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KOYO 6040ZZXC3 Deep Groove Ball Bearings
KOYO 6040ZZXC3 single-row deep groove ball bearing – shielded (zzx). Bore 200mm x OD 310mm x width 51mm. Dynamic load rating 272 kN. C3 internal clearance.
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| Brand | Koyo JTEKT |
|---|---|
| Bearing Type | Deep Groove Ball Bearings |
| Series | 6040 |
| Inner Diameter (Bore) | 200 mm |
| Outer Diameter | 310 mm |
| Width | 51 mm |
| Seal Type | ZZX |
| Material | Chrome Steel (AISI 52100) |
| Clearance | C3 |
| Dynamic Load Rating (Cr) | 272000 N (272 kN) |
| Static Load Rating (C₀) | 243000 N |
| Limiting Speed (Grease) | 1900 rpm |
| Limiting Speed (Oil) | 2300 rpm |
| Fillet Radius (r min) | 2.1 mm |
| Fatigue Load Limit (Cu) | 11.3 kN |
| Weight | 14.0 kg |
The KOYO 6040ZZXC3 is a single-row deep groove ball bearing with double metal shields (ZZX) – measuring 200mm bore x 310mm outside diameter x 51mm width.
Load ratings: dynamic 272 kN (Cr) and static 243 kN (C0r) – fatigue load limit 11.3 kN. Limiting speed 1900 rpm with grease lubrication and 2300 rpm with oil lubrication. Minimum fillet radius 2.1mm.
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.
C3 internal clearance: this bearing is supplied with greater than normal (CN) internal radial clearance. C3 suits applications with an interference fit on the shaft or in the housing – a temperature differential between the inner and outer rings – or shaft expansion under load – where the extra clearance prevents the bearing from becoming preloaded in service.
Manufactured by KOYO (JTEKT) in chrome steel to ISO standards.
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