Nice Ball Bearing ER24 Double Sealed, Extended Inner Ring, Metric OD, 52100 Bearing Quality Steel, 1.5000" Bore x 80mm OD x 1.9375" Width

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Price: $35.03 $23.06   

Product Feature

• Single-row radial ball bearing for applications that support medium radial loads and speeds up to 5000 RPM
• Extended inner ring with set screws to improve shaft support and eliminate the need for location spacers
• Nylon cage evenly spaces balls for reduced friction, vibration, and noise
• Through-hardened 52100 bearing quality steel for optimum wear resistance
• Synthetic rubber seals with steel shields on both sides of the bearing ride in a labyrinth groove to keep the lubricant in and contaminants out

Product Description

This Nice ER24 single-row radial ball bearing is double sealed and has a nylon cage and precision ground surfaces. It is suitable for applications that require a metric dimension outside diameter, as well as quiet operation and support for medium radial loads at speeds up to 5000 rpm. This through-hardened ASTM International 52100 bearing quality steel bearing has a 1.5000" bore diameter, an 80 mm outside diameter, and a 1.9375" width. It has an extended inner ring with set screws to improve shaft support and eliminate the need for location spacers and a snap ring in the groove in its outside diameter. Its inside (ID) and outside diameter (OD) surfaces and raceways are ground to a precision of +0.0000 and -0.0005", allowing higher speeds and creating lower friction than comparable-sized roller bearings. Synthetic rubber seals with steel shields on both sides of the bearing ride in a labyrinth groove to keep out contaminants such as dirt and grime and hold in the lubricant applied at manufacture. This bearing has a straight bore for fitting to conventional cylindrical shafts and a nylon cage to prevent the balls from coming into contact with each other during use, reducing friction, vibration, and noise. This radial ball bearing is suitable for use in commercial and industrial applications including household appliances, power tools, original equipment or replacement parts in motors, office automation, and conveyor rollers.

Rolling bearings use rolling elements to maintain the separation between moving parts to reduce rotational friction and support radial and axial loads. These elements can be one of the following types: ball, cylindrical, spherical, barrel, needle, spindle, or tapered. All rolling bearings are open, shielded, or sealed. Sealed bearings are lubricated with oil or grease in the bearing factory, while open and shielded bearings are meant to be lubricated in place, with periodic reapplication of lubrication, based on use. The shield protects the working parts of the bearing from environmental debris that may be introduced and could reduce the ball bearing speed and lifespan. Rolling bearings are used in a range of applications from agricultural machinery to conveying equipment, robotics, dental equipment, elevators, rolling mills, ship rudder shafts, and aggregate crushers, among others.

RBC Bearings manufactures bearings, pins, rollers, and shafts, and other products for industrial and aerospace applications under the RBC, Nice, Heim, Unibal, and Spherco brands. The company, founded in 1919 and headquartered in Oxford, CT, meets International Organization for Standardization (ISO) standards 9001:2008 and ISO/TS 16949:2009.

Nice Ball Bearing ER24 Double Sealed, Extended Inner Ring, Metric OD, 52100 Bearing Quality Steel, 1.5000" Bore x 80mm OD x 1.9375" Width Review

I pulled my old bearing, measured, googled and was pleasantly surprised to find exactly what I needed here on Amazon. Great price and shipping. A got a pair of these bearings to replace old and rusty bearings in my Old Cave Astrola 12.5" newtonian telescope mount. See my pages for the rebuild. Search for Don's Cave Astrola refurb for my project. Whatever your needs, these are top quality bearings.

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