Ball Bearings

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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.

 


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.There are a number of different types of ball bearings, such as miniature, deep groove, and super precision. Miniature Ball Bearings are small bearings with bore sizes between 1 and 10 mm or up to half an inch. Bearings Direct offers a number of miniature ball bearings in both metric and inch sizes that meet ABEC7 precision class.

 

 

BEARINGS LIMITED 51264 M Ball Bearings

57.15 mm 22.225 mm
234.95 mm 14.3 kg

BEARINGS LIMITED 7406 BMG B52 Ball Bearings

8 138 kN
330.2 mm 76.2 mm

BEARINGS LIMITED 7406 BECB MP Ball Bearings

0.6 mm 1.13
137 N/µm 0.3 mm

BEARINGS LIMITED 2306 MC3 Ball Bearings

110 mm 8
47.625 mm 39.1 kN

BEARINGS LIMITED 4206 Ball Bearings

339.725 mm 1735.4 N·m
79.375 mm 136 kN

BEARINGS LIMITED 305706 ZZ Ball Bearings

3600 rpm 1.50 mm
35100 N 31.00 mm

BEARINGS LIMITED 1306 K C3 Ball Bearings

14000 rpm One Shield
12.000 mm 18000 rpm

BEARINGS LIMITED 362 Ball Bearings

25.000 mm 8000 rpm
52.0000 mm 20.60 mm

BEARINGS LIMITED 33821 Ball Bearings

11.1 mm 3 mm
120 mm 118.700 kN

BEARINGS LIMITED 33822 Ball Bearings

1.6 mm 50 mm
54.6 mm 400 N

BEARINGS LIMITED 362A Ball Bearings

0.029 kg 0.3 mm
13 mm 0.3 mm

BEARINGS LIMITED 759 Ball Bearings

6000 rpm 130.0000 mm
5000 rpm 1.00 mm
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