China excellent quality K60X66X40ZW Radial Needle Roller And Cage Assemblies,size:60*66*40mm,K series,seal type

K60X66X40ZW is needle roller with cage assemblies, which is double row design.

Bearing Designation: k60x66x40ZW

Structure: Radial Needle Roller And Cage Assemblies

Inside Diameter: 60mm

Outside Diameter: 66mm

Thickness: 40mm

Weight: 116g

Brand: Neutral or OEM

Precision Rating: P0,P6,P5

Bearing Material: 20# steel 

Row: Double rows

Material Roller: GCr15 high-carbon chrome steel

Features:

1,simple to mount and robust

2,accurate roller guidance 

3,good running performance

FAQS:

1,How does the company do the heat treatment?  

   Carburization

2,What's the hardness range?

   Needle roller 60~64HRC, Cage HV 380~600

3,Whether superfinishing or not?

   Needle roller and cage superfinishing is available

4, What's the roughness (Ra)?

    The roughness of needle roller may reach 0.2um.

5, What's the temperature limits?

    Needle roller and cage assemblies are heat stabilized up to 120°C

6, What is the lubricants ?

    We will suggest the optimal grease according to your operating environment.