Full Ceramic Bearing 21.5x31x7 (6804 Modified)
	Part Number: Kit7757 Our Low Price: $99 Shipping Weight: 0.01 pounds
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6804 Modified Ball Bearings Full Ceramic 21.5mm x 31mm x 7mm (6804 Modified)

Full Ceramic Ball Bearings, the inner diameter is 21.5mm, outer diameter is 31mm and the width is 7mm, this is a popular size that could be used in many applications, Bearings are made of Ceramic. Item: Ball bearings 6804 Modified Type: 6804 Modified Full Ceramic Quantity:One ball bearing  Bearing Size: 21.5mm x 31mm x 7mm Dimensions: 21.5*31*7 mm/Metric ID (inner diameter)/Bore=21.5mm OD (outer diameter)=31mm Width/Height/thickness=7mm Inner/outer races: ZrO2 Ceramic Balls: ZrO2 Ceramic Cage: PTFE

VXB Category: Full ceramic bearings

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.