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Product Details, Specifications, and Technical Information

FR155 Mini Ball Bearing Key Features FR155 is a Precision Miniature Flanged Ball Bearing manufactured to have both sides Open and is pre-lubricated with Light-Oil allowing it to be ready for use upon delivery. Made from Chrome Steel, FR155 is an FR Series Miniature Flanged Ball Bearing that features a Steel Flange located on the outer ring of the bearing to allow for easier locating on a housing while also preventing any axial movement of the bearing in the event of a thrust load being put onto it. Applications / Industries FR155 Miniature Inch ball bearings are widely used in various industries and everyday applications such as Miniature Engines, Robotics, Dental Equipment, Watches, 3D Printers, Testing Instruments, Pressure Rotors, Household Electrical Appliances, Surveillance Systems, among others.
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Dimension Name Specification
Bearing Trade Number FR155
Outer Diameter 0.3125
Width 0.109375
Lubrication Open
Static Load Light-Oil
Dynamic Load 82 lbf
Speed Limit 53,000 RPM
Closure Type 33 lbf
Material Chrome Steel SAE-52100
Weight/Lineal Foot
0.05 pounds
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.
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