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
China 22248 CC CA W33 Spherical Roller Bearing for High Load Industrial Machinery
Ensure smooth, high-load operation in your industrial machinery with this reliable 22248 spherical roller bearing, engineered to handle heavy radial loads while accommodating misalignment. Crafted from premium bearing steel with a double-row design and C3 clearance, it delivers exceptional durability and stability—perfect for machinery operating under intense conditions.Precision you can trust: Available in P0-P4 grades to meet strict performance requirements, ensuring consistent rotation and reduced downtimeDesigned for industrial resilience: 100*215*47mm dimensions with W33 lubrication groove for extended service life in harsh environmentsFlexible customization options (OEM/ODM) let you tailor specifications to your exact machinery needs, backed by our ISO 9001-certified quality control
China HR30321J Tapered Roller Bearing P0-P4 Precision Long Life for Industrial Machinery
Ensure smooth, long-lasting industrial machinery operation with the HR30321J Tapered Roller Bearing, engineered to deliver precision performance and reduce costly downtime. Crafted to P0-P4 precision grades and Z1V1-Z3V3 vibration standards, this 105x225x53.50mm bearing balances high-speed capability with low noise operation, making it ideal for heavy-duty industrial applications.High-grade chrome steel construction ensures extended service life even under rigorous working conditionsFlexible availability with rich stock options and efficient delivery (3-5 days for samples, 5-15 days for bulk orders)Backed by ISO 9001:2015 quality certification and 12-month warranty for reliable performance you can trust
Self-Aligning Roller Bearing 22326EAE4 22328EAE4 for Industrial Machinery P0-P4 Precision
Ensure smooth, precise rotation for your industrial machinery with our Self-Aligning Roller Bearing—engineered to minimize downtime and handle misalignment effortlessly. This 22326EAE4 model, available in P0-P4 precision grades, delivers reliable performance under heavy radial loads, making it ideal for industrial machinery like reducers and printing equipment.Double-row design with C0/C3/C4 clearance options adapts to dynamic operating conditions, reducing premature wearConstructed from high-grade bearing steel for extended service life, ensuring consistent operation even in demanding environmentsSupports OEM/ODM customization to match your specific dimensional requirements, backed by our ISO 9001:2015 quality assurance
Self-Aligning Roller Bearing 24180CAK W33 Double Row for Industrial Machinery P0-P4 Precision
Ensure smooth, reliable operation for your industrial machinery with this high-performance Self-Aligning Roller Bearing 24180CAK W33. Engineered to minimize downtime and reduce maintenance costs, its double-row design and precision grade options (P0-P4) deliver exceptional load capacity and alignment flexibility, even in heavy-duty applications.Constructed with premium bearing steel for extended service life and stable performance under radial loadsFeatures C0/C3/C4 clearance options to accommodate thermal expansion and installation requirements, ensuring optimal fit for specific machinery needsSupports OEM/ODM customization to match your exact specifications, backed by ISO 9001:2015 quality certification for consistent reliability
Spherical Roller Bearing 22336 CC CA W33 High Load Capacity for Industrial Machinery
Ensure smooth, high-load industrial machinery operation with our Spherical Roller Bearing 22336 CC CA W33, engineered to handle heavy radial and axial loads while self-aligning to compensate for shaft misalignment. Crafted from premium bearing steel with precision grades up to P4 and clearance options (C0/C3/C4), this 100*215*47 mm bearing delivers reliable performance in demanding industrial environments.Self-aligning design reduces installation stress and extends equipment lifespanSupports both grease and oil lubrication for flexible maintenanceBacked by ISO 9001-certified manufacturing for consistent quality and peace of mind
Deep Groove Ball Bearing Koyo 6204r 6304 6907 for Industrial Machinery High Precision
Ensure smooth, precise rotation for your industrial machinery with our Deep Groove Ball Bearing—engineered to minimize downtime and maximize operational efficiency. Crafted from high-grade bearing steel and precision-machined to meet P0-P4 standards, this single-row radial bearing delivers exceptional load capacity and wear resistance, even in demanding manufacturing environments.Models include Koyo 6204r, 6304, and 6907, with critical dimensions like 45*68*12mm ensuring exact compatibility with industrial equipmentUnseparated design maintains structural integrity during high-speed operation, reducing maintenance needs and extending service lifeBacked by our ISO 9001-certified quality control, each bearing undergoes rigorous noise and vibration testing to guarantee reliable performance you can trust
Double Row Angular Contact Bearings P0-P4 Precision for Automobile Rolling Mill
