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KOYO 6911-2RSC3 Deep Groove Ball Bearings
KOYO 6911-2RSC3 single-row deep groove ball bearing – contact sealed (2rs). Bore 55mm x OD 80mm x width 13mm. Dynamic load rating 20.8 kN. C3 internal clearance.
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| Brand | Koyo JTEKT |
|---|---|
| Bearing Type | Deep Groove Ball Bearings |
| Series | 6911 |
| Inner Diameter (Bore) | 55 mm |
| Outer Diameter | 80 mm |
| Width | 13 mm |
| Seal Type | 2RS |
| Material | Chrome Steel (AISI 52100) |
| Clearance | C3 |
| Dynamic Load Rating (Cr) | 20800 N (20.8 kN) |
| Static Load Rating (C₀) | 14100 N |
| Limiting Speed (Grease) | 4500 rpm |
| Fillet Radius (r min) | 1 mm |
| Fatigue Load Limit (Cu) | 0.760 kN |
| Weight | 0.185 kg |
The KOYO 6911-2RSC3 is a single-row deep groove ball bearing with double contact rubber seals (2RS) – measuring 55mm bore x 80mm outside diameter x 13mm width.
Load ratings: dynamic 20.8 kN (Cr) and static 14.1 kN (C0r) – fatigue load limit 0.760 kN. Limiting speed 4500 rpm with grease lubrication. Minimum fillet radius 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 double contact rubber seals give superior protection against dust – dirt and moisture for contaminated environments – and retain the factory-filled grease for life.
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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