Bore Size
Outside Size
Width Size

R10 Ball Bearing 5/8x1-3/8x9/32 Open S7K

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R10 Ball Bearing

Key Features

R10 is a Precision Radial Inch Sized Ball Bearing with Open Closure on both sides and pre-lubricated with light oil allowing it to be ready for use upon delivery. R10 is made from Chrome Steel and has been manufactured to inch sized dimensions for light duty applications. Our R Series Radial Ball Bearings have a combination of an inner and outer ring with a cage containing a complement of precision balls and are offered with Open, Rubber Sealed, and Metal Shielded Closures.

Match Numbers / Interchange Numbers

R10, S7K, EE5S, 1L005, R-10, ZR10

Applications / Industries

R10 Inch Sized Ball Bearings are used in a variety of applications such as Industrial Equipment, Conveyor system, Power tools, Electric Motors, Fans, Gear Box, Speed Reducers, Sprockets, Axial Fans, Clutch, Drive Axles, Idler Wheels, Electric Motors, Roller Skates, Lab Equipment, Skateboards, Snow Mobiles, Fishing Reel, Equipment, Conveyor and many other industrial machines.

What are Inch Sized Ball Bearings?

An Inch Sized Ball Bearing is a type of rolling-element bearing that uses roller balls to separate two “races,” or bearing rings. These ball bearings have been manufactured to be Inch Sized Dimensions. The combination of the roller balls and bearing rings help to reduce surface contact and rotational friction across moving planes to accommodate axial loads.

Inch 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 lubricated with 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 with light oil, 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.
Online Catalog:
Dimensions & Material
Inner Diameter:
Outer Diameter:
Light Oil
Chrome Steel SAE-52100
ID: 5/8" x OD: 1-3/8" x W: 9/32"
Product Details
Closure Type:
Grease RPM Limit:
Oil RPM Limit :
Static Load Rating:
165 lbf
Dynamic Load Rating:
303 lbf
Interchange Numbers:
R10, S7K, EE5S, 1L005, R-10, ZR10
R10 Ball Bearing 5/8x1-3/8x9/32 Open S7K

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