The NTN 6301 ZZCM/5K deep groove ball bearing is a high-performance single-row radial ball bearing engineered for smooth rotational performance, low friction, and long operational life in industrial and automotive applications. Designed with double metal shields (ZZ type), the bearing provides effective protection against dust and contaminants while retaining lubrication for maintenance-free operation. The CM internal clearance ensures optimized running accuracy and reduced vibration, making it ideal for electric motors and precision rotating equipment. Pre-lubricated with NTN 5K grease, the bearing delivers stable high-speed performance and reliable durability under continuous operating conditions. Its compact standardized design enables wide compatibility across machinery, pumps, conveyors, fans, gearboxes, and automation systems.
Product Specifications
| Specification | Details |
| Brand | NTN |
| Model | 6301 ZZCM/5K |
| Product Type | Deep Groove Ball Bearing |
| Bearing Type | Single Row Ball Bearing |
| Inner Diameter | 12 mm |
| Outer Diameter | 37 mm |
| Width | 12 mm |
| Shield Type | Double Metal Shielded (ZZ) |
| Internal Clearance | CM |
| Lubrication Type | Pre-Greased (5K Grease) |
| Cage Material | Pressed Steel |
| Material | High Carbon Chromium Bearing Steel |
| Bearing Series | 6300 Series |
| Dynamic Load Rating | Approx. 10.8 kN |
| Static Load Rating | Approx. 4.2 kN |
| Limiting Speed | Approx. 19000 RPM |
| Noise Level | Low Noise Operation |
| Precision Grade | Standard Precision |
| Operating Temperature | -20°C to +120°C |
| Applications | Motors, Pumps, Fans, Conveyors |
| Country of Brand Origin | Japan |