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KOYO 60/28ZZ Deep Groove Ball Bearings
KOYO 60/28ZZ single-row deep groove ball bearing – shielded (zz). Bore 28mm x OD 52mm x width 12mm. Dynamic load rating 15.6 kN.
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- Bore 28mm x OD 52mm x width 12mm
- Carries radial and axial loads in both directions
- Dynamic load rating 15.6 kN - static 7.40 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 | 60/28 |
| Inner Diameter (Bore) | 28 mm |
| Outer Diameter | 52 mm |
| Width | 12 mm |
| Seal Type | ZZ |
| Material | Chrome Steel (AISI 52100) |
| Clearance | CN |
| Dynamic Load Rating (Cr) | 15600 N (15.6 kN) |
| Static Load Rating (C₀) | 7400 N |
| Limiting Speed (Grease) | 14000 rpm |
| Limiting Speed (Oil) | 16000 rpm |
| Fillet Radius (r min) | 0.6 mm |
| Fatigue Load Limit (Cu) | 0.480 kN |
| Weight | 0.097 kg |
| Features & Benefits | Bore 28mm x OD 52mm x width 12mm Carries radial and axial loads in both directions Dynamic load rating 15.6 kN - static 7.40 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 60/28ZZ is a single-row deep groove ball bearing with double metal shields (ZZ) – measuring 28mm bore x 52mm outside diameter x 12mm width.
Load ratings: dynamic 15.6 kN (Cr) and static 7.40 kN (C0r) – fatigue load limit 0.480 kN. Limiting speed 14000 rpm with grease lubrication and 16000 rpm with oil lubrication. Minimum fillet radius 0.6mm.
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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