QJ307M RICH 35x80x21

QJ307M RICH – Four Point Contact Ball Bearing – 35 × 80 × 21 mm

Technical Specifications:

• Type: Four point contact ball bearing
• Brand: RICH
• Model Designation: QJ307M
• Inner Diameter (d): 35 mm
• Outer Diameter (D): 80 mm
• Width (B): 21 mm
• Cage Material: Machined brass, guided on the outer ring
• Ring Design: Split inner ring
• Sealing: None (Open)
• Weight: 0.538 kg
• Country of Origin: China

Construction Features:

• Bi-Directional Axial Loading: The specialized four-point raceway geometry allows this single row bearing to support significant axial loads in both directions, often eliminating the need for paired angular contact bearings.
• Outer Ring Guided Brass Cage: Equipped with a high-performance machined brass cage (M) guided by the outer ring, ensuring stable operation and superior performance at high rotational speeds.
• Split Ring Configuration: Features a split inner ring that allows for a larger ball complement, maximizing the load-carrying capacity and facilitating easier mounting in precision assemblies.
• Heavy-Duty Design: Built for reliability and axial rigidity within a robust 35 × 80 × 21 mm footprint, suitable for demanding industrial gearbox and pump applications.

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.