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
Spherical Plain Bearing GEG15ES-2RS GEG17ES-2RS GEG20ES-2RS GEG25ES-2RS for Construction Machinery
Ensure smooth, reliable operation in heavy-duty construction machinery with our Spherical Plain Bearing GEG series. These GEG15ES-2RS, GEG17ES-2RS, GEG20ES-2RS, and GEG25ES-2RS models deliver consistent performance under extreme loads, reducing downtime and maintenance costs for engineering hydraulic cylinders, forging machines, and automation equipment.Steel-on-steel sliding contact and self-lubricating design eliminate the need for frequent re-lubrication, ideal for harsh job site conditionsPrecision-machined whole outer ring (15*30*16mm for GEG15ES-2RS) ensures stable radial load handling and long service lifeLow noise operation and high durability meet the rigorous demands of construction machinery, backed by our ISO 9001-certified manufacturing process
Auto Parts Deep Groove Ball Bearing 6203-2RS 17x40x12mm Low Vibration Bearing Steel
Ensure smooth, low-vibration performance in your auto parts with this Auto Parts Deep Groove Ball Bearing 6203-2RS. Crafted from high-grade bearing steel and precision-engineered to 17x40x12mm dimensions, it minimizes noise and wear, extending the lifespan of your machinery even under continuous operation.Single-row radial design with 0° contact angle ensures optimal load distribution for reliable rotational stabilitySealed construction (2RS) protects against contaminants, reducing maintenance needs and enhancing durabilityMeets strict industry standards for consistent performance, making it ideal for automotive transmission systems and auxiliary components
LM 6LUU Linear Needle Roller Bearings with P0-P4 Precision for Industrial Machinery
Ensure smooth, precise linear motion in your industrial machinery with our LM 6LUU Linear Needle Roller Bearings—engineered to minimize friction and maximize operational stability. Crafted with P0-P4 precision grades, these bearings deliver consistent performance even under heavy loads, reducing downtime and extending your equipment’s service life.Alloy construction ensures durability in demanding industrial environments, compatible with both grease and oil lubrication for flexible maintenanceCircular flange design and open shape allow easy integration into existing setups, with C0/C3/C4 clearance options to match specific application needsBacked by our ISO-certified manufacturing process, ensuring each bearing meets strict quality standards for reliable rotation you can trust
6400 Deep Groove Ball Bearing High Speed Low Noise for Industrial Machinery
Keep your industrial machinery running smoothly with the 6400 Deep Groove Ball Bearing, engineered for high-speed performance and minimal noise to reduce operational disruptions. Crafted from premium bearing steel with precision ratings up to P4 and vibration grades Z3V3, this bearing delivers consistent rotation even in demanding conditions, ensuring long-term reliability without frequent replacements.Grease or oil lubrication options adapt to your specific machinery needs, enhancing versatility across industrial applicationsRich stock availability means quick fulfillment—no delays in keeping your production line movingBacked by our commitment to ISO standards and strict quality control, you’ll get a bearing that meets the exacting demands of professional equipment
Self-Aligning Roller Bearing 22344MB 22348MB 22352MB 22356MB/W33 for Industrial Machinery P0-P4 Precision
Ensure smooth, long-lasting operation for your industrial machinery with our Self-Aligning Roller Bearing series (22344MB, 22348MB, 22352MB, 22356MB/W33). Engineered to P0-P4 precision, these double-row bearings automatically compensate for shaft misalignment, reducing downtime and extending equipment life in heavy-duty applications.Built with high-grade bearing steel and available in C0/C3/C4 clearance options to match your machinery’s exact load and speed requirementsSupports radial loads with exceptional stability, making it ideal for industrial machinery, reducers, and heavy equipmentBacked by our ISO 9001-certified production process for consistent quality and reliable performance you can trust
Self Aligning Ball Bearing 2313K-2RS 65x140x48mm P0-P4 Precision with Steel/Brass Cage
Ensure smooth, reliable rotation in your machinery with the Self Aligning Ball Bearing 2313K-2RS, designed to minimize downtime and reduce maintenance headaches. This 65x140x48mm bearing adapts to shaft misalignment effortlessly, making it ideal for industrial equipment prone to minor positional shifts.P0-P4 precision grades and C0/C3/C4 clearance options let you tailor performance to your exact load and speed requirementsSteel or brass cage construction ensures durability in heavy-duty operations, backed by Saifan's ISO 9001-certified quality control2RS sealing keeps contaminants out, extending service life even in harsh working environments
Cylindrical Roller Bearing NSK NU311 55x120x29mm for Auto Spare Parts High Precision P0-P4
