Lawn Mower Ball Bearing, the inner diameter is 0.9843", this a popular size that could be used in lawn mowers, Bearings are made of Chrome Steel, and can rotate up to 10000 rpm, bearings have Metal Shields to protect the bearing from dust or any possible contamination, bearings are pre-lubricated with grease.

• Item: Radial Deep Groove Ball Bearings
• Type: Deep groove ball bearings
  
• Closures: Metal Shields
  
• Lubrication: Self Lubricated (Grease)
• Quantity: One Bearing