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
HGH15 Linear Guide Rail – High-Precision Slide Block
Alloy Guide Rail

HGH15 Linear Guide Rail – High-Precision Slide Block

Basic Info. Model NO.HGH15 MaterialAlloy StructureContainer Crane Driven TypeAC FeatureInsulating, Antiseptic, Long Life, High Speed, Low Noise OriginChina Description High-performance container crane model HGH15 made of durable alloy, AC-driven with insulating and antiseptic features. Designed for all-terrain installation and moving operation. Complies with EPA, CE, RoHS, and ISO 9001 standards. Manufactured in China with 1,000,000 units annual capacity.

Cheap Sliding Rail System for Mask Machine – High-Precision Linear Motion Guide
Alloy Guide Rail

Cheap Sliding Rail System for Mask Machine – High-Precision Linear Motion Guide

Basic Info. Model NO.Mgn15 Mgn15c MaterialAlloy CertificationCE, RoHS, ISO 9001:2008 Driven TypeAC Running ModeMoving OriginChina Description High-performance alloy linear guide rail with insulating, antiseptic, low-noise, and long-life features. Designed for container cranes and all-terrain cranes. Supports OEM/ODM service. Complies with global standards including CE, RoHS, and ISO 9001.

LL1255 HGH20CA Linear Guide – Hiwin HG20 Replacement, High-Precision CNC Slide Block
Alloy Guide Rail

LL1255 HGH20CA Linear Guide – Hiwin HG20 Replacement, High-Precision CNC Slide Block

Basic Info. Model NO.MGN15 Ll1255 Hg20 MaterialAlloy Driven TypeAC Running ModeMoving OriginChina HS Code8482102000 Description High-performance alloy crane component with AC drive and moving operation mode. Designed for container and all-terrain cranes, featuring insulation, low noise, high speed, and long service life. Certified to EPA, CE, RoHS, and ISO 9001 standards. Made in China.

Domestic LM Linear Motion Guide – Square Slider Block + Rail, In Stock, Door-to-Door
Alloy Guide Rail

Domestic LM Linear Motion Guide – Square Slider Block + Rail, In Stock, Door-to-Door

Basic Info. Model NO.linear guide MaterialAlloy CertificationCE, RoHS, ISO 9001:2008 Driven TypeAC FeatureHigh Speed, Low Noise, Long Life OriginChina Description Precision linear guide with alloy construction for high-speed, low-noise operation. Certified to CE, RoHS and ISO 9001:2008 standards. Ideal for container cranes and all-terrain crane applications. Offers insulating, antiseptic properties and extended service life. Made in China.

HGH15/HGH20 Linear Guide Bearing – Factory Direct, High-Precision CNC Slide Block
Alloy Guide Rail

HGH15/HGH20 Linear Guide Bearing – Factory Direct, High-Precision CNC Slide Block

Basic Info. Model NO.HGH20 MaterialAlloy CertificationEPA, CE, RoHS, ISO 9001 StructureContainer Crane Driven TypeAC OriginChina Introduction High-performance container crane model HGH20 made of durable alloy, AC-driven with moving running mode. Certified to EPA, CE, RoHS and ISO 9001 standards. Designed for all-terrain installation and long-life, low-noise operation. OEM/ODM service available.

HCR25A+60/750R Curved Linear Guide Rail – High-Precision Arc Guide with Slide Block
Alloy Guide Rail

HCR25A+60/750R Curved Linear Guide Rail – High-Precision Arc Guide with Slide Block

Basic Info. Model NO.HCR25A+60/750R CertificationEPA, CE, RoHS, ISO 9001 MaterialAlloy StructureContainer Crane Driven TypeAC OriginChina Description High-performance container crane component with insulating, antiseptic, and low-noise features. Designed for all-terrain installation, supports OEM/ODM service, and built for long life and high-speed operation. Complies with international standards including CE and RoHS.

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.

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Full FCL Support

20GP / 40HQ containers

🏷️

OEM Branding

Custom packaging & labels

⏱️

5-15 Day Lead

Bulk production timeline

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T/T · L/C · Alibaba

Flexible payment terms