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 3309 A/C3 for Heavy Equipment High Load Capacity
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Double Row Angular Contact Ball Bearing 3309 A/C3 for Heavy Equipment High Load Capacity

Ensure smooth, heavy-duty performance for your equipment with the Double Row Angular Contact Ball Bearing 3309 A/C3, engineered to handle high radial and axial loads without compromising precision. Crafted from premium bearing steel with P0-P4 precision ratings, this bearing minimizes vibration and extends machinery uptime—critical for avoiding costly downtime in industrial and construction settings. Double row angular contact design delivers superior load distribution, ideal for heavy equipment like excavators and agricultural machinery Available with steel, copper, or nylon cages to match specific operating conditions, ensuring optimal durability and lubrication retention Complies with international standards for reliable rotation, backed by our 12-month warranty and expert technical support for seamless integration

Double Row Angular Contact Ball Bearing 3201-TN9 for Heavy Duty Concrete Mixer Trucks
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Double Row Angular Contact Ball Bearing 3201-TN9 for Heavy Duty Concrete Mixer Trucks

Keep your heavy duty concrete mixer truck running smoothly with the Double Row Angular Contact Ball Bearing 3201-TN9—designed to tackle the extreme loads and constant rotation of mixing drum operations. This high precision angular bearing minimizes downtime by delivering exceptional radial and axial load support, even under the harsh conditions of construction sites.Engineered with P0-P4 precision ratings and a durable steel cage to ensure consistent performance in heavy machinery applicationsSeparated structure allows for easy maintenance, reducing service time and keeping your fleet on the job longerManufactured from premium bearing steel to withstand the rigors of concrete mixing, ensuring reliable rotation shift after shift

Double Row Angular Contact Ball Bearing 3309 A-2RSH/C3 MT33 Sealed for Auto Parts
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Double Row Angular Contact Ball Bearing 3309 A-2RSH/C3 MT33 Sealed for Auto Parts

Ensure smooth, reliable rotation in your auto parts with the Double Row Angular Contact Ball Bearing 3309 A-2RSH/C3 MT33, designed to deliver exceptional performance under radial and axial loads. This sealed bearing minimizes maintenance needs while keeping contaminants out, perfect for demanding automotive applications where durability and precision are non-negotiable.Engineered with high-grade bearing steel and a precision C3 clearance, ensuring stable operation even in fluctuating temperaturesDouble row angular contact design provides superior rigidity, reducing vibration and extending component lifespanMT33 cage configuration enhances load distribution, making it ideal for transmission systems and wheel assemblies

Double Row Angular Contact Ball Bearing 3310A-2Z/C3 MT33 Shielded for Auto Transmissions
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Double Row Angular Contact Ball Bearing 3310A-2Z/C3 MT33 Shielded for Auto Transmissions

Ensure smooth, reliable performance in auto transmissions with the Double Row Angular Contact Ball Bearing 3310A-2Z/C3 MT33, engineered to handle combined radial and axial loads with precision. Its shielded design (MT33) keeps contaminants out, reducing maintenance needs and extending service life—so you spend less time on replacements and more on keeping vehicles running.Precision grade options (P0-P4) meet strict transmission tolerance requirements, minimizing vibration and noise for a smoother driving experienceHigh-grade bearing steel construction ensures durability under high torque conditions, addressing common wear issues in demanding automotive applicationsDouble row angular contact configuration provides enhanced load capacity, making it ideal for heavy-duty transmission systems

Heavy Duty Double Row Angular Contact Ball Bearing 3308-a for Truck Construction Machinery High Precision P4
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Heavy Duty Double Row Angular Contact Ball Bearing 3308-a for Truck Construction Machinery High Precision P4

Ensure smooth, high-precision rotation for your truck and construction machinery with the 3308-a double row angular contact ball bearing, engineered to deliver reliable performance under heavy loads. Crafted from premium bearing steel and rated P4 precision, this bearing minimizes vibration and extends equipment uptime—perfect for demanding worksite conditions where durability can’t be compromised.Double row angular contact design handles combined radial and axial loads with exceptional stabilityAvailable with steel, copper, or nylon cages to match specific application requirementsComplies with strict quality standards, backed by our 12-month warranty for peace of mindFlexible order options mean you get the right quantity when you need it, keeping your operations on track

Miniature Double Row Angular Contact Ball Bearing for Precision Instruments P0-P4 Accuracy
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Miniature Double Row Angular Contact Ball Bearing for Precision Instruments P0-P4 Accuracy

Ensure consistent precision in your precision instruments with our Miniature Double Row Angular Contact Ball Bearing, engineered to deliver reliable performance from P0 to P4 accuracy grades. This high-precision solution minimizes rotational errors, making it ideal for sensitive equipment where stability directly impacts operational success.Double row angular contact design handles combined radial and axial loads, reducing wear and extending instrument lifespanAvailable with steel, copper, or nylon cages to match specific application requirements for lubrication retention and temperature resistanceManufactured with premium bearing steel for consistent performance, backed by our ISO 9001:2015 quality assurance

