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KOYO 6910ZZ Deep Groove Ball Bearings
KOYO 6910ZZ single-row deep groove ball bearing – shielded (zz). Bore 50mm x OD 72mm x width 12mm. Dynamic load rating 18.2 kN.
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- Bore 50mm x OD 72mm x width 12mm
- Carries radial and axial loads in both directions
- Dynamic load rating 18.2 kN - static 11.7 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 | 6910 |
| Inner Diameter (Bore) | 50 mm |
| Outer Diameter | 72 mm |
| Width | 12 mm |
| Seal Type | ZZ |
| Material | Chrome Steel (AISI 52100) |
| Clearance | CN |
| Dynamic Load Rating (Cr) | 18200 N (18.2 kN) |
| Static Load Rating (C₀) | 11700 N |
| Limiting Speed (Grease) | 9000 rpm |
| Limiting Speed (Oil) | 11000 rpm |
| Fillet Radius (r min) | 0.6 mm |
| Fatigue Load Limit (Cu) | 0.640 kN |
| Weight | 0.133 kg |
| Features & Benefits | Bore 50mm x OD 72mm x width 12mm Carries radial and axial loads in both directions Dynamic load rating 18.2 kN - static 11.7 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 6910ZZ is a single-row deep groove ball bearing with double metal shields (ZZ) – measuring 50mm bore x 72mm outside diameter x 12mm width.
Load ratings: dynamic 18.2 kN (Cr) and static 11.7 kN (C0r) – fatigue load limit 0.640 kN. Limiting speed 9000 rpm with grease lubrication and 11000 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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