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KOYO 6804ZZ Deep Groove Ball Bearings
KOYO 6804ZZ single-row deep groove ball bearing – shielded (zz). Bore 20mm x OD 32mm x width 7mm. Dynamic load rating 5.00 kN.
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- Bore 20mm x OD 32mm x width 7mm
- Carries radial and axial loads in both directions
- Dynamic load rating 5.00 kN - static 2.45 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 | 6804 |
| Inner Diameter (Bore) | 20 mm |
| Outer Diameter | 32 mm |
| Width | 7 mm |
| Seal Type | ZZ |
| Material | Chrome Steel (AISI 52100) |
| Clearance | CN |
| Dynamic Load Rating (Cr) | 5000 N (5.00 kN) |
| Static Load Rating (C₀) | 2450 N |
| Limiting Speed (Grease) | 21000 rpm |
| Limiting Speed (Oil) | 25000 rpm |
| Fillet Radius (r min) | 0.3 mm |
| Fatigue Load Limit (Cu) | 0.100 kN |
| Weight | 0.018 kg |
| Features & Benefits | Bore 20mm x OD 32mm x width 7mm Carries radial and axial loads in both directions Dynamic load rating 5.00 kN - static 2.45 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 6804ZZ is a single-row deep groove ball bearing with double metal shields (ZZ) – measuring 20mm bore x 32mm outside diameter x 7mm width.
Load ratings: dynamic 5.00 kN (Cr) and static 2.45 kN (C0r) – fatigue load limit 0.100 kN. Limiting speed 21000 rpm with grease lubrication and 25000 rpm with oil lubrication. Minimum fillet radius 0.3mm.
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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