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KOYO 6228ZZX Deep Groove Ball Bearings
KOYO 6228ZZX single-row deep groove ball bearing – shielded (zzx). Bore 140mm x OD 250mm x width 42mm. Dynamic load rating 208 kN.
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- Bore 140mm x OD 250mm x width 42mm
- Carries radial and axial loads in both directions
- Dynamic load rating 208 kN - static 150 kN
- KOYO (JTEKT) chrome steel quality
- Metal shields retain grease and exclude dust - permitting higher speeds
- Single-row deep groove ball bearing - Shielded (ZZX)
| Brand | Koyo JTEKT |
|---|---|
| Bearing Type | Deep Groove Ball Bearings |
| Series | 6228 |
| Inner Diameter (Bore) | 140 mm |
| Outer Diameter | 250 mm |
| Width | 42 mm |
| Seal Type | ZZX |
| Material | Chrome Steel (AISI 52100) |
| Clearance | CN |
| Dynamic Load Rating (Cr) | 208000 N (208 kN) |
| Static Load Rating (C₀) | 150000 N |
| Limiting Speed (Grease) | 2400 rpm |
| Limiting Speed (Oil) | 2900 rpm |
| Fillet Radius (r min) | 3 mm |
| Fatigue Load Limit (Cu) | 8.65 kN |
| Weight | 7.45 kg |
| Features & Benefits | Bore 140mm x OD 250mm x width 42mm Carries radial and axial loads in both directions Dynamic load rating 208 kN - static 150 kN KOYO (JTEKT) chrome steel quality Metal shields retain grease and exclude dust - permitting higher speeds Single-row deep groove ball bearing - Shielded (ZZX) |
The KOYO 6228ZZX is a single-row deep groove ball bearing with double metal shields (ZZX) – measuring 140mm bore x 250mm outside diameter x 42mm width.
Load ratings: dynamic 208 kN (Cr) and static 150 kN (C0r) – fatigue load limit 8.65 kN. Limiting speed 2400 rpm with grease lubrication and 2900 rpm with oil lubrication. Minimum fillet radius 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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