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
B71900-E-T-P4s-Um FAG Ultra Small Spindle Bearing P4 Precision for Micro Machinery Applications
FAG Bearings

B71900-E-T-P4s-Um FAG Ultra Small Spindle Bearing P4 Precision for Micro Machinery Applications

Ensure smooth, precise rotation in your micro machinery with the FAG B71900-E-T-P4s-Um Ultra Small Spindle Bearing, engineered to deliver P4 precision for critical applications. This high-performance bearing minimizes vibration and extends equipment lifespan, addressing the need for reliable components in compact systems where even minor tolerance variations can disrupt operations.Features a 15° contact angle (E design) optimized for axial load handling in micro-scale mechanisms, ensuring stable performance under varying speedsConstructed with premium steel for durability, meeting ISO standards to reduce downtime and maintenance costs for industrial machinery manufacturersSupplied in original FAG packaging, backed by Saifan Bearings' strict quality control and 12-month warranty for peace of mind in your supply chain

B7011-C-T-P4s-UL CNC Spindle Bearing for Router Machines High Precision Angular Contact
FAG Bearings

B7011-C-T-P4s-UL CNC Spindle Bearing for Router Machines High Precision Angular Contact

Ensure smooth, high-precision routing operations with the B7011-C-T-P4s-UL CNC Spindle Bearing, engineered to minimize vibration and extend machine uptime. This angular contact bearing delivers P4s precision—critical for maintaining tight tolerances in router applications—while its 15° contact angle optimizes load distribution during high-speed rotations.Constructed with premium steel for durability in continuous industrial use, reducing the need for frequent replacementsUL certification ensures compliance with safety standards, offering peace of mind for professional setupsSeamless integration with router spindles, supporting consistent performance even under heavy workloads

High Precision B7021-E-T-P4s-UL Angular Contact Ball Bearing for Spindle Applications
FAG Bearings

High Precision B7021-E-T-P4s-UL Angular Contact Ball Bearing for Spindle Applications

Ensure unwavering precision and minimized vibration in your spindle applications with our High Precision Angular Contact Ball Bearing, engineered to elevate machining accuracy and extend equipment lifespan. This B7021-E-T-P4s-UL model features a 25° contact angle (E design) and P4s precision grade, delivering exceptional radial and axial load capacity for high-speed spindle operations in machine tools and industrial machinery.Crafted with premium chrome steel for stable performance under rigorous working conditions, reducing maintenance downtimeSeamless integration with ISO standards ensures compatibility with existing setups, streamlining replacement and upgrade processesBacked by our 12-month warranty and technical support team, providing confidence in long-term reliability

HS71911-C-T-P4s-UL Angular Contact Ball Bearing for CNC Machine Spindle with P4 Precision
FAG Bearings

HS71911-C-T-P4s-UL Angular Contact Ball Bearing for CNC Machine Spindle with P4 Precision

Ensure your CNC machine spindle operates with uncompromising precision and reliability using the HS71911-C-T-P4s-UL Angular Contact Ball Bearing. Engineered for high-performance machine tool spindles, this P4 precision bearing delivers exceptional rotational accuracy, minimizing vibration and extending tool life even under heavy cutting loads. Its 15-degree contact angle optimizes axial load capacity, making it ideal for high-speed machining applications where stability is non-negotiable.P4 precision grade ensures tight dimensional tolerances for consistent spindle performancePremium steel construction and advanced heat treatment enhance durability in continuous operationUL designation indicates optimized internal geometry for reduced friction and improved lubrication retention

Angular Contact Ball Bearing B7018-E-T-P4s-UL High Precision Spindle for Industrial Machinery
FAG Bearings

Angular Contact Ball Bearing B7018-E-T-P4s-UL High Precision Spindle for Industrial Machinery

Ensure your industrial machinery operates with unmatched precision and reliability using our B7018-E-T-P4s-UL Angular Contact Ball Bearing—engineered to eliminate vibration issues and extend spindle service life in high-speed applications. This high precision spindle bearing, crafted to ISO P4/P4s standards, delivers consistent rotational accuracy (15°/25° contact angle options) that meets the demands of machine tools, textile equipment, and precision manufacturing lines.Premium steel construction ensures stable performance under heavy loads, addressing common concerns about durability in industrial environmentsUL certification and precision grade engineering reduce maintenance downtime, letting you focus on production rather than equipment failuresCompatible with FAG specifications for seamless integration, backed by our 12-month warranty and responsive technical support

Super Precision Angular Contact Ball Spindle Bearing B7013-C-T-P4s-Um for Machine Tools
FAG Bearings

Super Precision Angular Contact Ball Spindle Bearing B7013-C-T-P4s-Um for Machine Tools

Ensure uncompromising rotational precision for your machine tool spindle with the Super Precision Angular Contact Ball Spindle Bearing B7013-C-T-P4s-Um. Engineered to deliver P4s-grade accuracy and a 15° contact angle (C), this bearing minimizes vibration and maximizes rigidity, directly addressing the critical need for stable performance in high-speed machining operations.High-grade steel construction ensures extended service life under heavy loads, reducing downtime and maintenance costsOptimized for machine tool spindles, providing the precise axial and radial support required for tight-tolerance manufacturingComplies with ISO standards, guaranteeing compatibility with global machinery setups and easing integration into existing production lines

