Precision bearing manufacturing
Factory Direct · ISO 9001:2015 Certified

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

All Products

4835 products found

Factory Direct · 1 pc MOQ · 3-5 Day Sample
Thrust Ball Bearings 51126 51226 51128 for Automobile Spare Parts with P0-P4 Precision and Z1V1-Z3V3 Vibration Grade
Ball Bearing

Thrust Ball Bearings 51126 51226 51128 for Automobile Spare Parts with P0-P4 Precision and Z1V1-Z3V3 Vibration Grade

Ensure smooth, reliable rotation in your automobile spare parts with our high-performance Thrust Ball Bearings—engineered to deliver precision and stability for critical automotive applications. Available in models 51126, 51226, and 51128, these bearings combine P0-P4 precision grades with Z1V1-Z3V3 vibration control to minimize noise and maximize durability, even under heavy loads.Separated design allows easy installation and maintenance, a key advantage for automotive repair and assembly workflowsConstructed with premium bearing steel and lubricated for optimal performance, ensuring long service life in demanding conditionsISO 9001:2015 certified quality guarantees consistent reliability, backed by our flexible order options and responsive after-sales support

Deep Groove Ball Bearing 693 Gcr15 Steel P0-P4 Precision Z1V1-Z3V3 for Industrial Machinery
Ball Bearing

Deep Groove Ball Bearing 693 Gcr15 Steel P0-P4 Precision Z1V1-Z3V3 for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with the Deep Groove Ball Bearing 693, crafted from high-grade Gcr15 steel to deliver exceptional durability and performance. Engineered to P0-P4 precision grades and Z1V1-Z3V3 noise ratings, this bearing minimizes vibration and extends equipment lifespan, even under continuous operation.Single-row radial design with 3*8*3mm specification, compatible with seals ZZ, 2RS, or Open for versatile application needsGrease or oil lubrication options ensure adaptability to your machinery’s unique requirements, reducing maintenance hassleBacked by our ISO 9001:2015 certified production process, guaranteeing consistent quality and reliable supply for your critical operations

Spherical Plain Bearing GE4E GE5E GE12E Self-lubricating for Construction Machinery
Joint Bearing

Spherical Plain Bearing GE4E GE5E GE12E Self-lubricating for Construction Machinery

Minimize downtime and boost machinery reliability with our premium Self-lubricating Spherical Plain Bearing series, engineered specifically for the rigors of construction equipment. The GE4E, GE5E, and GE12E models deliver consistent performance in heavy-load applications like hydraulic cylinders and forging machines, eliminating the need for frequent manual lubrication.Precision-crafted from high-grade bearing steel with a steel-on-steel sliding contact design, ensuring durability even under extreme working conditionsWhole outer ring structure enhances radial load capacity, critical for maintaining alignment in excavators and automation equipmentCompact 4*12*5mm specification (GE4E) fits tight spaces without compromising on strength, a must-have for modern machinery designBacked by our ISO 9001-certified manufacturing, these bearings reduce maintenance costs while extending equipment service life—exactly what you need to keep your operations running smoothly.

Spherical Roller Bearing 21320 Cc Ca W33 High Load Capacity for Industrial Machinery
Roller Bearing

Spherical Roller Bearing 21320 Cc Ca W33 High Load Capacity for Industrial Machinery

Ensure smooth, high-load industrial machinery operation with our Spherical Roller Bearing 21320 CC CA W33, engineered to handle heavy radial and axial loads while accommodating misalignment. Crafted from premium bearing steel with P0-P4 precision grades and C0/C3/C4 clearance options, this double-row aligning bearing delivers consistent performance in tough industrial environments, reducing unplanned downtime and maintenance costs.100x215x47mm specification with W33 lubrication groove ensures efficient heat dissipation and extended service lifeSupports OEM/ODM customization to match your exact machinery requirements, backed by our ISO 9001:2015 quality certificationDesigned for industrial machinery like reducers and excavators, offering reliable rotation even under extreme working conditions

High Precision N2205 NJ2205 NU2205 Cylindrical Roller Bearing for Industrial Machinery
Roller Bearing

High Precision N2205 NJ2205 NU2205 Cylindrical Roller Bearing for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with our High Precision N2205 NJ2205 NU2205 Cylindrical Roller Bearing. Engineered to deliver reliable performance under heavy radial loads, this 25*52*18mm bearing minimizes downtime and maximizes equipment efficiency—perfect for manufacturers seeking consistent quality in demanding applications.Precision you can trust: Available in P0-P4 grades with Z2-Z3 noise ratings, ensuring tight tolerances and quiet operation for sensitive machinery.Built to last: Crafted from high-grade bearing steel with a separated structure for easy installation and maintenance, reducing long-term operational costs.Flexible solutions: Supports OEM/ODM customization to match your specific industrial needs, backed by our ISO 9001-certified production process for peace of mind.

