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
Deep Groove Ball Bearing 6903 Zz 2RS 25x47x12mm P0-P4 Precision for Industrial Machinery
Ball Bearing

Deep Groove Ball Bearing 6903 Zz 2RS 25x47x12mm P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation for your industrial machinery with the Deep Groove Ball Bearing 6903 Zz 2RS 25x47x12mm—engineered to deliver consistent performance even in high-demand operations. Crafted from premium bearing steel with P0-P4 precision grades and Z1V1-Z3V3 vibration control, this radial bearing minimizes downtime by reducing friction and noise, keeping your equipment running longer between maintenance checks.25x47x12mm dimensions with single-row, non-separated design for reliable radial load handlingZz/2RS open seals prevent contamination, paired with grease/oil lubrication options for versatile industrial useBacked by ISO 9001-certified manufacturing, ensuring stability that meets global industrial standards

Needle Roller Bearing NA4914 NA4915 NA4916 70x100x30mm P0-P4 Precision for Industrial Machinery
Needle Roller Bearings

Needle Roller Bearing NA4914 NA4915 NA4916 70x100x30mm P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with this Needle Roller Bearing NA4914 NA4915 NA4916 (70x100x30mm). Crafted from high-grade bearing steel and available in P0-P4 precision grades, it delivers reliable performance under radial loads, reducing downtime and extending equipment lifespan.Engineered without inner/outer rings for space-saving integration in tight mechanical assembliesSupports both grease and oil lubrication to adapt to your specific operating conditionsBacked by ISO-certified manufacturing and 12-month warranty for long-term peace of mindSample orders ship in 3-5 days, with bulk production ready in 5-15 days to keep your operations on schedule

Radial Deep Groove Ball Bearing 6203 45x68x12mm for Industrial Machinery with Bearing Steel Construction
Ball Bearing

Radial Deep Groove Ball Bearing 6203 45x68x12mm for Industrial Machinery with Bearing Steel Construction

Ensure smooth, long-lasting operation for your industrial machinery with this Radial Deep Groove Ball Bearing 6203—engineered to deliver reliable performance under continuous loads. Crafted from high-grade bearing steel, its 45x68x12mm precision dimensions (0° contact angle) minimize vibration and wear, reducing unplanned downtime and maintenance costs.Single-row design optimized for radial load handling, ideal for machine tools, conveyors, and textile equipmentAdheres to strict ISO standards for consistent quality, backed by our 12-month warranty for peace of mindFlexible ordering with 1-piece MOQ and fast 3-5 day sample delivery, perfect for both urgent repairs and bulk production needs

Wheel Hub Bearing DAC43790041/38 25x52x42mm Low Noise Long Life for Automotive Applications
Automotive Bearing

Wheel Hub Bearing DAC43790041/38 25x52x42mm Low Noise Long Life for Automotive Applications

Experience smoother rides and longer-lasting performance with the Wheel Hub Bearing DAC43790041/38, engineered to reduce noise and extend service life in automotive applications. Crafted to precise 25x52x42mm dimensions, this double-row radial bearing ensures stable rotation under varying loads, addressing common concerns about premature wear and operational disruptions.Features P0-P4 precision grades and Z1V1-Z3V3 vibration control for consistent, quiet operationConstructed with high-grade bearing steel to withstand harsh automotive conditionsUnseparated design simplifies installation and maintenance, saving time for mechanics and DIY enthusiastsBacked by Saifan’s strict quality control and ISO certifications, ensuring reliability you can trust in every turn

BDL Insert Bearings UC313-UC316 Pillow Block High Load Deep Groove Raceway
Housing Bearings

BDL Insert Bearings UC313-UC316 Pillow Block High Load Deep Groove Raceway

Keep your industrial machinery running smoothly with BDL Insert Bearings UC313-UC316 Pillow Block High Load Deep Groove Raceway—engineered to deliver reliable rotation even under heavy loads, so you can minimize downtime and maximize productivity. The deep groove raceway design ensures consistent performance, while precision ratings from P0 to P4 meet the strictest operational demands, addressing the need for stable, long-lasting components in high-stress applications.High load capacity paired with single-row construction for optimal durability in machinery like conveyors and agricultural equipmentGrease or oil lubrication flexibility allows customization to your specific operating conditionsAvailable in sizes from 35mm to 400mm bearing blocks, with rich stock ensuring fast shipment to keep your production on track

Fyh Ukp Ucp Insert Bearings 205-214 High Load Deep Groove Pillow Block Bearings
Housing Bearings

Fyh Ukp Ucp Insert Bearings 205-214 High Load Deep Groove Pillow Block Bearings

Ensure smooth, heavy-duty rotation in industrial machinery with our High Load Deep Groove Pillow Block Bearings—engineered to minimize downtime and maximize productivity. Crafted from premium bearing steel with deep groove raceways, these FYH UKP UCP insert bearings (sizes 205-214) deliver exceptional load capacity for demanding applications like agricultural equipment and construction machinery.P0-P4 precision ratings and Z1V1-Z3V3 vibration control ensure quiet, reliable performance even under extreme conditionsFlexible lubrication options (grease or oil) adapt to your maintenance needs, reducing long-term operational costsRich stock availability means fast 3-5 day sample lead times, keeping your production on schedule

