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
Rod End Bearing KR40-KR62 Self-Lubricating Industrial Spherical Plain Bearing GB/T9161
Ensure smooth, low-maintenance industrial motion with the Rod End Bearing KR40-KR62 Self-Lubricating Industrial Spherical Plain Bearing GB/T9161. This self-lubricating spherical plain bearing eliminates the need for frequent manual lubrication, reducing downtime and operational costs while maintaining consistent performance in demanding applications.Engineered to handle both trust and radial loads with steel-on-steel sliding contact, ensuring durability and precision (P0-P4 grade) for long service lifeComplies with GB/T9161 standards, making it a reliable choice for industrial machinery, automotive components, and agricultural equipment requiring high-precision rotationFeatures a compact 100*150*90 mm specification, ideal for tight installation spaces without sacrificing load capacity or stability
Deep Groove Ball Bearing 6013-Z 65x100x18mm High Speed for Auto Machinery
Keep your auto machinery running smoothly with reliable high-speed performance using our Deep Groove Ball Bearing 6013-Z. Engineered to deliver consistent rotation at 65x100x18mm dimensions, this single-row radial bearing minimizes downtime and ensures long-term stability for critical automotive applications.High-grade bearing steel construction withstands heavy radial loads while maintaining precision, addressing the need for durable components in demanding machineryUnseparated design ensures easy installation and maintenance, a key detail for professionals seeking hassle-free part replacementOptimized for high-speed operation, reducing friction and heat buildup to extend equipment lifespan and improve overall efficiency
Needle Roller Bearing RNA4912 68x85x25mm P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with the Needle Roller Bearing RNA4912 68x85x25mm, engineered to deliver consistent performance even under heavy radial loads. This closed-type radial bearing, crafted from high-grade bearing steel, minimizes vibration and extends equipment uptime—critical for maintaining production schedules without unexpected interruptions.P0-P4 precision ratings available to match your exact tolerance requirements, with C0/C3/C4 clearance options for optimal fitGrease or oil lubrication flexibility adapts to diverse operating conditions, reducing maintenance complexity3-7 day delivery ensures quick replacement to keep your machinery running—no long waits for critical components
Deep Groove Ball Bearing 6305 25x62x17mm P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with this Deep Groove Ball Bearing 6305, engineered to deliver consistent performance even under heavy loads. Crafted to P0-P4 precision standards and measuring 25x62x17mm, it minimizes vibration (Z1V1-Z3V3 grades) and extends equipment lifespan, so you can reduce downtime and maintenance costs.Available in Zz, 2RS, or Open seals with grease/oil lubrication options to match your specific application needsConstructed from high-grade bearing steel for durability, backed by our ISO 9001-certified quality controlSupports both OEM customization and quick sample orders (3-5 day delivery), making it ideal for manufacturers and distributors alike
Deep Groove Ball Bearing 6017 6217 6317 6417 for Transmission & Motor Applications
Ensure smooth, reliable rotation in your transmission and motor systems with our Deep Groove Ball Bearing series (6017, 6217, 6317, 6417). Crafted from high-grade bearing steel, these single-row, unseparated radial bearings deliver consistent performance under radial loads, reducing downtime and extending equipment lifespan.Precision-engineered to minimize vibration and noise, ideal for motor applications where smooth operation is criticalUnseparated design ensures easy installation and maintenance, streamlining your assembly processComplies with international standards, offering a cost-effective alternative to imported high-end bearings without compromising quality
UC204-207 Pillow Block Insert Bearing for Agricultural Machinery High Load Capacity
Keep your agricultural machinery running smoothly even under heavy loads with our UC204 Pillow Block Insert Bearing—engineered to deliver reliable performance for tractors, harvesters, and other farm equipment. Crafted from high-grade bearing steel with a deep groove raceway, this single-row insert bearing (P block model) ensures reduced friction and extended service life, addressing the common challenge of premature wear in demanding field conditions.Precision ratings from P0 to P4 and vibration grades Z1V1-Z3V3 for quiet, stable operationVersatile lubrication options (grease or oil) for easy maintenance in diverse agricultural environmentsCompact 20*47*31mm specification fits standard agricultural machinery mountsBacked by Saifan’s 12-month warranty and responsive after-sales support, so you can focus on productivity, not equipment downtime
