10 Bearing 8x12 Shielded 8x12x3.5 Miniature Ball Bearings

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Price: $19.49    

Product Feature

• Deep groove geometry for high speeds and supporting both radial and axial loads
• Chrome steel for durability and resistance to deformity under heavy loads
• Shielded to keep lubricant in and contaminants out
• Lubricated at manufacturer for no additional lubrication required

Product Description

This 8x12x3.5-millimeter shielded miniature ball bearing has deep groove geometry for high speeds and supporting both radial and axial loads. Its chrome steel construction makes it durable and resistant to deformity under heavy loads. This bearing is shielded to keep lubricant in and contaminants out, and it comes pre-lubricated from the manufacturer so that no additional lubrication is required. This deep-groove shielded miniature ball bearing is for use in applications that involve combined radial and axial loads and a need for high running accuracy at high rotational speeds. Such applications include clutches, drives, gearboxes, compressors, pumps, turbines, and printing and textile machines, among others.

What's in the Box

• 10 8x12x3.5-millimeter miniature ball bearings

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.

10 Bearing 8x12 Shielded 8x12x3.5 Miniature Ball Bearings Review

I bought these to build an upgrade to the filament feeder in my Ultimaker 3D printer. Works great. Really good price.

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