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Product Details, Specifications, and Technical Information

SR4-ZZ Mini Ball Bearing Key Features SR4-ZZ is a Precision Stainless-Steel Ball Bearing manufactured to have both sides Metal Shielded and is pre-lubricated with Grease, allowing it to be ready for use upon delivery. Made from Stainless-Steel, SR4-ZZ is a Miniature Ball Bearing that can withstand both moderate radial and axial loads while providing high performance. Our R Series Inch Sized Miniature Ball Bearings are available Open, Metal Shielded or with Rubber Sealed closures. Applications / Industries SR4-ZZ Miniature Inch Ball Bearings are widely used in various industries and everyday applications such as Electric Fans, Automotives, RC Cars, RC Planes, RC Helicopters, Industrial & Medical Hand Pieces, Surgical Equipment, Household Electrical Appliances, Medical Instruments, Surveillance Systems, Plastic Card Printers, Robotics, Pulmonary Assist Devices, among others.
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Dimension Name Specification
Bearing Trade Number SR4-ZZ
Inner Diameter 0.25
Outer Diameter 0.625
Width 0.196
Lubrication Metal Shielded
Static Load Chevron SRI-2 Grease
Dynamic Load 333 lbf
Speed Limit 38,000 RPM
Closure Type 139 lbf
Material Stainless Steel AISI-440C
Weight/Lineal Foot
0.02 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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