SW R4-2RS Sealed Inch Miniature Ball Bearing | 1/4" Bore x 5/8" OD
The SW R4-2RS is a precision sealed radial ball bearing, adhering strictly to the common R-series inch dimension standard. This high-performance component features a 1/4-inch (6.35 mm) bore, a 5/8-inch (15.875 mm) outer diameter, and a compact width of 0.196 inches (5.00 mm). The critical '-2RS' designation indicates that this bearing is equipped with dual, contact-type synthetic rubber seals on both sides, offering superior retention of the factory-applied lubrication and excellent protection against common industrial contaminants like dust, moisture, and fine particulates. Constructed from robust SAE 52100 high-carbon chrome steel, the R4-2RS is engineered for enhanced durability and reliable operation in challenging environments.
Ideal for applications demanding high reliability and minimal maintenance, this miniature bearing excels in small DC motors, robotics, 3D printing equipment, dental tools, and precision measurement instruments where space is limited and contamination is a concern. The precision tolerances ensure smooth, quiet operation, making it a critical choice for noise-sensitive assemblies. Choosing the SW R4-2RS guarantees consistent quality, reduced frictional torque, and maximized service life, providing a cost-effective, premium solution for both OEM installation and crucial MRO (Maintenance, Repair, and Operations) replacements.
Key Features
Precision Ground SAE 52100 Chrome Steel Construction
Dual Rubber Seals (-2RS) for Maximum Contaminant Exclusion
Pre-lubricated and Sealed for Life (Maintenance-Free Operation)
Compliant with Inch Bearing Standards (R-Series)
Suitable for High Speed and Moderate Radial/Axial Loads
Low Friction Design Optimized for Small Motor Applications
