Precision Craftsmanship · Full-Chain Quality Control

HLB Bearing – Standard & Custom Spherical Plain Bearing Specialist

Specializing in spherical plain bearings for over 20 years, HLB Bearing is a National Level Specialized & Sophisticated "Little Giant" Enterprise. We deliver standard and custom spherical plain bearings with full size coverage from 4mm to 1000mm, serving engineering machinery, mining, aerospace, marine & offshore high-end equipment worldwide.

Full Range | Standard & Custom Spherical Plain Bearings

HLB Bearing offers complete standard spherical plain bearing series: radial, self-lubricating radial, angular contact, thrust and rod end types, with precision grades P0/P6/P5/P4 for general machinery, automotive and agricultural applications.

With 37 patents and national high-tech enterprise R&D strength, HLB Bearing provides tailor-made spherical plain bearings up to 1000mm. Custom solutions include special structures, stainless steel/alloy materials and self-lubricating modification, perfectly adapting to high/low temperature, corrosion and heavy dust working conditions. Our custom spherical plain bearings widely match Caterpillar, Komatsu, aerospace and marine projects.

Full-Process Intelligent Manufacturing & Strict Quality Control

From raw material forging to finished spherical plain bearings, HLB Bearing implements full-chain quality management.

· Premium 42CrMo / GCr15 bearing steel with strict chemical composition inspection and magnetic particle flaw detection

· CNC turning + controlled atmosphere heat treatment, hardness stabilized at HRC 58-62

· Imported high-precision grinding & superfinishing, spherical precision controlled within ±0.001mm

· Clean workshop assembly + 100% full inspection, complying with ISO9001 & IATF16949

All HLB spherical plain bearings feature micron-level accuracy, high durability and long service life, fully qualified for harsh working environments.

Brand Strength & Global Trust

As a national bearing standard drafting unit and owner of HLB Famous Trademark, HLB Bearing is certified as Shandong Quality Benchmark Enterprise. HLB spherical plain bearings supply Caterpillar,Komatsu,HITACHI,Sany, XCMG, Sinotruk and are exported to Europe, America and Southeast Asia.

Choose HLB Bearing — your reliable partner for high-performance standard and custom spherical plain bearings from 4mm to 1200mm.