The NSK NN3014TBKRCC1P4 cylindrical roller bearing is a super precision double row bearing designed for high accuracy spindle applications. It belongs to the NSK NN30 Series and is commonly used in CNC machining equipment, grinding machines, and industrial automation systems where rigidity and rotational accuracy are critical.
This bearing uses a double row cylindrical roller configuration, which increases radial load capacity and improves shaft stability during high speed operation. The P4 precision class ensures extremely tight tolerances for roundness, runout, and dimensional accuracy.
Manufactured from high grade bearing steel, the NN3014TBKRCC1P4 provides reliable performance in demanding environments that require minimal vibration, low friction, and consistent rotational stability.
NSK
NN3014TBKRCC1P4
NN30 Series
Precision Cylindrical Roller Bearings
New OEM
In stock with worldwide shipping available
The P4 tolerance class provides extremely tight dimensional and rotational accuracy, which is required in precision machine tool spindles.
Two rows of cylindrical rollers provide high radial load capacity and increased rigidity compared with single row bearings.
The bearing components are manufactured from hardened steel to improve wear resistance, fatigue strength, and operational reliability.
Roller and raceway design reduces friction and heat generation during high speed rotation.
With dimensions of 70 mm inner diameter, 110 mm outer diameter, and 30 mm width, the bearing supports compact spindle designs.
| Specification | Details |
|---|---|
| Model | NN3014TBKRCC1P4 |
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Precision Class | P4 Super Precision |
| Inner Diameter | 70 mm |
| Outer Diameter | 110 mm |
| Width | 30 mm |
| Dynamic Load Rating | 213 kN |
| Static Load Rating | 222 kN |
| Limiting Speed Grease | 6,500 rpm |
| Material | High Grade Bearing Steel |
Cylindrical roller bearings use line contact between the rollers and raceways. This design allows the bearing to support high radial loads while maintaining rotational accuracy.
The double row arrangement improves load distribution and increases stiffness in spindle assemblies. This design is commonly used in machine tool spindles where precise positioning is required.
Super precision bearings reduce vibration and shaft runout, which directly improves machining accuracy and surface finish quality.
Used in spindle assemblies that require high rotational accuracy during milling and turning operations.
Supports grinding wheels that require stable rotation and minimal vibration.
Installed in precision motion systems and robotic joints requiring high rigidity.
Used in equipment that requires precise positioning and consistent mechanical movement.
Proper shaft and housing fits are required to maintain bearing precision and avoid deformation of the raceways.
Grease lubrication allows operating speeds up to 6,500 rpm. Oil mist or oil air lubrication systems can support higher speed operation.
Super precision bearings should be installed in clean environments to prevent contamination and premature wear.
The P4 precision class minimizes runout and improves positioning accuracy in high precision equipment.
High quality steel and optimized internal geometry reduce wear during continuous operation.
Low friction roller design improves energy efficiency and reduces thermal expansion during high speed operation.
The double row cylindrical roller design supports heavy radial loads in demanding mechanical systems.
P4 indicates a super precision bearing grade with tighter tolerances for roundness, dimensional accuracy, and rotational runout compared with standard bearings.
Yes. When grease lubricated the bearing can operate at speeds up to 6,500 rpm. Oil based lubrication systems may allow higher operating speeds depending on system design.
Yes. The double row cylindrical roller design provides high radial load capacity with a dynamic load rating of 213 kN.
NSK NN3014TBKRCC1P4 cylindrical roller bearing
product identification and technical specification information
OEM packaging when supplied as a new unit
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