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Item # HK0408 TN, HK Style Standard Needle Roller Bearings

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Needle roller bearings use small, cylindrical rollers which are long and narrow.  These bearings allow for a large surface area to be in contact with the outer race, and are much more compact than cylindrical rollers. 

Needle roller bearings are extensively used in the automotive industry for parts such as rocker arm pivots, compressors, transmissions, and drive shafts.

Our HK Style standard needle roller bearings have a high capacity for load carrying.  They can also operate at high speeds with slim designs that allow use with limited radial space. Our bearings are available with or without an outer ring. The drawn cup style provides high load capacity along with large grease reservoirs. 

The under rollers are available in various diameters, and the bearings are capable of a range of dynamic and static loads.  Bearings are also available with seals in inch or metric measurements.

With over 50 years of experience in the bearing industry, we have a team of experts that can help you find the bearing that you need for the most demanding applications.  Our 25,000 square foot warehouse encompasses a great range of stock and, if we don’t have the part you need, we will help you find it.

We also offer programs that suit the needs of your industry. Fixed price programs or critical stock holds are all available to meet your needs. 

Along with our bearings, we offer a range of other products to help keep your equipment in peak operating condition.  These include seals, retaining rings, and much more.  See our Line Card to find the items that you need to keep things running smoothly.

Contact Emerson Bearing  today, and let our team assist you with your super precision, angular, contact ball bearing needs.





Unit of Measure: Metric

 Specifications   

(FW) Diameter Under Rollers

4 mm

(D) Outside Diameter

8 mm

(B) Width

8 mm

(C) Dynamic Load

1720 N

(Co) Static Load

1320 N

(Grease) Lubrication Speed

26000 r/min

(Oil) Lubrication Speed

38000 r/min

Weight (Open End)

1.00 g

Weight (Closed End)

1.80 g


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Bearing Failure Analysis