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
High Precision S6903ZZ Stainless Steel Deep Groove Ball Bearing for Low Noise Industrial Use
Ensure smooth, quiet operation in industrial machinery with the high precision S6903ZZ stainless steel deep groove ball bearing, engineered to minimize noise while delivering reliable performance. Crafted from premium stainless steel, this single-row radial bearing resists corrosion and wear, making it ideal for demanding environments where standard bearings fail to maintain consistent rotation.Precision-grade construction (17*30*7mm) ensures optimal fit in low-noise industrial applications, reducing vibration and extending equipment lifespanUnseparated design enhances structural stability, providing the durability needed for continuous operation without frequent maintenanceBacked by Saifan’s strict quality control and 12-month warranty, this bearing delivers the long service life and reliability industrial buyers depend on
608zz 8x22x7 Deep Groove Ball Bearing GCr15 Steel P0-P4 Precision for Industrial Machinery
Ensure smooth, long-lasting operation in your industrial machinery with this high-performance 608zz deep groove ball bearing. Crafted from premium GCr15 steel and precision-engineered to P0-P4 standards, it delivers reliable rotation even under demanding conditions, reducing downtime and maintenance costs for your equipment.Perfect 8x22x7mm dimensions for seamless integration into motors, conveyors, and power toolsGrease or oil lubrication options to match your specific application needsZ1V1-Z3V3 vibration grades ensure quiet performance, ideal for noise-sensitive environmentsBacked by our strict quality control and 12-month warranty for peace of mind
Needle Roller Bearings HK4020 40x47x20mm P0-P4 Precision for Industrial Machinery
Ensure smooth, high-precision rotation in your industrial machinery with Needle Roller Bearings HK4020 40x47x20mm—engineered to deliver reliable performance even under heavy radial loads. Crafted from premium bearing steel and available in P0-P4 precision grades, these bearings minimize vibration and extend equipment lifespan, addressing the need for consistent operation in demanding manufacturing environments.Radial design without inner/outer rings saves installation space while maintaining P0-P4 precision (ideal for compact industrial setups)Supports grease or oil lubrication for flexibility in maintenance routines, ensuring long-term stabilityBacked by Saifan’s strict ISO 9001 quality control and 12-month warranty, with 3-7 day delivery to keep your production on track
Stainless Steel Deep Groove Ball Bearing S609 8x22x7mm Low Noise for Auto Parts
Ensure smooth, quiet operation in your auto parts with our Stainless Steel Deep Groove Ball Bearing S609, crafted to deliver reliable performance where precision matters most. This 8x22x7mm low-noise bearing minimizes vibration and wear, keeping your machinery running longer with consistent stability.Single-row radial design optimized for auto part applications, ensuring efficient load distribution and reduced maintenance needsUnseparated construction for easy installation and secure fit, eliminating alignment issues during assemblyMeets industry standards with a focus on durability, backed by our commitment to high-grade materials and strict quality control
Deep Groove Ball Bearing 6300-2RS1 12x32x10mm for Auto Parts High Speed Low Noise
Ensure smooth, quiet performance in your auto parts with this Deep Groove Ball Bearing 6300-2RS1, engineered to deliver high-speed rotation and minimal noise for reliable vehicle operation. Crafted to precision standards (P0-P4) with durable bearing steel, it maintains stable clearance (C0/C2/C3) under varying loads, addressing the need for consistent performance in demanding automotive environments.Perfect 12x32x10mm dimensions for seamless integration into transmission systems and auxiliary componentsDouble rubber seals (2RS1) prevent contamination, extending service life and reducing maintenance needsGrease or oil lubrication flexibility adapts to specific operational requirements, ensuring optimal friction control
High Precision Taper Roller Bearing 32008 33008 33108 30208 32208 for Industrial Machinery
Ensure smooth, precise rotation for your industrial machinery with our High Precision Taper Roller Bearing—engineered to minimize downtime and maximize operational efficiency. Available in models 32008, 33008, 33108, 30208, and 32208 (40*68*19mm specification), these single-row bearings deliver reliable performance under radial and axial loads, crafted from high-grade bearing steel for long-lasting durability.Precision ratings from P0 to P4 ensure consistent performance in demanding industrial applications, reducing vibration and extending equipment lifespanSeparated design allows for easy installation and maintenance, streamlining your workflow and cutting assembly timeSupports OEM/ODM customization to match your exact machinery specifications, backed by our 12-month warranty and expert technical support
