10 Bearing 61801-2RS 12x21x5 Sealed
	Part Number: Kit8562 Our Low Price: $29.95 Shipping Weight: 0.3 pounds
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Ball Bearings 12x21x5 Rubber Seals Lot of 10 Bearings

10 Ball Bearings, this is a popular size that could be used in many RC wheel and motor applications that uses this size 12mm x 21mm x 5mm, each bearing has 2 Rubber Seals to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease, Bearings are packed 10 bearings in one plastic tube. Item: Double Sealed Ball Bearings 61801RS Material: Chrome Steel Size: 12mm x 21mm x 5mm 61801RS1 Type: Deep groove ball bearings Closures: 2 Rubber Seals 61801RS Lubrication: Self Lubricated (Grease) Quantity: 10 Bearings Equal: 6801-2RS1 Packing: 10 bearings in 1 plastic tube

Ball Bearings

Ball Bearings main function is to minimize the friction caused by any relative movement of two or more objects, in order to reach the maximum efficiency of energy usage, we aim to minimize the "converted to heat" energy by using Ball Bearings.
A great variety of Ball Bearings types and Ball Bearings designs are known, the manifolds of the ball bearings is justified by their various purpose of the ball bearings needed application, each type of ball bearings has a certain characteristic technical properties, rolling ball bearings have the following advantages compared with the plain bearings:

• Low starting moment.
• Low friction at all speeds.
• Low energy consumption.
• High reliability.
• Small width.
• Low consumption of lubricant.
• Long relubrication intervals.
• Easy to mount and dismount.
• Standardized dimensions.