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KOYO 6928-1ZZ Deep Groove Ball Bearings
KOYO 6928-1ZZ single-row deep groove ball bearing – shielded (zz). Bore 140mm x OD 190mm x width 24mm. Dynamic load rating 83.3 kN.
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- Bore 140mm x OD 190mm x width 24mm
- Carries radial and axial loads in both directions
- Dynamic load rating 83.3 kN - static 71.6 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 | 6928-1 |
| Inner Diameter (Bore) | 140 mm |
| Outer Diameter | 190 mm |
| Width | 24 mm |
| Seal Type | ZZ |
| Material | Chrome Steel (AISI 52100) |
| Clearance | CN |
| Dynamic Load Rating (Cr) | 83300 N (83.3 kN) |
| Static Load Rating (C₀) | 71600 N |
| Limiting Speed (Grease) | 3200 rpm |
| Limiting Speed (Oil) | 3800 rpm |
| Fillet Radius (r min) | 1.5 mm |
| Fatigue Load Limit (Cu) | 2.90 kN |
| Weight | 1.98 kg |
| Features & Benefits | Bore 140mm x OD 190mm x width 24mm Carries radial and axial loads in both directions Dynamic load rating 83.3 kN - static 71.6 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 6928-1ZZ is a single-row deep groove ball bearing with double metal shields (ZZ) – measuring 140mm bore x 190mm outside diameter x 24mm width.
Load ratings: dynamic 83.3 kN (Cr) and static 71.6 kN (C0r) – fatigue load limit 2.90 kN. Limiting speed 3200 rpm with grease lubrication and 3800 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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