Needle Roller Bearing LB25UU LB30UU LB35UU LB40UU LB50UU with P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation for your industrial machinery with our Needle Roller Bearing series (LB25UU/LB30UU/LB35UU/LB40UU/LB50UU), engineered to deliver reliable performance even under heavy loads. Crafted from high-grade bearing steel with P0-P4 precision ratings and C0/C3/C4 clearance options, these closed-type radial bearings minimize vibration and extend equipment lifespan, addressing the critical need for stable, long-lasting components in demanding industrial environments.Designed without inner/outer rings for space-saving installation in compact machinery setupsSupports both grease and oil lubrication to adapt to your specific operational requirementsBacked by our ISO 9001:2015 quality assurance and flexible 3-7 day delivery, ensuring you get the right bearings when you need them
Tapered Roller Bearings 30234 30336 32238 High Precision for Industrial Machinery
Ensure smooth, precision-driven performance in your industrial machinery with our High Precision Tapered Roller Bearings, including models 30234, 30336, and 32238. These robust components deliver long service life and low noise operation, even under heavy loads, addressing the critical need for reliable rotation in demanding industrial environments.Precision ratings from P0 to P4 and vibration grades Z1V1 to Z3V3 ensure consistent, high-speed performance170*310*57 mm specification (30234 model) fits seamlessly into industrial equipment assembliesBacked by Saifan's strict quality control and 12-month warranty for lasting peace of mind
Timken 32316 Tapered Roller Bearing 80x170x58mm P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation for your industrial machinery with the Timken 32316 tapered roller bearing, engineered to deliver reliable performance even under heavy loads. This 80x170x58mm unit combines P0-P4 precision grades with Z1V1-Z3V3 vibration control, minimizing downtime and extending equipment lifespan.Grease or oil lubrication flexibility adapts to diverse operating conditions, reducing maintenance hassleTimken quality ensures consistent dimensional accuracy, critical for high-torque applications in machine tools and reducersBacked by our one-stop service promise, including OEM/ODM support and strict ISO 9001 quality standards for peace of mind
High Precision Deep Groove Ball Bearing 61912 61912-Z 61912-2Z for Machinery
Ensure smooth, precise machinery operation with our High Precision Deep Groove Ball Bearing 61912 series—engineered to minimize downtime and enhance equipment reliability. Crafted from premium bearing steel with a 0° contact angle, these single-row radial bearings deliver consistent performance in industrial applications, from machine tools to conveyor systems.60*85*13mm dimensions ensure perfect fit for standard machinery setups, reducing installation hassleAvailable in open (61912), single shield (61912-Z), and double shield (61912-2Z) variants to suit dust and moisture protection needsBacked by Saifan’s strict quality control and 12-month warranty, ensuring long service life even under continuous operation
Self-Aligning Roller Bearing 22217EAE4 22218EAE4 22219EAE4 22220EAE4 22222EAE4 for Industrial Machinery
Ensure smooth, reliable operation of your industrial machinery with our high-performance Self-Aligning Roller Bearing series, including models 22217EAE4, 22218EAE4, 22219EAE4, 22220EAE4, and 22222EAE4. Designed to accommodate misalignment and heavy radial loads, these bearings minimize downtime and extend equipment lifespan in tough industrial environments.Precision-engineered with P0-P4 accuracy and C0/C3/C4 clearance options to match your specific machinery requirementsConstructed from premium bearing steel for exceptional durability, even under continuous high-load operationDouble-row roller design delivers superior load capacity and stability, ideal for machine tools, reducers, and conveyor systemsBacked by our 12-month warranty and expert technical support to keep your production line running without interruption
Self-Aligning Roller Bearing 22228CDE4 22228CDKE4 P0-P4 Precision for Industrial Machinery
Ensure smooth, reliable rotation in your industrial machinery with the Self-Aligning Roller Bearing 22228CDE4/22228CDKE4, engineered to deliver P0-P4 precision for heavy-duty applications. Its double-row roller design and radial load capacity minimize downtime by accommodating misalignment, while the high-grade bearing steel construction ensures long service life even under demanding conditions.Precision ratings from P0 to P4 meet strict industrial standards, reducing vibration and noise for smoother operationAvailable clearances (C0, C3, C4) allow customization to specific machinery requirements, ensuring optimal performanceLarge outer dimensions (140*250*68 mm) support high load capacities, ideal for industrial equipment like reducers and printing machinesBacked by Saifan's ISO 9001-certified quality control and 12-month warranty, providing peace of mind for 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.
📦
Full FCL Support
20GP / 40HQ containers
🏷️
OEM Branding
Custom packaging & labels
⏱️
5-15 Day Lead
Bulk production timeline
💳
T/T · L/C · Alibaba
Flexible payment terms