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STRUENING BEARINGS CO., LTD.

Spherical bearings PB, PBN

Material

PB series
  • Outer frame: Medium carbon steel S45C.
  • Steel balls: Chromium-molybdenum bearing steel SUJ-2, heat treated to HRC 56°±2, surface plated with hard chrome.
  • Gasket: Copper alloy.
PBN series
  • Outer frame: medium carbon steel S45C, with a manganese phosphate coating on the surface.
  • Steel balls: Chromium-molybdenum bearing steel SUJ-2, heat treated to HRC 56°±2, surface plated with hard chrome.
  • Pad: Special high-strength nylon composite material.
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