These high-performance linear bearings deliver consistent operation even under heavy loads, minimizing downtime and boosting production efficiency. Crafted from premium bearing steel with P0-P4 precision ratings, ensuring tight tolerance control for seamless integration into rolling mill systems Separated design allows for easy maintenance and replacement, reducing operational disruptions Supports both grease and oil lubrication to adapt to your specific working conditions, enhancing durability and extending service lifeBacked by ISO 9001:2015 certification and our 12-month warranty, these linear bearings provide the reliability you need to keep your machinery running at peak performance. Available for immediate shipment with flexible OEM/ODM options to meet your exact specifications.
Linear Guide Rail HGW25CC High Speed Low Noise for Industrial Machinery C/H/P Grade
Boost your industrial machinery's performance with the Linear Guide Rail HGW25CC—designed to deliver high-speed, low-noise operation that keeps your production line running smoothly and efficiently. Crafted from premium alloy and available in C/H/P grades, this linear guide ensures precise movement and reduced operational disruptions, addressing the need for reliable components in demanding manufacturing environments.High-speed capability minimizes cycle times while low noise levels create a more comfortable workspacePrecision-engineered structure supports heavy loads with consistent accuracy, ideal for machine tools and automated equipmentBacked by ISO 9001:2015 quality standards and Saifan's 12-month warranty, ensuring long-term durability and peace of mind
Needle Roller Bearing NKI80/25 80x110x25mm P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with the NKI80/25 Needle Roller Bearing, engineered to deliver reliable performance even under heavy radial loads. This 80x110x25mm radial bearing (P0-P4 precision) eliminates frustrating downtime caused by subpar components, keeping your equipment running at peak efficiency.Designed without inner/outer rings for compact installations, ideal for space-constrained machinery like gearboxes and reducersConstructed with high-grade bearing steel and available in C0/C3/C4 clearances to match your specific operating conditionsBacked by Saifan’s strict ISO 9001 quality control and 12-month warranty, ensuring consistent performance you can trust
China Auto Parts Tapered Roller Bearing HR30328J HR32230J HR32330J High Precision Long Life
Ensure smooth, long-lasting performance for your automotive applications with our high precision tapered roller bearing lineup, including HR30328J, HR32230J, and HR32330J models. Crafted to withstand heavy loads and maintain stability even at high speeds, these bearings reduce downtime and extend equipment lifespan—ideal for resolving common wear-related disruptions in auto parts systems.Precision ratings from P0 to P2 and vibration levels up to Z3V3 ensure quiet, reliable operation in demanding conditions140*300*67.75mm specification (HR30328J) engineered for exact fit in transmission and axle assembliesBacked by rich stock availability for quick fulfillment, with OEM/ODM support to match your specific design requirements
High Precision NTN N2316em Cylindrical Roller Bearing for Industrial Machinery 80x170x58mm
Ensure smooth, precise rotation for your industrial machinery with the High Precision NTN N2316em Cylindrical Roller Bearing, designed to minimize downtime and enhance operational efficiency in heavy-duty applications. This 80x170x58mm radial bearing delivers exceptional load capacity and wear resistance, thanks to premium bearing steel construction and P0-P4 precision ratings that meet strict industrial standards.Separated inner and outer rings allow for easy installation and maintenance, a critical advantage for machinery operators needing quick replacementsSupports both grease and oil lubrication to adapt to your specific working conditions, ensuring long service life even in demanding environmentsBacked by Saifan Bearings' expertise in global supply and 12-month warranty, providing reliable performance you can trust for your production line
32216 Tapered Roller Bearing 80x140x33mm Low Noise for Rolling Mill
Ensure smooth, low-noise operation in your rolling mill with our 32216 Tapered Roller Bearing, engineered to deliver reliable performance even under heavy loads. This 80x140x33mm bearing minimizes vibration (Z1V1-Z3V3 grades) and extends equipment uptime, addressing the critical need for consistent productivity in industrial settings.Precision-machined to P0-P4 standards for tight tolerance control, ensuring optimal power transmission and reduced wearFlexible lubrication options (grease or oil) adapt to your specific operating conditions, enhancing versatilityBacked by our ISO 9001-certified manufacturing process, guaranteeing stable quality and long service life
Insert Bearing UC312 UCP312 High Load Deep Groove Pillow Block for Industrial Machinery
Ensure smooth, high-load industrial machinery operation with the High Load Deep Groove Insert Bearing UC312 UCP312, engineered to deliver reliable rotation even under heavy-duty conditions. This pillow block bearing combines precision craftsmanship—featuring P0-P4 precision grades and Z1V1-Z3V3 vibration control—with durable bearing steel construction, minimizing downtime and extending equipment service life.Single-row deep groove raceway design optimizes load distribution, ideal for industrial machinery requiring consistent performanceFlexible lubrication options (grease or oil) adapt to diverse operational environments, reducing maintenance complexityRich stock availability ensures quick fulfillment, with 3-5 day sample delivery and 5-15 day bulk shipping to keep production on track
Deep Groove Ball Bearing 6806 Zz 2RS 25x47x12mm P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation for your industrial machinery with our Deep Groove Ball Bearing 6806 – designed to minimize downtime and enhance operational reliability. This 25x47x12mm bearing delivers consistent performance across P0-P4 precision grades, handling radial loads with ease while maintaining low vibration (Z1V1-Z3V3) for quiet, efficient operation.Choose between Zz shielded or 2RS sealed options to protect against contaminants, extending service life in demanding environmentsCrafted from high-grade bearing steel with grease or oil lubrication flexibility, ensuring compatibility with diverse industrial applicationsBacked by our ISO 9001-certified quality control, this bearing meets strict standards for dimensional accuracy and durability, reducing the need for frequent replacements
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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T/T · L/C · Alibaba
Flexible payment terms