E-mail Us
Articles Mounted Bearings Rod End Bearings & Spherical Plain Bearings

Surface Treatment to Bearings and Housing


Surface treatment to insert ball bearings

Zinc plated insert ball bearings

  • 52100 steel

  • 4-6um thick

Prefix  "Z":Example ZUC205

  • Black Oxide insert ball bearings

  • 52100 steel

  • Prefix"B":Example BUC205


Surface Treatment to Bearings and Housing


Electroless Nickel plated bearing units

Electroless Nickel plated over cast iron and ductile iron.

Housings plated with 0.001" thick electroless, high phosphorous (+10%) nickel.

Suffix "NP"Example: P205-NP


Other Rohs/Reach compliant finish for parts made of iron, steel and stainless steel pertaining to different corrosion protection requirements are also available upon request. Please check with our engineers for your specific demand.


  • Electrophoresis

  • Magni

  • Geomet

  • Electrolytic Polishing


Xipu Industry Park, Luojiang District, Quanzhou, Fujian, P.R. China
kzhang@ldk-bearings.com 86-592-5807618