Miniature Deep Groove Ball Bearing 694-699 GCr15 Steel for Motors & Air Conditioners
Ball Bearing

Miniature Deep Groove Ball Bearing 694-699 GCr15 Steel for Motors & Air Conditioners

Ensure smooth, quiet operation for your motors and air conditioners with our Miniature Deep Groove Ball Bearing—engineered to deliver reliable performance even in tight spaces. Crafted from high-grade GCr15 steel and available in 694-699 series, these bearings balance precision (P0-P4) and low noise (Z2V2) to minimize vibrations and extend equipment lifespan, addressing the need for consistent quality in high-demand applications.Single-row radial design with ZZ/2RS/Open seals options for versatile protection against dust and moistureGrease or oil lubrication flexibility to match specific operating conditions, ensuring optimal friction reductionBacked by Saifan’s ISO 9001-certified production and 12-month warranty, so you can trust every rotation

Self-Aligning Roller Bearing 24130-24138CAME4 P0-P4 Precision for Industrial Machinery
Roller Bearing

Self-Aligning Roller Bearing 24130-24138CAME4 P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with our Self-Aligning Roller Bearing 24130-24138CAME4, engineered to minimize downtime and maximize operational efficiency. Crafted from high-grade bearing steel with P0-P4 precision ratings, this double-row radial bearing adapts to shaft misalignment effortlessly, reducing wear on connected components and extending equipment lifespan. Designed for heavy radial loads with C0/C3/C4 clearance options to suit specific machinery requirements Unseparated structure ensures easy installation and maintenance, perfect for industrial environments where reliability is non-negotiable Backed by our ISO 9001-certified manufacturing process, delivering consistent performance even in demanding working conditions

High Precision 3201 A-2ZTN9 Angular Contact Ball Bearing for Automobile and Rolling Mill
Ball Bearing

High Precision 3201 A-2ZTN9 Angular Contact Ball Bearing for Automobile and Rolling Mill

Ensure smooth, precise rotation in your automobile or rolling mill with the High Precision 3201 A-2ZTN9 Angular Contact Ball Bearing—engineered to minimize downtime and enhance machinery longevity. Crafted from premium bearing steel with P0-P6 precision ratings and Z1V1-Z3V3 vibration control, this 10x30x14.3 mm single-row bearing delivers consistent performance under radial loads, even in demanding industrial environments.Unseparated design maintains alignment during operation, reducing maintenance needs for busy workshopsCompatible with grease or oil lubrication to adapt to your specific application requirementsIn-stock availability ensures quick fulfillment, so you can keep production on schedule without delays

Needle Roller Bearing RNA4900X2A 14x22x16mm P0-P4 Precision for Industrial Machinery
Needle Roller Bearings

Needle Roller Bearing RNA4900X2A 14x22x16mm P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with the Needle Roller Bearing RNA4900X2A (14x22x16mm). Crafted from high-grade bearing steel and available in P0-P4 precision grades, this radial bearing delivers reliable performance under heavy loads, reducing downtime and enhancing equipment longevity.Designed without inner/outer rings for space-saving integration in compact mechanical assembliesSupports both grease and oil lubrication to adapt to your specific operating conditionsBacked by Saifan’s strict quality control and 12-month warranty for peace of mindFlexible MOQ and 3-7 day delivery ensure you get the bearings you need, when you need them

High Precision Cylindrical Roller Bearing NN3088K for Industrial Machinery with P4 Precision Rating
Roller Bearing

High Precision Cylindrical Roller Bearing NN3088K for Industrial Machinery with P4 Precision Rating

Ensure smooth, precise rotation in your industrial machinery with our High Precision Cylindrical Roller Bearing NN3088K, engineered to deliver P4 precision for reliable performance under heavy loads. Crafted from high-grade bearing steel with a separated structure, this radial bearing minimizes vibration (V1-V4 grades) and ensures long service life, addressing the need for consistent operation in demanding manufacturing environments.Optimized for industrial machinery with outer dimensions of 440*650*157 mm, supporting radial loads with exceptional stabilityOpen design allows flexible lubrication (oil, grease, dry) to adapt to your specific operational needsBacked by our ISO 9001:2015 certified quality control, ensuring every unit meets strict international standards for precision and durability

Deep Groove Ball Bearing 625 626 627 628 629 for Textile Instruments with P0-P2 Precision
Ball Bearing

Deep Groove Ball Bearing 625 626 627 628 629 for Textile Instruments with P0-P2 Precision

Ensure smooth, precise operation of your textile instruments with our Deep Groove Ball Bearing series (625, 626, 627, 628, 629), engineered to deliver consistent performance even in high-speed weaving environments. Crafted from premium bearing steel with P0-P2 precision ratings and Z1V1-Z3V3 vibration control, these bearings minimize downtime by reducing wear on critical machine components.Available in Zz, 2RS, and Open seal options to suit varying textile machinery lubrication needsSingle-row radial design optimized for the radial loads common in spinning and weaving equipmentBacked by our ISO 9001-certified manufacturing process for reliable quality batch after batch

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.

GET INDUSTRY SPEC →
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.

📦

Full FCL Support

20GP / 40HQ containers

🏷️

OEM Branding

Custom packaging & labels

⏱️

5-15 Day Lead

Bulk production timeline

💳

T/T · L/C · Alibaba

Flexible payment terms