ZRB,NRB,DW LXw, PDW LXw Needle rollers provided by SMZ has a complete set of breeds and spec and they are made by bearing steel, rigidity is HRC60～64, roughness of the surface Ra is less than 0.2. Dimension range of cylindrical roller: Dw:3～30，Lw：5～50；they are made of GCr15 steel (bearing steel), its rigidity is HRC60～64；roughness of the surface Ra is less than 0.2. We also produce piston pin, crank pin and other pins and they usually are made of Gcr15 steel (bearing steel), their precision, rigidity and roughness of the surface are in accordance with the standard in the relevant industry and can satisfy demand of the users.
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|Business Type:||Roll Forming Machinery|
|Company :||Changzhou SMZ Bearings CoLtd|