Ensure smooth, high-precision rotation for your automobile rolling mill with our Double Row Angular Contact Bearings, engineered to deliver reliable performance even under heavy loads. Crafted with premium bearing steel and available in P0-P4 precision grades, these bearings minimize vibration (Z1V1-Z3V3) and extend machinery lifespan, addressing the critical need for stable operation in demanding industrial environments.Unseparated design maintains alignment under radial and axial loads, ideal for rolling mill applications where precision is non-negotiableGrease or oil lubrication flexibility allows adaptation to your specific operational conditions, ensuring optimal performanceISO-certified quality with in-stock availability for quick deployment, backed by our 12-month warranty and expert technical support
Deep Groove Ball Bearings 4204 4304 with Bearing Steel for Industrial Machinery
Ensure smooth, long-lasting performance for your industrial machinery with these Deep Groove Ball Bearings 4204 4304, crafted from high-grade bearing steel to minimize downtime and boost operational reliability. The 45*68*12mm precision design delivers consistent radial load handling, making them ideal for machine tools, conveyors, and textile equipment where stability under continuous use is non-negotiable.Single-row, unseparated structure ensures easy installation and maintenance, reducing setup time for busy production linesEngineered to meet rigorous industrial standards, these bearings balance durability and precision to keep your machinery running at peak efficiencyBacked by our expertise in bearing manufacturing, you’ll get a component that withstands heavy loads and frequent use without compromising on performance
Ukp311 H2311 Agricultural Pillow Block Bearing High Load Plastic Housing
Keep your agricultural machinery running smoothly with the Ukp311 H2311 Agricultural Pillow Block Bearing—built to handle heavy loads and resist wear, so you can focus on harvests instead of equipment downtime. Its plastic housing offers corrosion resistance in damp farm environments, while the deep groove raceway ensures consistent performance in tractors and harvesters.High-load capacity meets the demands of agricultural equipment, reducing the need for frequent replacementsPrecision rating options (P0-P4) ensure compatibility with various machinery specsGrease or oil lubrication flexibility for easy maintenance in the field
High Carbon Chromium Steel Cam Follower Roller Bearings for Industrial Machinery, Long Life
Ensure smooth, long-lasting operation for your industrial machinery with our High Carbon Chromium Steel Cam Follower Roller Bearings. Engineered to deliver exceptional durability and precision, these bearings minimize downtime and reduce maintenance costs, even in high-load applications.Precision ratings from P0 to P4 and vibration levels Z1-Z4 ensure quiet, stable performance in critical machinery componentsHigh carbon chromium steel construction enhances wear resistance, extending service life beyond standard bearingsSupports OEM/ODM customization to match your specific machinery requirements, backed by our ISO 9001:2015 quality assurance
Needle Roller Bearing RNA4912 RNA4913 RNA4914 68x85x25mm P0-P4 Precision for Industrial Machinery
Ensure smooth, long-lasting operation for your industrial machinery with our high-performance Needle Roller Bearing RNA series. Engineered to deliver P0-P4 precision (68x85x25mm for RNA4913), these bearings minimize vibration and extend equipment lifespan, even under heavy radial loads.Enhanced durability: Crafted from premium bearing steel with closed design, ideal for machinery requiring reliable rotation and low maintenance.Flexible lubrication options (grease or oil) and C0/C3/C4 clearance settings adapt to diverse industrial conditions, reducing unplanned downtime.Supports OEM/ODM customization to match your exact specifications, backed by Saifan’s strict ISO 9001 quality control and 12-month warranty.
Automobile Air Conditioning Compressor Bearing 32BD45DU for NSK Mitsubishi Mazda 959 Xiali with Low Noise
Experience quieter, smoother rides with the Automobile Air Conditioning Compressor Bearing 32BD45DU, engineered to eliminate annoying AC system noise and ensure reliable performance in Mitsubishi, Mazda 959, and Xiali vehicles. This precision-crafted bearing (32x52x18mm) delivers long-lasting durability with its high-grade bearing steel construction and P0-P4 precision rating, directly addressing the common frustration of premature wear in automotive AC components.Low noise operation enhances driving comfort, a critical detail for climate control systems where sound disruption is a key concernDouble-row radial design handles radial loads efficiently, ensuring stable rotation even under varying temperature conditionsCompatible with NSK specifications for seamless replacement, backed by Saifan's strict quality control and 12-month warranty for peace of mind
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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Flexible payment terms