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

256 products found

Factory Direct · 1 pc MOQ · 3-5 Day Sample
SJTP0104 Wheel Bearing 9025287/24106213 – Premium Auto Ball Bearing
Auto Bearing

SJTP0104 Wheel Bearing 9025287/24106213 – Premium Auto Ball Bearing

Basic Info. Bore Diameter (d)25 mm Outer Diameter (D)52 mm Width (B)42 mm BrandNSK CertificationISO9001 ABSWith ABS Introduction High-precision wheel hub bearing designed for Toyota vehicles. Features long life, high speed, low noise, and grease/oil lubrication. Available in precision grades P0–P2 and vibration classes Z1V1–Z3V3. Made in China, certified ISO9001, with rich stock and OEM/ODM service.

DAC124000183ZZ DAC25520037ZZ DAC25560032ZZ High-Speed Auto Bearings – Factory Direct
Auto Bearing

DAC124000183ZZ DAC25520037ZZ DAC25560032ZZ High-Speed Auto Bearings – Factory Direct

Basic Info. Inner Diameter- Outer Diameter- Thickness- TypeWheel Hub Bearing MaterialStainless Steel BrandNSK Introduction High-precision wheel hub bearing with P5 tolerance and C3 clearance, made of stainless steel for durability and corrosion resistance. Certified to ISO9001, suitable for automotive OEM/ODM applications. Compatible with grease or oil lubrication. Supports ABS-free configurations.

N203 NJ203 NU203 NJ23ETN1 Cylindrical Roller Bearing – High Quality, Low Price
Cylindrical Roller Bearing

N203 NJ203 NU203 NJ23ETN1 Cylindrical Roller Bearing – High Quality, Low Price

Basic Info. Bore Size15–90 mm Outer Dimension60–115 mm Thickness12 mm StructureCylindrical MaterialBearing Steel LubricationGrease or Oil Introduction Cylindrical roller bearing 307 (model N203/NJ203/NU203/NJ23ETN1), made of high-grade bearing steel, designed for radial load applications. Compact size (17×40×12 mm), precision-rated (P0–P2), vibration-controlled (Z1V1–Z3V3), and suitable for OEM/ODM use.

High Precision Tapered Roller Bearing – Single Row Front Wheel Spare Part
Cylindrical Roller Bearing

High Precision Tapered Roller Bearing – Single Row Front Wheel Spare Part

Basic Info. Bore Size15–90 mm Specification50×90×55 mm MaterialBearing Steel Load DirectionRadial Bearing TypeTaper Roller Bearing OriginChina High-precision taper roller bearing made of bearing steel, suitable for radial load applications. Features dimensions 50×90×55 mm, bore range 15–90 mm, and available in precision grades P0–P2. Manufactured in China with OEM/ODM support.

Large Sizse 239/560ca & 239/600ca Spherical Roller Bearings – High-Load, Precision-Machined
Spherical Roller Bearing

Large Sizse 239/560ca & 239/600ca Spherical Roller Bearings – High-Load, Precision-Machined

Basic Info. Model NO.239/560 232/710 Ca/W33 232/710 Cak/W33 LubricationGrease or Oil Precision RatingP0 P6 P5 P4 P2 VibrationZ1V1 Z2V2 Z3V3 OriginChina HS Code8482200000 Description High-performance spherical roller bearings designed for heavy-duty applications. Precision-rated (P0–P2), vibration-graded (Z1V1–Z3V3), and suitable for grease or oil lubrication. Manufactured in China under strict OEM/ODM standards.

240/241 Series Heavy-Duty Self-Aligning Roller Bearing for Mining Machinery
Spherical Roller Bearing

240/241 Series Heavy-Duty Self-Aligning Roller Bearing for Mining Machinery

Basic Info Inner Diameter100 mm Outer Diameter150 mm Thickness37 mm Model NO.23020ca/W33, 23020cc/W33, 24064 TypeSpherical Roller Bearing, Double Row, Radial, Unseparated Overview High-precision spherical roller bearing made of bearing steel, suitable for heavy radial loads and misalignment. Features P0–P2 precision ratings, C0–C4 clearance options, and OEM/ODM service. Origin: China. HS Code: 8482300000.

Bearings Manufacturing: Auto & Motorcycle Parts, Insulation, Pillow Block, Roller & Ball Bearings
Cylindrical Roller Bearing

Bearings Manufacturing: Auto & Motorcycle Parts, Insulation, Pillow Block, Roller & Ball Bearings

Basic Specifications Inner Diameter40 mm Outer Diameter80 mm Thickness18 mm MaterialBearing Steel TypeCylindrical Roller Bearing Seal TypeOpen Product Overview This precision cylindrical roller bearing features robust bearing steel construction, open design for easy maintenance, and high radial load capacity. Ideal for industrial OEM/ODM applications, it complies with P0–P2 precision grades and is manufactured in China.

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