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KOYO 6028ZZX Deep Groove Ball Bearings
KOYO 6028ZZX single-row deep groove ball bearing – shielded (zzx). Bore 140mm x OD 210mm x width 33mm. Dynamic load rating 137 kN.
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- Bore 140mm x OD 210mm x width 33mm
- Carries radial and axial loads in both directions
- Dynamic load rating 137 kN - static 109 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 | 6028 |
| Inner Diameter (Bore) | 140 mm |
| Outer Diameter | 210 mm |
| Width | 33 mm |
| Seal Type | ZZX |
| Material | Chrome Steel (AISI 52100) |
| Clearance | CN |
| Dynamic Load Rating (Cr) | 137000 N (137 kN) |
| Static Load Rating (C₀) | 109000 N |
| Limiting Speed (Grease) | 3000 rpm |
| Limiting Speed (Oil) | 3600 rpm |
| Fillet Radius (r min) | 2 mm |
| Fatigue Load Limit (Cu) | 4.55 kN |
| Weight | 3.55 kg |
| Features & Benefits | Bore 140mm x OD 210mm x width 33mm Carries radial and axial loads in both directions Dynamic load rating 137 kN - static 109 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 6028ZZX is a single-row deep groove ball bearing with double metal shields (ZZX) – measuring 140mm bore x 210mm outside diameter x 33mm width.
Load ratings: dynamic 137 kN (Cr) and static 109 kN (C0r) – fatigue load limit 4.55 kN. Limiting speed 3000 rpm with grease lubrication and 3600 rpm with oil lubrication. Minimum fillet radius 2mm.
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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