Note: not all spindles have grease fittings & even if you install one on your spindle, doesn't mean the grease will reach the bearings. This is because most mowers have sealed bearings. I have a Poulan Pro 42 in. 19 HP Briggs & Stratton Automatic Gas Front-Engine Lawn Tractor. It has sealed bearings because they want you to have to buy new spindles.
Excellent step by step instructions
Note: not all spindles have grease fittings & even if you install one on your spindle, doesn't mean the grease will reach the bearings. This is because most mowers have sealed bearings. I have a Poulan Pro 42 in. 19 HP Briggs & Stratton Automatic Gas Front-Engine Lawn Tractor. It has sealed bearings because they want you to have to buy new spindles.