Wheel Bearing Grease is a premium lithium complex lubricating grease with high film strength, extreme pressure (EP) and anti-wear properties designed for extra stability under storage and extreme service conditions. AGS Wheel Bearing Grease is water and heat resistant and provides maximum protection against rust and corrosion. Drop point 500 Deg. F (260C). Rated GC-LB by NLGI #2 grease. Temperature range -40F (-40C) to 325 Deg. F (163C).

The 6307 is a 35 mm Ball Bearing that can be used in many rotary and factory automation applications. The 6307 Deep Groove Ball Bearings is an open style bearing. The 6307Z ball bearing is a single row raceway and single shielded. The 6307ZZ ball bearing has a single row raceway and it is shielded on each side. The B6307DDU, 6307DDU, 6307LLU, 6307-2NSE ball bearing are shielded by two rubber seals on each side. The 6307 35 mm Ball Bearing Inner Dimension 35mm X Outer Dimension 80mm X Width 21mm is an open style ball bearing designed for high rotational speeds and high dynamic loads.

Very good information about bearing is appreciable. It is very useful Please provide me link of difference between types of bearing