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KOYO 6018ZZ Deep Groove Ball Bearings
KOYO 6018ZZ single-row deep groove ball bearing – shielded (zz). Bore 90mm x OD 140mm x width 24mm. Dynamic load rating 72.8 kN.
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- Bore 90mm x OD 140mm x width 24mm
- Carries radial and axial loads in both directions
- Dynamic load rating 72.8 kN - static 49.7 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 | 6018 |
| Inner Diameter (Bore) | 90 mm |
| Outer Diameter | 140 mm |
| Width | 24 mm |
| Seal Type | ZZ |
| Material | Chrome Steel (AISI 52100) |
| Clearance | CN |
| Dynamic Load Rating (Cr) | 72800 N (72.8 kN) |
| Static Load Rating (C₀) | 49700 N |
| Limiting Speed (Grease) | 4700 rpm |
| Limiting Speed (Oil) | 5600 rpm |
| Fillet Radius (r min) | 1.5 mm |
| Fatigue Load Limit (Cu) | 2.65 kN |
| Weight | 1.16 kg |
| Features & Benefits | Bore 90mm x OD 140mm x width 24mm Carries radial and axial loads in both directions Dynamic load rating 72.8 kN - static 49.7 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 6018ZZ is a single-row deep groove ball bearing with double metal shields (ZZ) – measuring 90mm bore x 140mm outside diameter x 24mm width.
Load ratings: dynamic 72.8 kN (Cr) and static 49.7 kN (C0r) – fatigue load limit 2.65 kN. Limiting speed 4700 rpm with grease lubrication and 5600 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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