309S MRC Single Row Ball Bearing Radial Open Cage Metal Enclosure 45 Mm ID X 100 Mm OD X 25 Mm Wide For Precision Machinery And Industrial Applications

309S MRC Single Row Ball Bearing Open Type for Machinery
✔️ 45 mm bore, 100 mm OD, 25 mm width; open, unsealed, ABEC 1 Pack 1

The MRC 309S is a single row radial ball bearing with an open cage, designed for heavy radial loads and moderate thrust in machine tools and industrial equipment. It features a 45 mm bore, 100 mm outer diameter, and a 25 mm width, making it a compact, durable choice for reliable rotation.

✅ bore 45 mm
✅ outer diameter 100 mm
✅ width 25 mm
✅ enclosure Open
✅ seal type Unsealed
✅ cage Metal
✅ material Steel
✅ precision ABEC 1
✅ dynamic load rating 11900 lbf
✅ static load rating 7080 lbf
✅ limiting speed Grease 6700 rpm
✅ limiting speed Oil 8000 rpm
✅ lockings None

💡 What is a standard bearing used for in machinery and how does a single row ball bearing handle loads? This handy guide covers the basics and practical notes.
Used to support radial loads in rotating shafts
Can handle bidirectional thrust with proper design
Lubrication and clearance choices affect speed and life
Open designs require regular maintenance to ensure longevity