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KOYO 6309ZZ Deep Groove Ball Bearings
KOYO 6309ZZ single-row deep groove ball bearing – shielded (zz). Bore 45mm x OD 100mm x width 25mm. Dynamic load rating 61.1 kN.
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- Bore 45mm x OD 100mm x width 25mm
- Carries radial and axial loads in both directions
- Dynamic load rating 61.1 kN - static 29.5 kN
- KOYO (JTEKT) chrome steel quality
- Metal shields retain grease and exclude dust - permitting higher speeds
- Single-row deep groove ball bearing - Shielded (ZZ)
| Brand | Koyo JTEKT |
|---|---|
| Bearing Type | Deep Groove Ball Bearings |
| Series | 6309 |
| Inner Diameter (Bore) | 45 mm |
| Outer Diameter | 100 mm |
| Width | 25 mm |
| Seal Type | ZZ |
| Material | Chrome Steel (AISI 52100) |
| Clearance | CN |
| Dynamic Load Rating (Cr) | 61100 N (61.1 kN) |
| Static Load Rating (C₀) | 29500 N |
| Limiting Speed (Grease) | 6800 rpm |
| Limiting Speed (Oil) | 8100 rpm |
| Fillet Radius (r min) | 1.5 mm |
| Fatigue Load Limit (Cu) | 2.25 kN |
| Weight | 0.833 kg |
| Features & Benefits | Bore 45mm x OD 100mm x width 25mm Carries radial and axial loads in both directions Dynamic load rating 61.1 kN - static 29.5 kN KOYO (JTEKT) chrome steel quality Metal shields retain grease and exclude dust - permitting higher speeds Single-row deep groove ball bearing - Shielded (ZZ) |
The KOYO 6309ZZ is a single-row deep groove ball bearing with double metal shields (ZZ) – measuring 45mm bore x 100mm outside diameter x 25mm width.
Load ratings: dynamic 61.1 kN (Cr) and static 29.5 kN (C0r) – fatigue load limit 2.25 kN. Limiting speed 6800 rpm with grease lubrication and 8100 rpm with oil lubrication. Minimum fillet radius 1.5mm.
Deep groove ball bearings are the most widely used bearing type – carrying radial and axial loads in both directions with low friction and high running accuracy. The metal shields retain the factory-filled grease and keep out dust and debris while allowing higher speeds than a contact seal.
Manufactured by KOYO (JTEKT) in chrome steel to ISO standards.
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