Description
Overview:
The 6309 C3 Deep Groove Ball Bearing is a single-row, open-type bearing designed for smooth, low-friction rotation in a wide range of machinery. This Genuine NTN part (MPN: NTN6309C3) is manufactured to high standards using quality bearing steel for strength, wear resistance, and consistent performance. With a 45 mm inner diameter, 100 mm outer diameter, and 25 mm width, it suits many electric motors, pumps, gearboxes, conveyors, and agricultural or garden equipment. The open face allows easy inspection and re-lubrication in service, while the C3 internal clearance provides extra running clearance to cope with heat and speed. A reliable choice for workshop repairs and maintenance, it offers stable operation in demanding industrial and site environments.
Key Features:
- Genuine NTN bearing for consistent quality and traceability
- Size: 45 mm ID x 100 mm OD x 25 mm width (6309 series, single row)
- Open face design for straightforward inspection and re-greasing
- C3 internal clearance to accommodate thermal expansion and higher speeds
- Deep groove raceways for high radial load capacity and moderate axial loads
- Smooth running to reduce vibration and wear on associated components
- Hardened bearing steel construction for durability and long service life
- Industry-standard metric dimensions for straightforward replacement and fitment
- Suited to general-purpose use in motors, pumps, gearboxes, and conveyors
- Reliable performance when correctly installed and lubricated
Typical Applications:
Commonly used in electric motors, pumps, compressors, industrial gearboxes, fans, blowers, conveyors, generators, woodworking and metalworking machinery, agricultural implements, and construction equipment. Ideal where a robust, open-type deep groove bearing is required for dependable radial load support with modest axial capability, regular inspection, and periodic lubrication.
Also known as:
Radial ball bearing, single-row radial, 6309 series metric bearing, open ball raceway, 45×100×25 deep groove, open-type radial unit, motor bearing (6309 C3), machinery spindle bearing (open), general-purpose metric ball bearing.
Alternate Part Numbers:
6309 C3
Product Specifications
| L&S Part No. | 6309C3 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | NTN |
| OEM No. | NTN6309C3 |
| Unit of Sale | 1 |
| Size | ID: 45mm x OD: 100mm x Width: 25mm |
| Key Features | - 45 mm ID x 100 mm OD x 25 mm width - C3 internal clearance for thermal expansion - Open face for easy inspection and re-lubrication - Deep groove raceways for high radial load capacity - Hardened bearing steel for durability and wear resistance |
