INA HK2030 ZW HK2010 HK 2012 Drawn Cup Needle Roller Bearing HK Series For Textile Machinary

Why is it called a needle roller bearing ?

Rolling elements used are shaped like needles, hence the name. These steel needles, with round or flat tips, have a diameter less than or equal to 5 mm, and their length must be at least 3 times greater than their diameter.

What is a needle roller bearing used for ?

Needle bearings are a small cylindrical type of roller bearings which are used to prevent friction between moving surfaces which have low rotational speeds. Needle roller bearings are usually used when space is at a premium as needle bearings are much more compact than ball bearings.

Drawn cup needle roller bearings with open ends HK INA HK2030 ZW 

Size : 20 x 26 x 30mm

Unit Weight : 37 g

Specification for Part of HK Series Needle roller bearings : 

Cage :

1 . High quality low carbon steel pipe

2 . General type car made after punching

3 . Heat treatment, carburizing, nigrities

Needle roller:

1 . GCr15 bearing steel

2 . Through grinding machine grinding

3 . HRC60-64

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Our products are widely used in textile machinery, printing machinery, tobacco machinery, engineering machinery, sewing machinery, food processing machinery, packaging machinery, motorcycle, moped, electric tools, automobiles, office equipment, automatic washing machine, mining machinery and other fields.