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KOYO 6211ZZ Deep Groove Ball Bearings
KOYO 6211ZZ single-row deep groove ball bearing – shielded (zz). Bore 55mm x OD 100mm x width 21mm. Dynamic load rating 54.2 kN.
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- Bore 55mm x OD 100mm x width 21mm
- Carries radial and axial loads in both directions
- Dynamic load rating 54.2 kN - static 29.4 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 | 6211 |
| Inner Diameter (Bore) | 55 mm |
| Outer Diameter | 100 mm |
| Width | 21 mm |
| Seal Type | ZZ |
| Material | Chrome Steel (AISI 52100) |
| Clearance | CN |
| Dynamic Load Rating (Cr) | 54200 N (54.2 kN) |
| Static Load Rating (C₀) | 29400 N |
| Limiting Speed (Grease) | 6300 rpm |
| Limiting Speed (Oil) | 7600 rpm |
| Fillet Radius (r min) | 1.5 mm |
| Fatigue Load Limit (Cu) | 1.95 kN |
| Weight | 0.607 kg |
| Features & Benefits | Bore 55mm x OD 100mm x width 21mm Carries radial and axial loads in both directions Dynamic load rating 54.2 kN - static 29.4 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 6211ZZ is a single-row deep groove ball bearing with double metal shields (ZZ) – measuring 55mm bore x 100mm outside diameter x 21mm width.
Load ratings: dynamic 54.2 kN (Cr) and static 29.4 kN (C0r) – fatigue load limit 1.95 kN. Limiting speed 6300 rpm with grease lubrication and 7600 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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