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 two 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 tend to have lower load capacity for their size than other kinds of rolling-element bearings due to the smaller contact area between the balls and races. However, they can tolerate some misalignment of the inner and outer races.

NSK BA580-1 DF Ball Bearings

475,5 mm 680 1/min / Limiting
No 4 mm / Axial displac

NSK BT260-52 DB Ball Bearings

126 mm 180 mm
21 mm 139,7 mm

NSK B820-1C Ball Bearings

17.018 mm 57.91 mm
1.55 61.00 mm

NSK 7932AAX DB Ball Bearings

4 700 r/min 80
55 1,5 mm

NSK 7028AX DB Ball Bearings

44,45 mm 230 mm
3,5 mm 241,3 mm

NSK B820-1 Ball Bearings

25 mm 15 mm
52 mm 25x52x15

NSK BT220-3 DF Ball Bearings

5 mm 239/530-K-MB + H39/5
500 mm 6800000 N / Static l

NSK BA220-1A DF Ball Bearings

70 mm 80x170x58
170 12 mm

NSK BT260-51 DF Ball Bearings

45 mm 0,087 Kg
NTN 23 mm

NSK 6948X1 Ball Bearings

KOYO 71.5 mm
36.2 1 (Single)

NSK BT175-1 DB Ball Bearings

50,7 mm 57,2 kN
40,1 kN 33 mm

NSK BA225-1 DF Ball Bearings

7,938 66,675
6.75 7,938 mm