Wuxi Shenxi Bearing Manufacturing Co., Ltd.

NA4900 Needle Roller Bearing for Machinery Motors Large Stock

NA4900 needle roller bearing   

Distributors Wanted!!!

Company Production- needle roller bearing

. More than 20 years' experience in needle roller bearing: the complete industry chain: continuous material suppliers,strong supply capacity, perfect system of freight forwarding.

. Customization production: size, modle, and package are per clients' demand.

. Realizable quality: we have our own factory, professional design team, strict quality control system and strong transportation cooperation.

. Professional: We can offer almost types of needle roller bearing,the specification can be produced according to your requirement. 

. Delivery fast: Goods be sent out within 1 to 5 working days based on order quantity.

. First-class pre and after service: we ensure the well processing of the practice of our products for customers.

Features-needle roller bearing

a, As for the full complement needle roller bearing with inner ring, the outer ring has the oil hole. The lubricating oil can be fed in from the oil hole. The outer ring has the double shoulders. As for the full complement needle roller bearing without inner ring, since the inner ring has no shoulder and cage, the inner ring, outer ring, complete set of needles can be mounted respectively. It is s suitable for parts of which the radial size is limited.

b,  The surface of shaft journal fitted with it is acted directly as rolling surface. It is requested that the surface hardness be no less than HRC60, surface roughness, no more than 0.63μm. This kind of full complement bearing, with inner ring or without inner ring, does not limit the axial shift of shaft and housing.

Specifications-needle roller bearing