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
Si5t/K Genuine Rod End Bearing – High-Precision Plain Joint Bearing
Plain Bearing

Si5t/K Genuine Rod End Bearing – High-Precision Plain Joint Bearing

Basic Info. Inner Diameter5 mm Outer Diameter21 mm Thickness6 mm Model No.SI5T/K Bearing TypeSpherical Plain Bearing LubricationHydrodynamic Bearing, Thin Film Lubrication High-precision spherical plain bearing with steel-on-steel sliding contact, self-lubricating bushing, and trusted radial & thrust load capacity. Designed for low noise, long life, and OEM/ODM applications. Made in China, neutral packed in carton pallets.

Bore Female RH Rod End Joint Bearing – High-Precision Auto Parts
Plain Bearing

Bore Female RH Rod End Joint Bearing – High-Precision Auto Parts

Basic Info. Inner Diameter100 mm Outer Diameter150 mm Thickness90 mm Model NO.Phs 8r Bearing TypeSpherical Plain Bearing LubricationHydrodynamic Bearing, Thin Film Lubrication High-precision spherical plain bearing with steel-on-steel sliding contact, self-lubricating bushing, and OEM/ODM service. Designed for trust and radial loads, featuring low noise, long life, and compact 100×150×90 mm dimensions. Made in China under BDL trademark.

Si8t/K Phsa8 RH Female Thread Metric Rod End Bearing
Plain Bearing

Si8t/K Phsa8 RH Female Thread Metric Rod End Bearing

Basic Info Inner Diameter100 mm Outer Diameter150 mm Thickness90 mm Model NO.SI8T/K PHSA8 Bearing TypeSpherical Plain Bearing LubricationHydrodynamic, Thin Film Introduction High-precision spherical plain bearing with steel-on-steel sliding contact, self-lubricating bushing, and hydrodynamic lubrication. Features low noise, long service life, and OEM/ODM support. Made in China, packed in carton pallets.

Hydraulic Cylinder Rod End Ball Joint Bearing – High-Load, Corrosion-Resistant, Precision-Machined
Plain Bearing

Hydraulic Cylinder Rod End Ball Joint Bearing – High-Load, Corrosion-Resistant, Precision-Machined

Basic Info. Inner Diameter100 mm Outer Diameter150 mm Thickness90 mm Bearing TypeSpherical Plain Bearing LubricationSelf-Lubrication, Thin Film Material & ContactSteel-on-Steel, Hydrodynamic Bearing High-precision spherical plain bearing with self-lubricating steel-on-steel sliding contact. Designed for trust and radial loads, featuring low noise, long life, and intermittent fuel control lubrication. Compact 100×150×90 mm specification, OEM/ODM supported. Made in China, HS Code 8482101000.

Si5e-Si15es Spherical Plain Rod-End Bearings – High-Load, Corrosion-Resistant
Spherical Plain Bearing

Si5e-Si15es Spherical Plain Rod-End Bearings – High-Load, Corrosion-Resistant

Basic Info. Inner Diameter5 mm Outer Diameter21 mm Thickness6 mm MaterialBearing Steel Sliding ContactSteel-on-Steel Product TypeSpherical Plain Bearing Description High-precision spherical plain bearing with long life and low noise. Designed for demanding applications requiring reliable steel-on-steel sliding contact. Compact specification (5×21×6 mm), OEM/ODM supported, made in China.

M25 Ball Joint POS25 Right/Left Thread Rod End Bearing
Plain Bearing

M25 Ball Joint POS25 Right/Left Thread Rod End Bearing

Basic Info. Inner Diameter100 mm Outer Diameter150 mm Thickness90 mm Model No.Phs25 POS25 Bearing TypeSpherical Plain Bearing LubricationHydrodynamic, Thin Film High-precision spherical plain bearing with steel-on-steel sliding contact, self-lubricating bushing, and hydrodynamic lubrication. Designed for trust and radial loads, offering long life, low noise, and OEM/ODM service. Made in China, packed in carton pallets.

Shandong Spherical Rod Ends Bearing for Hydraulic Cylinders – Catalogue Available
Plain Bearing

Shandong Spherical Rod Ends Bearing for Hydraulic Cylinders – Catalogue Available

Basic Info. Inner Diameter100 mm Outer Diameter150 mm Thickness90 mm TypeSpherical Plain Bearing Bushing MaterialSelf-Lubrication Lubricant & LoadHydrodynamic Bearing Description High-precision spherical plain bearing with steel-on-steel sliding contact, designed for trust and radial loads. Features thin-film lubrication, intermittent fuel control, low noise, long life, and OEM/ODM service. Made in China, packed in carton pallets.

Rod End Bearings Si5e-Si10e, High-Precision Spherical Plain Joints
Plain Bearing

Rod End Bearings Si5e-Si10e, High-Precision Spherical Plain Joints

Basic Info. Inner Diameter5 mm Outer Diameter21 mm Thickness6 mm Bearing TypeSpherical Plain Bearing LubricationHydrodynamic Bearing, Self-Lubrication Material & ContactSteel-on-Steel Introduction High-precision spherical plain bearing with thin-film lubrication, designed for trust and radial loads. Features low noise, long service life, and OEM/ODM support. Made in Japan, compliant with HS Code 8482101000.

OEM Self-Lubricating Rod End Bearings Si12e-Si40es
Plain Bearing

OEM Self-Lubricating Rod End Bearings Si12e-Si40es

Basic Specifications Inner Diameter100 mm Outer Diameter150 mm Thickness90 mm Bearing TypeSpherical Plain Bearing LubricationHydrodynamic / Thin Film MaterialSteel-on-Steel, Self-Lubricating Product Overview High-precision spherical plain bearing with hydrodynamic lubrication, thin film technology, and steel-on-steel sliding contact. Features low noise, long service life, and OEM/ODM support. Made in China, packed in carton pallets.

GE60ES/GE60ES-2RS Spherical Plain Bearing – Self-Lubricating, High-Quality Radial Joint Bearing
Plain Bearing

GE60ES/GE60ES-2RS Spherical Plain Bearing – Self-Lubricating, High-Quality Radial Joint Bearing

Basic Info. Inner Diameter100 mm Outer Diameter150 mm Thickness90 mm Model NO.Ge60es, Ge60es-2RS TypeSpherical Plain Bearing MaterialSteel-on-Steel, Self-Lubrication Introduction High-precision spherical plain bearing with hydrodynamic lubrication, thin-film technology, and OEM/ODM service. Features low noise, long life, and reliable performance. Made in China under BDL brand (HS Code: 8482101000). Packaged in carton pallet.

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