Ball Bearings

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A ball bearing is a type of rolling-element bearing that uses balls to maintain the separation between the bearing races. The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads. It achieves this by using at least three races to contain the balls and transmit the loads through the balls. In most applications, one race is stationary and the other is attached to the rotating assembly (e.g., a hub or shaft). As one of the bearing races rotates it causes the balls to rotate as well. Because the balls are rolling they have a much lower coefficient of friction than if two flat surfaces were sliding against each other.

Ball bearings, or deep-groove bearings, extend the working life of equipment by enabling wheels, pulleys, and other rotating parts to reduce friction and move smoothly. Ball bearings have a series of round balls encased in a housing and support high axial or low-to-moderate radial loads. Axial (thrust) bearings support loads parallel to the axis, such as those exerted by a table supporting a weight.

Bearing Number	Bore Dia	Outer DIa	Width	Size
BEARINGS LIMITED 5205ZZ Ball Bearings	22217 EK	298.3 N·m	330.2 mm	187.325 mm
BEARINGS LIMITED 2308 Ball Bearings	0.6 mm	1.05	1.02	22 mm
BEARINGS LIMITED 212KRR Ball Bearings	120.0000 mm	65.000 mm	40500 N	6300 rpm
BEARINGS LIMITED 63005-2RS Ball Bearings	SR-18-15	72.5 kN	27.781 mm	40.481 mm
BEARINGS LIMITED SSL1050ZZ Ball Bearings	12 mm	560 mm	19.5 mm	28000 kN
BEARINGS LIMITED SS6903 2RS Ball Bearings	8 mm	4000 r/min	111.5 mm	1.92 kg
BEARINGS LIMITED SS6205 2RS Ball Bearings	359.999 mm	635 mm	85.725 mm	122.237 mm
BEARINGS LIMITED 87008 Ball Bearings	1.00 mm	2.50 mm	41.00 mm	153000 N
BEARINGS LIMITED 6916ZZ Ball Bearings	82.55 mm	2 x B10724-109	2 x 1-8 UNC	60.325 mm
BEARINGS LIMITED 688-2RS/C3 Ball Bearings	72.00 mm	3.00 mm	830000 N	1600 rpm
BEARINGS LIMITED 6203 2RSC3 BULK Ball Bearings	50.000 mm	33800 N	11200 N	6300 rpm
BEARINGS LIMITED 6202-ZZ-16 Ball Bearings	95.000 mm	510000 N	2600 rpm	410000 N