Thrust Parallel Roller Bearing

Solid collar needle roller bearings are divided into two types: without inner rings and with inner rings. For instance, RNA and NK are needle roller bearings without inner rings, while NA and NKI have inner ring needle roller structures. Solid collar roller bearings come in the following types: NK, NKI, TAF, TAFI, NKS, NKIS, RNA48, NA48, RNA49, NA49, RNA49... 2RS, NA49... 2RS, RNA59, NA59, RNA69, RNA69... 2RS, NA69... RS, NA69... RS, MR, BR, NCS, HJ, MI, BRI, HJTT, RNAO... TIV, BRNO, RNAF, RNF, RNAO... ZW, NAO... ZW, RNAV, NAV, NA, BPNA, PNA, etc. The needle roller bearing without inner ring is suitable for the parts of which the radial size is limited. Because of no inner ring, 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 0.63um. This kind of bearing does not limit the axial shift of shaft and housing and has high limiting rotational speed. The inner ring has no shoulder in this bearing. For this purpose, the inner ring, outer ring complete set of needles and cage can be mounted respectively. This bearing does not limit the axial shift of shaft and outer housing. Since the cage separates the needles so as to reduce friction. It can be used for the parts with high rotational speed.

The rod-use needle roller and cage assembly is mainly used for engine, compressor and other crank-guide. The designation of the rod-use needle roller and cage assembly is composed of letter and number. The letter KZK represents crank pine assembly and KBK represents piston pin assembly. The needle roller and cage assembly for KZK crank pin adapts M-type cage with reliable performance. It has special requirement. The surface of cage can be silver-plated or copper-coated. The needle roller and cage assembly for KBK piston pin is different from KzK (external guide for crank pin). It is internally guided on the piston pin), thus increasing the length of needle.

The Yoke Type Track Roller Bearings is divided into several series such as RSTO, STO, RNA22, NA22, NATR, CRY, NUTR and PWTR. The following is part of the product catalogue. For more information, please contact us.

It includes multiple compact structure, high rotating accuracy, large varieties, broad adaptability and easy installation and it can bear high radial load and certain shock load and is widely used in machine tool, metallurgical, textile and printing machinery, processing lines and etc. The materials include stainless steel and carbon steel. Additionally, there is a structure coated with polyurethane. There are models such as KR, KRE, CF, CFE, CCFE, CFH, CCFH, NUKR, NUKRE, PWKR, CFFUH, and CFFUSH. Please enquire.