Auto Parts Deep Groove Ball Bearing S6809 S6810 S6811 S6812 for OEM ODM Customization
Ball Bearing

Auto Parts Deep Groove Ball Bearing S6809 S6810 S6811 S6812 for OEM ODM Customization

Ensure smooth, reliable rotation in your auto parts with our Auto Parts Deep Groove Ball Bearing series—engineered to eliminate performance inconsistencies and minimize downtime. Available in S6809, S6810, S6811, and S6812 models (including the precision 60x78x10mm S6812), these bearings deliver P0-P4 precision and Z2-Z4 noise control, making them ideal for OEM/ODM customization to match your exact specifications.Grease or oil lubrication options adapt to diverse operating conditions, ensuring long service life even under heavy loadsBacked by ISO 9001:2015 certification and our 12-month warranty, so you can trust consistent quality batch after batchFlexible production support from sample orders to bulk shipments (3-5 days for samples) keeps your assembly line running without delays

Taiwan Precision Ball Screw SFU/SFY/SFS Type for CNC Machine Tools OEM ODM Service
Unclassified

Taiwan Precision Ball Screw SFU/SFY/SFS Type for CNC Machine Tools OEM ODM Service

Boost CNC machining precision and reduce downtime with Taiwan Precision Ball Screw SFU/SFY/SFS Type, engineered to deliver smooth, consistent motion for your machine tools. Our alloy construction ensures durability under heavy loads, while OEM/ODM service lets you tailor specifications to your exact application—no more compromising on fit or performance. LM series design optimized for CNC compatibility, minimizing backlash and enhancing positional accuracySupported by our 12-month warranty and technical expertise, ensuring reliable operation from installation to long-term useFlexible production capacity (10000 units) meets both small-batch needs and large-scale orders, keeping your workflow uninterrupted

Conical Roller Bearings 30308-30312 P0-P4 Precision for Automotive Industrial Applications
Roller Bearing

Conical Roller Bearings 30308-30312 P0-P4 Precision for Automotive Industrial Applications

Ensure smooth, reliable rotation in your automotive and industrial applications with our Conical Roller Bearings—engineered for high speed, low noise, and long service life. Available in models 30308-30312 with precision grades from P0 to P4, these bearings deliver consistent performance under heavy loads, reducing downtime and maintenance costs for machinery and vehicle drivetrains. Z1V1-Z3V3 vibration grades minimize operational noise, critical for precision equipment and passenger comfort Rich stock availability ensures quick 3-5 day sample delivery, supporting your production timelines OEM/ODM customization options let you tailor dimensions to exact specifications, from 40*90*23mm standard sizes to unique housing designs

Deep Groove Ball Bearing 6202 15x35x11mm NSK Original for Industrial Machinery
Ball Bearing

Deep Groove Ball Bearing 6202 15x35x11mm NSK Original for Industrial Machinery

Ensure smooth, reliable rotation in your industrial machinery with the Deep Groove Ball Bearing 6202—a precision-engineered solution that minimizes downtime and maximizes operational efficiency. This genuine NSK original bearing, sized at 15x35x11mm, delivers consistent performance under radial loads, making it ideal for machine tools, conveyors, and textile equipment.Single-row design with a 0° contact angle ensures optimal load distribution and low friction, extending your machinery’s service lifeCrafted from high-grade bearing steel to meet严格 quality standards, ensuring stable operation even in continuous-use industrial environmentsDirect replacement for worn components, fitting seamlessly into existing setups to reduce maintenance delays

R165142420 Rexroth Linear Motion Guide Rail Slide Block Bearing for Automobile and Rolling Mill
Linear Bearing