Ensure smooth, precise rotation for your auto spare parts with the Cylindrical Roller Bearing NSK NU311—engineered to deliver reliable performance in demanding automotive applications. This high-precision bearing (55x120x29mm) maintains P0-P4 precision grades, minimizing vibration and extending equipment lifespan, so you can trust it to keep critical components running without interruption.Separated design allows easy mounting and dismounting, simplifying maintenance for busy workshopsRadial load capacity optimized for auto transmissions and auxiliary systems, meeting ISO industrial standardsBearing steel construction ensures durability under heavy loads, reducing the need for frequent replacements
Deep Groove Ball Bearing 16015 6015 for Agricultural Machinery Transportation Vehicles
Keep your agricultural machinery and transportation vehicles running smoothly with our Deep Groove Ball Bearing 16015 6015, engineered to deliver reliable performance under heavy loads and demanding conditions. Crafted from high-grade bearing steel with a 0° contact angle, this radial bearing minimizes friction to extend equipment uptime, reducing costly delays in the field or on the road. Precision-sized at 10*26*8mm to fit seamlessly into agricultural and transportation systems, ensuring consistent rotation and reduced wear Single-row design optimized for radial load handling, making it ideal for the repetitive stress of farm machinery and vehicle applications Backed by our strict quality control and 12-month warranty, so you can trust in long-lasting performance without worrying about unexpected failures
Deep Groove Ball Bearing 6201 12x32x10mm for Automotive Tapered Roller Equipment
Ensure smooth, reliable rotation in your automotive tapered roller equipment with the Deep Groove Ball Bearing 6201 (12x32x10mm). Crafted from high-grade bearing steel with precision ratings up to P4 and noise grades as low as Z4, this NSK bearing delivers long life and stable performance even under heavy loads.Seal options (ZZ, 2RS, Open) and clearance grades (C0/C2/C3) let you tailor to specific operating conditions, while grease or oil lubrication flexibility ensures adaptability to your setupBacked by Saifan’s strict quality control and 12-month warranty, this bearing reduces downtime and maintenance costs for industrial machinery and automotive applications
High-Speed Auto Wheel Hub Bearing DAC37720033 with P0-P4 Precision for Automotive Applications
Ensure smooth, high-speed performance for your automotive applications with the DAC37720033 Auto Wheel Hub Bearing, engineered to deliver reliable rotation even under demanding conditions. Crafted from premium bearing steel with P0-P4 precision ratings, this single-row radial bearing minimizes vibration and extends service life, addressing the need for consistent performance in critical vehicle systems.Precision-machined 70*180*42mm dimensions ensure perfect fit for automotive wheel hub assemblies, reducing installation time and alignment issuesSupports OEM/ODM customization to match specific vehicle models, backed by ISO 9001:2015 quality certification for peace of mindOpen seal design allows flexible lubrication options (oil, grease, dry) to adapt to varied operating environments, enhancing versatility for manufacturers
Conical Roller Bearings 30306 31306 32306 P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation for your industrial machinery with Conical Roller Bearings 30306 31306 32306—engineered to deliver P0-P4 precision and Z1V1-Z3V3 vibration control, reducing downtime and enhancing equipment longevity. Crafted with high-grade materials and strict ISO 9001:2015 quality standards, these bearings balance heavy loads with minimal noise, making them ideal for machine tools, reducers, and agricultural equipment.30x72x19mm specification ensures perfect fit for standard industrial assemblies, supporting both grease and oil lubrication for versatile installationBacked by Saifan’s 12-month warranty and expert technical support, so you can trust consistent performance even in demanding工况
1604 Open Ball Bearing 9.525X22.225X7.14mm for Auto Agricultural Machinery
Keep your auto and agricultural machinery running smoothly with the 1604 Open Ball Bearing, engineered to deliver reliable rotation even in demanding work environments. This radial bearing, sized at 9.525X22.225X7.14mm, ensures minimal downtime with its single-row unseparated design, crafted from high-grade bearing steel for long-lasting performance. Precision-engineered to reduce vibration and noise, making it ideal for both automotive and agricultural applications where consistent operation is key Direct replacement for worn components, ensuring a perfect fit and immediate restoration of machinery efficiency Backed by our strict quality control processes and 12-month warranty, giving you peace of mind with every purchase
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
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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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