High Precision FAG B71903-C-T-P4s-UL Spindle Bearing for CNC Machine Tools
FAG Bearings

High Precision FAG B71903-C-T-P4s-UL Spindle Bearing for CNC Machine Tools

Ensure your CNC machine tools deliver uncompromising precision and smooth operation with the High Precision FAG B71903-C-T-P4s-UL Spindle Bearing, engineered to minimize vibration and extend tool life in high-speed applications. This FAG spindle bearing features a 15° contact angle (C) and P4s precision grade, critical for maintaining tight tolerances in demanding machining tasks—exactly what you need to reduce downtime and enhance workpiece quality.P4s precision rating ensures exceptional rotational accuracy, ideal for CNC spindle systems requiring consistent performance15° contact angle design optimizes load distribution, enhancing stability during heavy cutting operationsConstructed with high-grade steel for durability, backed by Saifan Bearings' strict quality control and ISO-certified manufacturing

Standard Size Double Row Cylindrical Roller Bearing Nu208-Ec P-C3 for Textile Industry
Famous Brand Bearing

Standard Size Double Row Cylindrical Roller Bearing Nu208-Ec P-C3 for Textile Industry

Ensure smooth, high-precision rotation for your textile machinery with the Standard Size Double Row Cylindrical Roller Bearing Nu208-Ec P-C3, engineered to minimize downtime and enhance production efficiency. This bearing delivers exceptional radial load capacity and stability, thanks to its separated design and C3 clearance—critical for handling the continuous, heavy-duty demands of textile manufacturing.Hardened to 60-64 HRC for long service life, reducing replacement frequency and maintenance costsAvailable with brass or steel cages to suit specific operational needs, ensuring optimal performance in varying textile machine environmentsComplies with industry standards, offering reliable fit and function for seamless integration into existing equipment

Double Row Cylindrical Roller Bearing Nu215-Ec for Crusher with Enhanced Durability C3 Clearance
Famous Brand Bearing

Double Row Cylindrical Roller Bearing Nu215-Ec for Crusher with Enhanced Durability C3 Clearance

Reduce crusher downtime and boost operational efficiency with the Double Row Cylindrical Roller Bearing Nu215-Ec, engineered for enhanced durability in heavy-duty crushing applications. Its C3 clearance design accommodates thermal expansion during continuous operation, ensuring stable performance even under extreme loads.High-grade bearing steel construction (60-64 HRC hardness) resists wear and extends service life in abrasive environmentsSeparated inner/outer rings allow easy installation and maintenance, minimizing equipment downtimeZ2V2 vibration grade ensures smooth rotation, reducing noise and improving overall machine stability

Double Row Cylindrical Roller Bearing Nu216 Ec J/C3 for Ship Equipment with C3 Clearance
Famous Brand Bearing

Double Row Cylindrical Roller Bearing Nu216 Ec J/C3 for Ship Equipment with C3 Clearance

Ensure smooth, reliable operation of your ship equipment with the Double Row Cylindrical Roller Bearing Nu216 Ec J/C3, engineered to deliver consistent performance even under heavy marine loads. This C3 clearance bearing minimizes vibration and heat buildup, addressing the critical need for durability in demanding maritime environments where equipment reliability directly impacts operational efficiency.Precision-crafted with high-grade bearing steel (60-64 HRC hardness) for extended service life and resistance to corrosionSeparated design allows for easy installation and maintenance, reducing downtime during critical ship operationsBrass or steel cage options provide stable roller guidance, ensuring optimal load distribution in axial and radial applications

Double Row Cylindrical Roller Bearing NUP2309 EC P for Packaging Machinery with Z3V3 Vibration Grade
Famous Brand Bearing

Double Row Cylindrical Roller Bearing NUP2309 EC P for Packaging Machinery with Z3V3 Vibration Grade

Ensure smooth, precise operation for your packaging machinery with the Double Row Cylindrical Roller Bearing NUP2309 EC P. Engineered with Z3V3 vibration grade, this bearing minimizes noise and vibration, reducing wear on critical components and extending equipment uptime—perfect for high-speed production lines where consistency matters most.Constructed from premium bearing steel (60-64 HRC hardness) for exceptional durability under continuous loadSeparated design allows easy installation and maintenance, saving valuable downtime during repairsAvailable clearance grades (C0/C2/C3/C4/C5) ensure optimal performance in diverse packaging machinery configurations

High Rigidity Double Row Cylindrical Roller Bearing for Lathe Main Shaft, NN3017 TN9/SP W33
Famous Brand Bearing

High Rigidity Double Row Cylindrical Roller Bearing for Lathe Main Shaft, NN3017 TN9/SP W33

Ensure your lathe main shaft operates with unwavering precision and reduced downtime using our High Rigidity Double Row Cylindrical Roller Bearing. Engineered to minimize vibration and enhance load distribution, this NN3017 TN9/SP W33 model delivers the stability needed for high-speed machining, directly addressing the challenge of maintaining consistent performance in demanding industrial environments.Features a brass cage and C0-C5 clearance options for tailored precision, ensuring optimal fit for lathe主轴 applicationsHardness rated at 60-64 HRC for extended service life, reducing the need for frequent replacementsNon-aligning design with separated inner/outer rings allows for easy installation and maintenance, streamlining your workflow

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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Flexible payment terms