R165142420 Rexroth Linear Motion Guide Rail Slide Block Bearing for Automobile and Rolling Mill

Ensure smooth, precise motion in automotive and rolling mill operations with this R165142420 Rexroth Linear Motion Guide Rail Slide Block Bearing. Crafted from high-grade bearing steel and available in precision ratings from P0 to P2, it delivers reliable thrust load performance even in heavy-duty industrial environments, reducing downtime and enhancing equipment efficiency.Single-row separated design minimizes vibration (Z1V1-Z3V3 grades) for stable operation in metallurgy and mining applicationsSupports both grease and oil lubrication to adapt to diverse working conditions, ensuring long service lifeIn-stock availability enables quick deployment, addressing urgent production needs without delays

Stainless Steel S699zz Deep Groove Ball Bearing 9x20x6mm High Precision Low Noise
Ball Bearing

Stainless Steel S699zz Deep Groove Ball Bearing 9x20x6mm High Precision Low Noise

Experience smooth, quiet rotation in demanding applications with our Stainless Steel S699zz Deep Groove Ball Bearing—engineered to deliver reliable performance where standard bearings fail. This 9x20x6mm high precision bearing minimizes noise and vibration, ensuring your machinery runs efficiently with less maintenance downtime, thanks to its single-row radial design and unseparated structure that enhances stability under radial loads. Crafted from premium stainless steel to resist corrosion in harsh environments, ideal for agricultural, marine, or food processing equipment Precision-grade construction (P0-P4 available) ensures consistent operation, reducing wear on connected components and extending your equipment’s service life Sealed with ZZ shields to keep contaminants out, maintaining low friction and quiet performance even in dusty or humid conditions

Spherical Plain Bearing GX10T GX12T GX15T Self-lubricating for Engineering Machinery
Joint Bearing

Spherical Plain Bearing GX10T GX12T GX15T Self-lubricating for Engineering Machinery

Reduce downtime and boost equipment reliability with our Self-lubricating Spherical Plain Bearing GX10T GX12T GX15T, engineered to deliver smooth rotation even in the harshest engineering machinery environments. Crafted from high-grade bearing steel with a steel-on-steel sliding contact design, these bearings eliminate the need for frequent lubrication, cutting maintenance costs while ensuring consistent performance under heavy loads.Precision-machined to 10*30*7.5 mm specifications (GX10T) for seamless integration into hydraulic cylinders, forging machines, and construction equipmentWhole outer ring structure enhances load-bearing capacity, making it ideal for shock absorption and dynamic applications in automation and water conservancy machineryBacked by our ISO 9001-certified manufacturing process, ensuring long service life and low noise operation to keep your machinery running efficiently

Why Saifan Bearing

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.

P0-P4 Grade

Micro-Level Precision

Advanced CNC grinding to ABMA/DIN standards. Dimensional accuracy measured at micron level for consistent performance in high-speed applications.

Z2-Z4 Noise
Chrome Steel

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.

3× Longer Life
ISO 9001:2015

Certified Quality System

ISO 9001:2015 & ISO 14001 certified facility. Professional QC teams conduct 100% dimensional, noise, and vibration testing before shipment.

12-Month Warranty
OEM / ODM

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.

3-5 Day Sample

±0.001mm

Dimensional Tolerance

≤55 dB

Noise Level (Z4)

180°C

Max Operating Temp

50,000h

Design Service Life

Industry Applications

Engineered for Every Industry

From renewable energy to heavy metallurgy -- our bearings are trusted across the most demanding industrial environments worldwide.

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Renewable Energy bearing application

Renewable Energy

Wind & solar power systems

Mineral Processing bearing application

Mineral Processing

Mining & crushing equipment

Marine & Offshore bearing application

Marine & Offshore

Corrosion-resistant solutions

Steel & Metallurgy bearing application

Steel & Metallurgy

High-temp heavy-load bearings

Wind Energy bearing application

Wind Energy

Turbine main shaft bearings

Pulp & Paper bearing application

Pulp & Paper

Wet environment performance

Medical & Lab bearing application

Medical & Lab

Ultra-low noise precision

Heavy Machinery bearing application

Heavy Machinery

Maximum load capacity

Quality Verification

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
Trade / Wholesale

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