Installation Tips
Keep the needle and raceway clean to prevent misalignment during installation. Pay attention to the hardness of the inner ring or journal.
Needle rollers are slender with a compact radial profile, making them ideal for bearings in space-constrained applications.
Model Series
NA / NK / HK / RNA / HN Series
Transmission, hydraulic pump, textile machinery, and small gear reducers with connecting rods.
For reference only. Final model selection must be confirmed based on load, speed, temperature, lubrication method, installation space, and target market requirements. If drawings or photos of the old part are available, they can be used for direct verification.
Keep the needle and raceway clean to prevent misalignment during installation. Pay attention to the hardness of the inner ring or journal.
Regularly lubricate and inspect needle rollers for wear, cage deformation, and foreign objects.
Please specify alternative models, brand requirements, packaging methods, and target markets to facilitate price verification and shipment documentation.
Current Model / SELECTED MODEL
needle roller bearing
NA / NK / HK / RNA / HN Series
Common Inner Diameter 5–100 mm