Tapered Roller Bearings 33109 30209 32209 33209 30309 for Industrial Machinery P0-P4 Precision
Ensure smooth, precise rotation for your industrial machinery with our Tapered Roller Bearings—engineered to deliver P0-P4 precision across models 33109, 30209, 32209, 33209, and 30309. These single-row bearings (45*80*26mm) minimize downtime by handling heavy radial and axial loads, thanks to high-grade chrome steel construction that guarantees long service life even in demanding conditions.Open design allows flexible lubrication (oil, grease, dry) to adapt to your specific operational needsBacked by our ISO 9001:2015 certified quality control, ensuring consistent performance batch after batchSupports OEM/ODM customization to match unique machinery specifications, with fast 5-15 day bulk delivery
Deep Groove Ball Bearing 16006 25x47x12mm ZZ 2RS P0-P4 Precision for Industrial Machinery
Ensure smooth, low-noise operation for your industrial machinery with our Deep Groove Ball Bearing 16006, engineered to deliver reliable performance in high-precision applications. This 25x47x12mm bearing combines P0-P4 precision grades with ZZ/2RS sealing options, minimizing maintenance needs while extending equipment uptime.Single-row radial design with 0° contact angle ensures optimal load distribution, critical for consistent rotation in machine tools and conveyor systemsGrease or oil lubrication flexibility adapts to diverse operating conditions, reducing friction-related wear and tearManufactured from premium bearing steel to meet ISO standards, backed by our 12-month warranty for long-term peace of mind
Self-Aligning Roller Bearings 23144-23160 for Railway Vehicle Axle, High Precision P0-P4
Ensure smooth, reliable rotation for railway vehicle axles with our Self-Aligning Roller Bearings 23144-23160, engineered to deliver high precision (P0-P4) and long service life even under heavy loads. These double-row radial bearings self-align to compensate for shaft misalignment, reducing wear and minimizing maintenance downtime—critical for keeping rail operations on schedule.Precision ratings from P0 to P4 meet strict railway industry standards, ensuring consistent performance across speed variationsConstructed with high-grade bearing steel for exceptional durability, paired with clearance options (C0/C3/C4) to optimize load distributionBacked by our ISO 9001-certified quality control and 12-month warranty, offering peace of mind for your fleet’s reliability
High Speed Angular Contact Ball Bearings 7026AC 130x200x33mm for Gas Turbine Long Life
Ensure uninterrupted gas turbine performance with High Speed Angular Contact Ball Bearings 7026AC—engineered to deliver exceptional rotational stability at 130x200x33mm dimensions. Crafted from premium bearing steel and precision-ground to P4 grade, these bearings minimize vibration (Z3V3 class) and extend service life in high-temperature, high-load environments, addressing the critical need for reliable motion control in industrial power systems.Optimized contact angle design reduces friction under radial and axial loads, maintaining efficiency even at peak operating speedsCustomizable separation and row configurations available to match specific turbine assembly requirementsBacked by ISO 9001-certified quality control and 12-month warranty for long-term operational confidence
Deep Groove Ball Bearing 6303 17x47x14mm P0-P4 Precision for Auto Parts
Ensure smooth, reliable rotation in auto parts with the Deep Groove Ball Bearing 6303, engineered to deliver consistent performance in demanding automotive applications. This 17x47x14mm bearing features precision grades from P0 to P4, balancing cost-effectiveness with the accuracy needed to minimize vibration and extend component lifespan.Single-row, non-aligning design optimized for radial loads, ensuring stable operation in transmissions and auxiliary systemsConstructed with high-grade bearing steel and available with grease or oil lubrication, tailored to your maintenance preferencesBacked by Saifan’s strict quality control and 12-month warranty, providing peace of mind for both OEM production and replacement needs
Taper Roller Bearing 30228 P0-P4 Precision for Industrial Machinery – Open Type
Ensure smooth, precise rotation in your industrial machinery with the Taper Roller Bearing 30228, engineered to deliver consistent performance across P0-P4 precision grades. Designed as an open-type single row bearing, it handles radial loads with reliability, making it ideal for heavy-duty applications where durability and alignment are critical.Separated inner and outer rings allow easy mounting and maintenance, reducing downtime during equipment servicingConstructed from high-grade bearing steel for extended service life, even under demanding operating conditionsComplies with international standards to ensure compatibility with existing machinery setups, supporting seamless integration
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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T/T · L/C · Alibaba
Flexible payment terms