Kerun has conducted in-depth research on two major challenges in bearing heat treatment—deformation and brightness—over years of service to the bearing industry. Based on this research, we specifically developed KR468G, a quenching oil tailored for bearings. This specialized oil is designed for quenching various types of inner and outer bearing rings, effectively minimizing ovality changes during the quenching and cooling process and maintaining excellent surface brightness.
Advantages
● Short Vapor Film Phase, Fast High-Temperature Cooling Rate, and Slower Low-Temperature Cooling Rate: This enables bearing rings to achieve high and uniform surface hardness and sufficient hardening depth while effectively controlling quenching deformation.
● Good Thermal Oxidation Stability: Maintains long-term stable cooling characteristics and has a long service life.
● Bright Finish, Low Oil Carry-Off, and Low Usage Cost.
| Model | KR468G |
| Flash Point Model (open.℃)≥ | 220 |
| Max Cooling Rate (℃/s.℃) | 85(100℃) |
| Kinematic Viscosity (40℃) mm²/s |
typical value 55
|
| Kinematic Viscosity (100℃) mm²/s | 6.0-9.0 |
| Operating Temperature (℃) | 70-100 |
| Application Range | Suitable for general bearing rings and rollers, with high versatility. |
Products that have passed factory inspection should be used within two years. If the product is not used within this period, it must be re-inspected and pass the quality test before use.
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