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
Double Row Angular Contact Ball Bearing 3210-a P5 Precision 10-85mm for Machinery
Famous Brand Bearing

Double Row Angular Contact Ball Bearing 3210-a P5 Precision 10-85mm for Machinery

Ensure smooth, precise machinery operation with the Double Row Angular Contact Ball Bearing 3210-a P5 Precision 10-85mm—engineered to minimize vibration and extend equipment lifespan in industrial applications. This high-performance bearing handles both radial and axial loads with P5-grade accuracy, perfect for machinery requiring consistent rotation under varying stress.Features a double row angular contact design for enhanced rigidity and load distribution, ideal for heavy-duty equipmentConstructed with high-grade bearing steel and precision-machined steel cage for reliable performance in demanding conditions10mm inner diameter, 85mm outer diameter, and optimized lubrication system ensure reduced maintenance needs and long service life

Double Row Angular Contact Ball Bearing 3306 a-2RS1 Tn9/Mt33 Sealed for Electric Motor P0-P6 Precision
Famous Brand Bearing

Double Row Angular Contact Ball Bearing 3306 a-2RS1 Tn9/Mt33 Sealed for Electric Motor P0-P6 Precision

Ensure smooth, long-lasting performance for your electric motor with the Double Row Angular Contact Ball Bearing 3306 a-2RS1 Tn9/Mt33, designed to minimize downtime and maximize efficiency. This sealed bearing delivers P0-P6 precision, balancing radial and axial loads to reduce vibration—critical for maintaining motor integrity in demanding industrial settings. 2RS1 sealing keeps contaminants out, extending service life even in dusty or humid environments Tn9/Mt33 cage design ensures stable rotation at high speeds, ideal for continuous-duty electric motors Constructed with high-grade bearing steel for reliable performance under varying load conditions

Double Row Angular Contact Ball Bearing 3211-TN9 P0-P6 Precision for Industrial Machinery
Famous Brand Bearing

Double Row Angular Contact Ball Bearing 3211-TN9 P0-P6 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with the Double Row Angular Contact Ball Bearing 3211-TN9, engineered to minimize downtime and enhance equipment longevity. This high-performance bearing handles combined radial and axial loads with ease, thanks to its P0-P6 precision rating and double-row design—ideal for machine tools, textile equipment, and printing machinery where stability under variable stress is non-negotiable.Constructed with premium bearing steel and available with steel, copper, or nylon cages to suit specific operational demands, ensuring consistent performance even in high-speed applicationsBacked by Saifan’s strict quality control and 12-month warranty, delivering reliable rotation you can trust for critical industrial processes

Double Row Angular Contact Ball Bearing 3213 A-2Z/C3 P4 High Rigidity for Industrial Machinery
Famous Brand Bearing

Double Row Angular Contact Ball Bearing 3213 A-2Z/C3 P4 High Rigidity for Industrial Machinery

Ensure smooth, high-precision operation in industrial machinery with the Double Row Angular Contact Ball Bearing 3213 A-2Z/C3 P4—engineered to deliver exceptional rigidity and reduce maintenance downtime. This P4 precision bearing handles combined radial and axial loads with stability, making it ideal for machine tools, textile equipment, and printing machinery where consistent performance under heavy stress is non-negotiable.High-grade bearing steel construction and P4 precision grade ensure minimal vibration and extended service life, addressing the need for reliable rotation in critical industrial applications.Double row angular contact design with 2Z metal shields prevents contamination, while C3 clearance optimizes heat dissipation during high-speed operations—details that matter to professionals seeking long-term equipment efficiency.

Double Row Angular Contact Ball Bearing 3317-a for Automobile Heavy Machinery High Precision P0-P4
Famous Brand Bearing

Double Row Angular Contact Ball Bearing 3317-a for Automobile Heavy Machinery High Precision P0-P4

Ensure smooth, reliable rotation in your automobile and heavy machinery with the Double Row Angular Contact Ball Bearing 3317-a, engineered for high precision (P0-P4) to minimize downtime and maximize equipment lifespan. This bearing handles combined radial and axial loads effortlessly, thanks to its angular contact design and durable bearing steel construction—ideal for demanding industrial applications where stability under heavy stress is non-negotiable.Precision-grade performance (P0-P4) ensures consistent operation even in high-speed or high-load scenariosDouble row structure with steel, copper, or nylon cage options for tailored durability and noise control (Z2-Z4 grade available)Seamless integration into automotive传动系统 and heavy machinery, backed by Saifan's ISO 9001:2015 quality certification and 12-month warranty

Double Row Angular Contact Ball Bearing 3212-TN9 P0-P4 Precision for Industrial Machinery
Famous Brand Bearing

Double Row Angular Contact Ball Bearing 3212-TN9 P0-P4 Precision for Industrial Machinery

Boost machinery performance with the Double Row Angular Contact Ball Bearing 3212-TN9—engineered to deliver P0-P4 precision for smooth, reliable rotation in industrial equipment. This bearing minimizes vibration and extends service life, ensuring your operations run without costly downtime.Double row design handles combined radial and axial loads, ideal for high-torque machinery like reducers and printing pressesAvailable with steel, copper, or nylon cages to match specific application needs, from high-speed to heavy-load scenariosMeets ISO industrial standards, backed by Saifan's strict quality control for consistent performance batch after batch