Double Row Angular Contact Ball Bearing 3307-TN9 Nylon Cage for Power Tools High Precision
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Double Row Angular Contact Ball Bearing 3307-TN9 Nylon Cage for Power Tools High Precision

Power through tough projects with smoother, longer-lasting performance using our Double Row Angular Contact Ball Bearing 3307-TN9—engineered to reduce vibration and extend tool life in high-torque power tools. The precision-machined nylon cage minimizes friction during rapid rotations, ensuring consistent power transfer even under heavy loads.High-grade bearing steel construction delivers P0-P4 precision for reliable accuracy in drilling, grinding, and cutting applicationsDual-row design handles combined radial and axial loads, eliminating common tool jamming issues in demanding work environmentsPre-lubricated with high-temperature grease to maintain optimal performance in extended-use scenarios

Double Row Angular Contact Ball Bearing 3320-a for Mining Construction Equipment with Steel Cage
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Double Row Angular Contact Ball Bearing 3320-a for Mining Construction Equipment with Steel Cage

Minimize downtime and maximize productivity in mining and construction operations with the Double Row Angular Contact Ball Bearing 3320-a, engineered to deliver exceptional radial and axial load capacity in heavy-duty machinery. Crafted with high-grade bearing steel and a durable steel cage, this precision bearing (available in P0-P4 grades) ensures stable rotation and extended service life even in harsh working conditions.Double row angular contact design provides superior rigidity to handle combined loads, reducing premature wear in excavators and construction equipmentSteel cage construction enhances heat resistance and mechanical strength, critical for maintaining performance in high-torque applicationsComplies with ISO industrial standards, ensuring seamless integration with existing systems and reliable operation shift after shift

Double Row Angular Contact Ball Bearing 3206A-2Z High Precision for Machine Tools
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Double Row Angular Contact Ball Bearing 3206A-2Z High Precision for Machine Tools

Ensure smooth, high-precision rotation for your machine tools with the Double Row Angular Contact Ball Bearing 3206A-2Z, engineered to minimize vibration and extend equipment lifespan even under heavy loads. Crafted from premium bearing steel with P0-P4 precision ratings, this double row angular contact design delivers exceptional radial and axial load capacity—ideal for lathes, milling machines, and CNC equipment where consistent performance is non-negotiable.Steel, copper, or nylon cage options let you tailor friction resistance to your specific operating conditionsSealed 2Z design reduces maintenance needs by keeping lubricants in and contaminants out, cutting downtime for busy workshopsBacked by Saifan’s ISO 9001-certified quality control, ensuring every bearing meets strict dimensional and noise grade standards (Z2-Z4)

Double Row Angular Contact Ball Bearing 3318 A/C3 High Precision for Machine Tool Spindle
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Double Row Angular Contact Ball Bearing 3318 A/C3 High Precision for Machine Tool Spindle

Ensure smooth, precise spindle rotation in your machine tools with the Double Row Angular Contact Ball Bearing 3318 A/C3, engineered to deliver consistent performance even under heavy loads. Crafted from high-grade bearing steel with P0-P4 precision ratings, this double row angular contact design minimizes vibration and extends tool life, addressing the critical need for reliability in high-speed industrial operations. Features separable structure for easy installation and maintenance, a must-have for busy machine shops Available with steel, copper, or nylon cages to match specific application requirements Supports both radial and axial loads, making it ideal for precision spindle applications Backed by Saifan's strict quality control and 12-month warranty for worry-free operation

Double Row Angular Contact Ball Bearing 3304a Tn9 Nylon Cage for High Precision Machine Tools
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Double Row Angular Contact Ball Bearing 3304a Tn9 Nylon Cage for High Precision Machine Tools

Ensure high-precision machine tool operations with consistent accuracy and reduced maintenance downtime using our Double Row Angular Contact Ball Bearing 3304a Tn9. Engineered with a nylon cage for optimal heat dissipation and low friction, this bearing delivers smooth rotation even under heavy radial and axial loads, making it ideal for precision grinding and milling applications.P0-P4 precision grades available to meet strict tolerance requirements, ensuring minimal vibration and extended tool lifeDouble row design provides superior rigidity and axial load capacity compared to single row alternatives, enhancing machining stabilityComplies with ISO industrial standards, backed by our 12-month warranty and responsive technical support for worry-free integration

Double Row Angular Contact Ball Bearing 3303 TN9/C3 Nylon Cage for Compressor Transmission
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Double Row Angular Contact Ball Bearing 3303 TN9/C3 Nylon Cage for Compressor Transmission

Ensure smooth, reliable compressor transmission with the Double Row Angular Contact Ball Bearing 3303 TN9/C3 Nylon Cage—engineered to minimize vibration and extend equipment lifespan in demanding industrial environments. This high-precision bearing (P0-P4 grade) balances radial and axial loads efficiently, thanks to its double-row angular contact design and heat-resistant nylon cage that reduces friction under continuous operation.Optimized for compressor systems: C3 clearance ensures thermal expansion accommodation, preventing seizing during temperature fluctuationsDurable bearing steel construction meets ISO standards, delivering consistent performance even in heavy-duty cyclesSeamless integration with your setup—supports both standard and custom specifications to keep your production line running without interruptions

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