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R12-2RS Ball Bearing 3/4x1-5/8x7/16 Sealed S8PP 99R12 JD9456

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R12-2RS Ball Bearing 

Key Features

R12-2RS is a Precision Radial Inch Sized Ball Bearing with both sides Rubber Sealed and pre-Lubricated with Grease allowing it to be ready for use upon delivery. R12-2RS 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

R12RS, 1L041, R12LLU, R12VV, EE6-2RS, 99R12, JD9456, AN151866, 1151040, EE6S-2RS, R12DDU, R12CC, 3110-00-142-7009, Z99R12, 9018179, 69X132, S8SZZ, BS9912, R12LL, R12RR, S8RRR, S8PP, R12.2RSR

Applications / Industries

R12-2RS Inch Sized Ball Bearings are used in a variety of applications from Agricultural Machinery to Conveying Equipment, Electric Motors, CNC Machinery, Handpieces, Mining Equipment, Lab Equipment, Robotics, Dental Equipment, Elevators, Rolling Mills, Ship Rudder Shafts, and Aggregate Crushers, among others. 

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:
Chrome Steel SAE-52100
Chevron SRI-2 Grease
ID: 3/4" x OD: 1-5/8" x W: 7/16"
Product Details
Closure Type:
2RS Rubber Sealed Both Sides
Grease RPM Limit:
Oil RPM Limit :
Static Load Rating:
229 lbf
Dynamic Load Rating:
398 lbf
Interchange Numbers:
R12RS, 1L041, R12LLU, R12VV, EE6-2RS, 99R12, JD9456, AN151866, 1151040, EE6S-2RS, R12DDU, R12CC, 3110-00-142-7009, Z99R12, 9018179, 69X132, S8SZZ, BS9912, R12LL, R12RR, S8RRR, S8PP, R12.2RSR, R12LLB
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R12-2RS Ball Bearing 3/4x1-5/8x7/16 Sealed S8PP 99R12 JD9456

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