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KOYO 6306ZZ Deep Groove Ball Bearings
KOYO 6306ZZ single-row deep groove ball bearing – shielded (zz). Bore 30mm x OD 72mm x width 19mm. Dynamic load rating 33.3 kN.
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- Bore 30mm x OD 72mm x width 19mm
- Carries radial and axial loads in both directions
- Dynamic load rating 33.3 kN - static 15.0 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 | 6306 |
| Inner Diameter (Bore) | 30 mm |
| Outer Diameter | 72 mm |
| Width | 19 mm |
| Seal Type | ZZ |
| Material | Chrome Steel (AISI 52100) |
| Clearance | CN |
| Dynamic Load Rating (Cr) | 33300 N (33.3 kN) |
| Static Load Rating (C₀) | 15000 N |
| Limiting Speed (Grease) | 9600 rpm |
| Limiting Speed (Oil) | 12000 rpm |
| Fillet Radius (r min) | 1.1 mm |
| Fatigue Load Limit (Cu) | 1.15 kN |
| Weight | 0.346 kg |
| Features & Benefits | Bore 30mm x OD 72mm x width 19mm Carries radial and axial loads in both directions Dynamic load rating 33.3 kN - static 15.0 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 6306ZZ is a single-row deep groove ball bearing with double metal shields (ZZ) – measuring 30mm bore x 72mm outside diameter x 19mm width.
Load ratings: dynamic 33.3 kN (Cr) and static 15.0 kN (C0r) – fatigue load limit 1.15 kN. Limiting speed 9600 rpm with grease lubrication and 12000 rpm with oil lubrication. Minimum fillet radius 1.1mm.
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.
Manufactured by KOYO (JTEKT) in chrome steel to ISO standards.
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