Heavy Duty Double Row Angular Contact Ball Bearing 3314-a for Truck Heavy Equipment with P4 Precision
Famous Brand Bearing

Heavy Duty Double Row Angular Contact Ball Bearing 3314-a for Truck Heavy Equipment with P4 Precision

Ensure smooth, long-lasting performance for your truck or heavy equipment with the Heavy Duty Double Row Angular Contact Ball Bearing 3314-a, engineered to deliver P4 precision in high-stress applications. This robust bearing minimizes downtime by handling both radial and axial loads with exceptional stability, thanks to its double row angular contact design and high-grade bearing steel construction.Optimized for heavy-duty use: Features a steel cage for enhanced durability under extreme conditions, ensuring reliable rotation even in demanding truck and equipment operationsPrecision craftsmanship meets ISO standards, reducing vibration and extending service life for critical machinery components

Double Row Angular Contact Ball Bearing 3312 A/C3 High Precision for Machine Tool Spindle
Famous Brand Bearing

Double Row Angular Contact Ball Bearing 3312 A/C3 High Precision for Machine Tool Spindle

Ensure your machine tool spindle operates with unwavering precision and reduced vibration using our Double Row Angular Contact Ball Bearing 3312 A/C3. Engineered to deliver P0-P4 precision grades and Z2-Z4 noise control, this bearing minimizes downtime and extends spindle life—critical for maintaining consistent production quality in high-speed machining environments.Double-row angular contact design handles combined radial and axial loads, ideal for heavy-duty spindle applicationsAvailable with steel, copper, or nylon cages to match specific temperature and speed requirementsPrecision-machined from high-grade bearing steel, ensuring stable performance even under continuous operationBacked by our 12-month warranty and technical support team for seamless integration into your production line

Double Row Angular Contact Ball Bearing 3310-TN9 Nylon Cage for Machinery Precision P0-P4
Famous Brand Bearing

Double Row Angular Contact Ball Bearing 3310-TN9 Nylon Cage for Machinery Precision P0-P4

Ensure smooth, precise machinery operation with the Double Row Angular Contact Ball Bearing 3310-TN9—engineered to deliver reliable rotation and extended service life for industrial equipment. This P0-P4 precision bearing features a nylon cage (TN9) that reduces friction and heat buildup, making it ideal for high-speed applications where stability matters most.Double row design handles radial and axial loads simultaneously, eliminating the need for paired single-row bearingsConstructed with high-grade bearing steel for consistent performance under heavy workloadsMeets ISO industrial standards, ensuring compatibility with machinery across automotive, agricultural, and new energy sectorsBacked by Saifan’s 12-month warranty and technical support, so you can focus on production, not maintenance

B71932-E-T-P4s-UL FAG Textile Spinning Machine Spindle Bearing with Nylon Cage
FAG Bearings

B71932-E-T-P4s-UL FAG Textile Spinning Machine Spindle Bearing with Nylon Cage

Minimize textile machine downtime with the B71932-E-T-P4s-UL FAG Textile Spinning Machine Spindle Bearing—engineered to deliver ultra-precise rotation and extended service life in high-speed spinning operations. Crafted with a 15° contact angle and durable nylon cage, this P4 precision spindle bearing reduces vibration and heat buildup, ensuring consistent yarn quality even under continuous production demands.Designed for textile spinning machines, the FAG spindle bearing maintains tight tolerance (P4s class) for stable performance across long production runsSteel construction with specialized heat treatment resists wear from fiber dust and lubricant degradation, addressing common maintenance headaches in textile environmentsDirect replacement for original FAG components, ensuring seamless integration with existing spindle assemblies and reducing setup time

Car Steering Gear Four-Point Contact Ball Bearing B706-C-T-P4s High Precision Grade
Famous Brand Bearing

Car Steering Gear Four-Point Contact Ball Bearing B706-C-T-P4s High Precision Grade

Ensure smooth, precise steering performance with the Car Steering Gear Four-Point Contact Ball Bearing B706-C-T-P4s, engineered to eliminate play and enhance handling responsiveness in automotive steering systems. This high precision grade bearing (P4s) delivers consistent rotation under variable loads, addressing the critical need for reliable component performance in demanding driving conditions.Single row four-point contact design minimizes axial clearance, reducing steering wheel vibration and improving driver control0.100kg lightweight construction optimizes steering system efficiency without compromising durabilityComplies with strict quality standards, ensuring long service life and stable performance in both standard and custom automotive applications

83A693 Automobile Air Conditioning Compressor Bearing for Isuzu Mazda 30bg4s13-2dst2 – Low Noise Long Life 30x47x18/21mm
Famous Brand Bearing

83A693 Automobile Air Conditioning Compressor Bearing for Isuzu Mazda 30bg4s13-2dst2 – Low Noise Long Life 30x47x18/21mm

Keep your Isuzu or Mazda’s AC running smoothly with the 83A693 Automobile Air Conditioning Compressor Bearing—engineered to deliver low noise operation and extended service life, even in demanding conditions. This precision radial bearing (30x47x18/21mm) ensures reliable performance, reducing the hassle of unexpected breakdowns and costly replacements.Double-row design and high-grade bearing steel construction for enhanced durability and radial load capacityAvailable in P0-P2 precision grades to meet strict automotive standards, ensuring a perfect fit for 30BG4S13-2DST2 compressorsGrease or oil lubrication options for versatile maintenance, backed by Saifan’s ISO-certified quality control for consistent reliability

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