1. Product Overview GNE40 is heavy-duty spherical outer ring insert ball bearing with eccentric locking collar, standard metric dimension d40×Dsp90×overall length 54.6mm. It belongs to GNE series wide inner ring insert bearing, built-in double-lip contact rubber seals on both sides, reserved side grease nipple for periodic relubrication.The outer spherical surface realizes ±3° self-aligning compensation to offset shaft deflection and housing machining error. Widened inner