638-2RS Miniature Ball Bearing Key Features 638-2RS is a Miniature Ball Bearing manufactured with rubber seals on both sides and is pre-lubricated with grease allowing it to be ready for use upon delivery. Made from Chrome Steel, 638-2RS is a 600 Series miniature ball bearing meant for light-duty applications but despite being lightweight, it is capable of supporting moderate radial loads. Our 600 Series Mini Ball Bearings have a Larger Outer Diameter to be used in High Speed & Larger Load Capacity Applications. Applications / Industries 638-2RS Miniature ball bearings are widely used in various industries and everyday applications such as Electric Fans, Automotives, RC Planes, RC Helicopters, Wipers, Throttles, Industrial & Medical Hand Pieces, Household Electrical Appliances, Medical Equipment, Robotics, Pulmonary Assist Devices, Cryogenic Coolers, Flow Meters, Fuel Control, among others.
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Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.
Bearing Trade Number
638-2RS
Inner Diameter
8
Outer Diameter
28
Width
9
Lubrication
Rubber Sealed
Static Load
Chevron SRI-2 Grease
Dynamic Load
1,027 lbf
Speed Limit
28,000 RPM
Closure Type
445 lbf
Metal Type
Chrome Steel SAE-52100
Ships
1 Business Day
Brand
Bearings Direct
Weight/Lineal Foot
0.07 pounds
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