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Top 5 Positive Customer Reviews for 7 pin needle
We would like to have more information on the material properties of the bearing steel to know the what’s the hardness rating and the lifecycle of the rollers to use them appropriately. The diameter minus dimension is around 0.02 to 0.025mm which is very high for bearings and we also found that the roller is not even.
We would like to have more information on the material properties of the bearing steel to know the what’s the hardness rating and the lifecycle of the rollers to use them appropriately. The diameter minus dimension is around 0.02 to 0.025mm which is very high for bearings and we also found that the roller is not even.