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.

 

 

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.

 

 

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 688H-2RSP6MC3SRL Ball Bearings

90.00 mm 2200 rpm
397000 N 1.00 mm

BEARINGS LIMITED 686ZZ L1360ZZ Ball Bearings

3200 rpm 163000 N
65.000 mm 58.70 mm

BEARINGS LIMITED 6900 2RS Ball Bearings

0.5938 in 1 in
3.9063 in 2.7500 in

BEARINGS LIMITED 688-ZZ Ball Bearings

770 mm 5 mm
16 mm 5830 kN

BEARINGS LIMITED 61800 Ball Bearings

MS 3080-76 Tr 400x5
380 mm HMV 80E

AMI MUC204RS Ball Bearings

9.8 kg 2.5 mm
3 mm 168.25 mm

BEARINGS LIMITED SSRI6632ZZ Ball Bearings

39300 N 1.50 mm
21.00 mm 8500 rpm

BEARINGS LIMITED SS6003 2RS Ball Bearings

20 mm 20.5 mm
0.3 mm 17 mm

BEARINGS LIMITED 6002-2RS/C3 Ball Bearings

2.00 mm 111.00 mm
260000 N 75.000 mm

BEARINGS LIMITED 7315 B Ball Bearings

82.60 mm 2.50 mm
1800 rpm Two Shields & Snap-R

BEARINGS LIMITED 695ZZ Ball Bearings

75.406 mm 1 in
1/4 NPT 22236 CCK/W33

BEARINGS LIMITED 6900 2RS KSM Ball Bearings

0.68 210 mm
205 mm 447 N/µm
1/11