1203 bearing is Precision Self Aligning Ball Bearing Double Row Both Sides Open and pre-Lubricated with Oil
Sizes: ID 17mm x OD 40mm x W 12mm
Match#: 1203, L1203, 1203TV, 1203SA, 1203G14, 1203J1, 1203TVH, 1203ETN9, 1203E1
This 1200 series type of ball bearing is recommended when alignment of the shaft and housing is difficult and the shaft may flex.
Self-aligning 1203 ball bearings have two rows of balls, a common sphere raceway in the outer ring and two deep uninterrupted raceway grooves in the inner ring.
The 1203J1 bearing is insensitive to angular misalignment of the shaft relative to the housing, which can be caused, for example, by shaft deflection.
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