Ball Bearings

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Ball Bearings. Ball bearings reduce friction between shafts and axles and carry radial loads, thrust loads, or a combination of both. They contain an outer ring, inner ring, and a cage that holds and spaces bearing balls, the bearing's spherical rolling elements.

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.


Bearing Number Bore Dia Outer DIa Width Size
NSK BA190-1E DB Ball Bearings 0.0 3.5 N/A NTN
NSK BT190-1 DB Ball Bearings BUNTING BEARINGS 0.042 B04264 0717905003790
NSK BA150-3 DB Ball Bearings N/A Bearings BEARINGS LIMITED 0.5
NSK 6948X1 Ball Bearings PT INTERNATIONAL M06110 0.0 0800675163976
NSK BT277-1 DB Ball Bearings Inner Ring Only KOYO Not Applicable Needle Non Thrust Ro
NSK BA225-1 DB Ball Bearings 0.0 N/A 1.8 NTN
NSK BT160-51 DB Ball Bearings 4.781 ABB MOTORS AND MECHA DODGE N/A
NSK B290-52 Ball Bearings 96.475 Assembly; Standard P 0.0 Single Row
NSK BT270-1 DF Ball Bearings NSK 0.51 M06110 Bearings
NSK BT285-1 DF Ball Bearings 31171511 P2B-DLMAH-200 Concentric Collar Yes
NSK BA150-9 DF Ball Bearings TIMKEN 1.893 N/A Plain Bearings