標準內圈

FYB內圈作為滾動軸承的滾道使用。
截面高度小,具有節省空間的結構。
引導倒角容易裝入滾針軸承和裝配時對密封唇的保護。

     產品精度
尺寸公差和幾何精度按GB/T307

     材料
內圈材料為GGr15軸承鋼,淬硬HRC60-65

Inner Rings:

FYB Inner Ring is Used as basic parts of Needle Roller Bearing.
The high degree is low with save the space.
The boot corner is used as a safeguard to hermetic seal and make cased inner ring easy.

     Product Precision Accuracy:
Dimensional tolerance and geometrical accuracy is based on GB/T307

     Material
Material for inner rings is GCr15 bearing steel, quench-hardening HRC60-65.

山西时时彩走势图表