LR608NPPU Miniature Ball Bearing
LR608NPPU is a miniature ball bearing manufactured with a Crowned Outer Surface and is most commonly used in applications where friction must be reduced. LR608NPPU has 2RS rubber seals on both sides to prevent dust & debris from entering the bearing. LR608NPPU is pre-lubricated with grease to allow it to be ready for use upon delivery. Our 600 Series Bearings have Larger OD which assists in high speed & larger load application.
Match Numbers / Interchange Numbers
LR606NPPU, E606-2RS, 606RS/19, 606LU-19, 606-2RS/19, LR606RS
Applications / Industries
LR606NPPU Miniature Ball Bearings are used in a range of applications from Electric Motors to Idler wheels, Robotic Systems, Dental Equipment, Medical Equipment, High Speed Applications, Roller Skates, Skateboards, RC Cars, RC Trucks, RC Planes, RC Helicopters, among others.
What are Ball Bearings?
A ball bearing is a type of rolling-element bearing that uses roller balls to separate two “races,” or bearing rings. The combination of the roller balls and bearing rings help to reduce surface contact and rotational friction across moving planes to accommodate axial loads.
Ball bearings help to facilitate motion by distributing loads and reducing friction for applications that have a high-speed requirement, ultimately aiding in extending the working life of your equipment.
What are Rolling-Element Bearings?
Rolling-element bearings, commonly called rolling bearings, are bearings that carry a load by utilizing “rolling elements” between two concentric, grooved rings called races. The motion of the bearing races allows for the rolling elements to move with very little resistance and with little slide variance.
Some common types of rolling elements include ball, cylindrical, spherical, barrel, needle, spindle, or tapered.
What is the Difference Between Open, Shielded, and Sealed Rolling Bearings?
The main difference between open and sealed/ shielded bearings is the application of lubrication. The main difference between sealed and shielded bearings is the presence of a protective enclosure.
- Sealed and shielded bearings are both lubricated with oil or grease in the bearing factory. However, a rubber sealed bearing protects the bearing by using a seal that contacts the inner and outer race. This provides superior protection at the cost of operating speed and temperature.
- Open bearings are meant to be lubricated in place, with periodic reapplication of lubrication, based on use.
- Shielded rolling bearings contain an enclosure that helps to protect the working parts of the bearing from environmental debris that may be introduced and would otherwise reduce the ball bearing speed and lifespan. This metal shield is stamped onto the bearing and only contacts the outer ring, this allows for protection without sacrificing operating speed or temperature.
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