What does RK mean on a bearing?

What does RK mean on a bearing?

RK – single-sided, double-lip contact elastomer seal, for example: 6210RK. 2RK-double-sided, double-lip contact elastomer seal, for example: 6210.2RK. RS – single-sided, contact-type synthetic rubber seal, for example: 6210RS. 2RS – double-sided, contact-type synthetic rubber seal, for example: 6210-2RS.

What is the difference between ZZ and RS bearings?

RS provides a better seal and protection in contaminated environments but causes increased rolling friction than 2 Z as this type of seal makes contact with the inner ring. Type 2 Z or ZZ is a non-removable, non-contact bearing closure with a metal seal on both sides.

Can you clean bearings with acetone?

Pour enough acetone into the container to cover the bearings. Place inside and securely fasten the lid. (Follow the instructions with your cleaning kit carefully). You can leave them to soak and give them a good shake to remove all the dirt.

What kind of ball bearing does a 608-2rs have?

The 608-2RS and 608-ZZ is a 8mm ball bearing that is found in many applications. The 608-2RS ball bearing has two contact rubber seals one on each side of the ball bearing. The 608-ZZ ball bearing has two non-contact metal shields one on each side of the ball bearing.

What are the sizes of RK series bearings?

RK series turntable bearings range in size from 20–47 inches OD (500–1200 mm OD). RK series slewing ring bearings are generally available from stock, and mating pinions for the geared versions are also generally available.

Which is the best ball bearing for roller skates?

If your application requires a 608 ball bearing with only one seal or shield you can get this ball bearing and take one of the shields or seals off. This 8mm ball bearing is high quality and can take electric motor demands if needed. This is a popular bearing for roller skates, roller blades, skate boards and scooters.

What kind of ring bearings do Kaydon use?

Kaydon RK series slewing ring bearings provide a wide variety of solutions for applications where a large diameter and lighter weight are key.