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 TP130 Ball Bearings	139.7 mm	250.825 mm	1.5 in	4.763 mm
BEARINGS LIMITED SS6205-ZZ Ball Bearings	100 N·m	37.5 kN	50 °C	M12x1.25
BEARINGS LIMITED SS6204 2RS Ball Bearings	25 N/mm²	110 mm	130 mm	0.5 m/s
BEARINGS LIMITED SS6203-2RS Ball Bearings	143 mm	FY 510 M/VZ033	38.1 mm	107 mm
BEARINGS LIMITED SS6204-2RS 3/4 Ball Bearings	280 mm	204 mm	1 000 min-1	750 min-1
BEARINGS LIMITED SS6202-ZZ Ball Bearings	0.1	0.001 kg	8 mm	10 N/mm²
BEARINGS LIMITED SS6202-2RS Ball Bearings	111.125 mm	48 kN	SNW 3024x4	1350 r/min
BEARINGS LIMITED SS6201 2RS Ball Bearings	55 mm	120 mm	6 700 min-1	6311
BEARINGS LIMITED SS61905-2RS Ball Bearings	Tr 630x6	G 1/4	413 mm	600 mm
BEARINGS LIMITED SS61904-2RS Ball Bearings	1.688 in	0.02 in	1.815 in	5730 lbf
BEARINGS LIMITED SS61906-ZZ Ball Bearings	8500 rpm	50.000 mm	7000 rpm	90.0000 mm
BEARINGS LIMITED SS61907-2RS Ball Bearings	4 mm	300 mm	16.7 mm	460 mm