4304TN-2RS RICH 20x52x21

4304TN-2RS RICH – Double Row Deep Groove Ball Bearing – 20 x 52 x 21 mm

Technical Specifications:

• Type: Double row deep groove ball bearing
• Brand: RICH
• Model Designation: 4304TN-2RS
• Inner Diameter (d): 20 mm
• Outer Diameter (D): 52 mm
• Width (B): 21 mm
• Cage Material: Polyamide (TN)
• Sealing: Double-sided rubber, contact type (2RS)
• Weight: 0.21 kg
• Country of Origin: China

Construction Features:

• Component Design: The assembly is outfitted with integrated, double-sided contact rubber seals designed to secure internal grease retention and impede foreign particulate intake.
• Internal Configuration: The layout utilizes a double row arrangement of rolling balls guided by a lightweight, low-friction polyamide cage to optimize rolling stability.
• Dimensional Profile: The physical structure incorporates a 20 mm internal bore, a 52 mm outer diameter, and a combined wide-series axial width of 21 mm.

Transparency Note: This bearing is manufactured under the RICH brand. Any OE or interchangeable references are used solely for identification and do not imply affiliation with other manufacturers.