4 Pcs R8-2RS Bearings 1/2" ID x1-1/8" OD x 5/16" Thick Small Bearings Double Rubber Sealed Miniature Ball Bearing for Motor, Bicycle, DIY, Garden Machinery, etc.
Brand: Donepart

Donepart deep groove ball bearing offers high quality, high speed, low noise bearings, pillow block, repair kits, steel balls and related parts, reduce maintenance costs and replacement frequency, creating more value for you.
Feathers:
1. Single-row, pre-lubricated, normal accuracy.
2. This R8-2RS 1/2x1-1/8x5/16 -inch sealed ball bearing has deep groove geometry for high speeds and supporting both radial and axial loads. The bearing is made of Bearing steel for durability and resistance to deformity under heavy loads.
3. Deep Groove Ball Bearings are one of the most widely used rolling bearings. They are used to accommodate radial and axial loads in both directions.
4. With small friction and high-limit speed, Ball Bearings are cost-effective and require little maintenance.
5. Suitable for all kinds of industrial equipment, micro motor, small rotary motor, office equipment and so on.
Note: these are ABEC1 bearings, they can not be used on high speed motors and electrical appliance.

Specifications:
Type: Inch Deep Groove Ball Bearings
Lubrication: Lubricated (Grease)
Dimensions: 12.7x28.575x7.938 mm
ID (inner diameter)/Bore: 0.5 inch
OD (outer diameter): 1.125 inch
Width/Height/thickness: 0.25 inch
Package Content :
4 x R8-2RS Deep Groove Ball Bearing

Model: R8-2RS deep groove ball bearings. 1/2 inches x 1-1/8 inches x 5/16 inches
Deep groove geometry for high speeds and supporting both radial and axial loads
Metal shields on both sides of the bearing to keep lubricant in and contaminants out, lubricated at manufacturer for no additional lubrication required
This metal bearing Shields on both sides keeping lubricant in and contaminants out. Pre-Lubricated for no additional lubrication required.
Wide Range of Applications: Home Appliances, Garden Machinery, Outdoor Vehicles, Electric Toys & Tool ,Industrial Production and More.