Double-row needle roller bearingsModelNameFeaturesNA typeDouble-row needle roller bearingsOnly the radial loads can be sustained,no axial loads, compact size make it suitable for condition where radial size are limited, can be installed with inner and outer rings, limiting speed ishigh, the capacity to support radial loads are higher than single-row needle roller bearings.RNA,NK typeDouble-row needle roller bearings without inner ringsThe surface of journal directly as a bearing inner raceway surface, the surface hardness, machining accuracy and surface quality of journal should be close to the ring raceway, limiting speed is low, the capacity to support radial loads are higher than single-row needle roller bearings.
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Double-row Needle Roller Bearings
Double-row Needle Roller Bearings
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