Angular Contact Steel Ball Bearing 7001C-2RZ DBB
The Angular Contact Steel Ball Bearing 7001C-2RZ DBB is a high-precision micro-bore component engineered for ultra-high-speed industrial applications. Featuring a 12mm inside diameter and a compact 28mm outside diameter, this bearing is constructed from premium high-carbon chrome steel to provide maximum strength and fatigue resistance. The 'C' contact angle is specifically optimized for high-speed stability and efficient handling of combined radial and axial loads. Its 2RZ double rubber non-contact seals enable an extraordinary limiting speed of 80,000 RPM while maintaining a low-friction environment and providing essential protection against dust. Certified to P4 precision standards, it is the ideal choice for micro-CNC spindles, high-speed dental equipment, robotics, and precision scientific instruments.
- Hardened high-carbon chrome steel rings and balls
- 12mm Bore x 28mm OD x 8mm Width
- 2RZ non-contact rubber seals for thermal efficiency
- Optimized C-type contact angle for ultra-high speed
- Limiting speed of 80,000 RPM (Grease Lubrication)
- Engineered for micro-precision and low-vibration operation
Comparative Technical Spindle Motor Configurations Matrix
Use the structural data catalog matrix below to evaluate power outputs, maximum RPM, operating voltages, and cooling styles across standard TriQuench CNC spindle models.
| Spindle Capacity | Operating Speed | Operating Voltage | Cooling System |
|---|---|---|---|
| 12.0 kW | 18,000 RPM | 380 V | Water-Cooled |
| 0.8 kW | 24,000 RPM | 220 V | Air-Cooled (Long Shaft) |
| 3.7 kW | 40,000 RPM | 380 V | Water-Cooled ISO20 |
| 9.0 kW | 18,000 RPM | 380 V | Air-Cooled |
Technical Specifications
| Technical Parameter | Engineering Specification Value |
|---|---|
| MECHANICAL | weight: approx 0.02 kg | sealingType: 2RZ (Double non-contact seal) | precisionClass: P4 / DBB |
| INSIDE DIAMETER | 12 mm |
| OUTSIDE DIAMETER | 28 mm |
| WIDTH DIMENSION | 8 mm |
| MAX SPEED GREASE | 80000 RPM |
| BASIC LOAD RATING CR | 3.8 KN |
| BASIC LOAD RATING COR | 1.7 KN |
| BEARING TYPE | Angular Contact Steel Ball |
| BALL MATERIAL | Hardened Chrome Steel (GCR15) |
| RING MATERIAL | High-Carbon Steel |
Industrial Applications
| Usage Scenario | Target Industry |
|---|---|
| Micro-CNC Spindle Assemblies | Precision Electronics and PCB Machining |
| High-Speed Robotics and Actuators | Medical Technology Manufacturing |
| Precision Scientific and Optical Instruments | Industrial Automation and Robotics |
| Dental and Medical High-Speed Handpieces | Aerospace and Defense Instrumentation |
| Automotive Sensors and Performance Micro-Motors | General High-Speed Engineering |
| High-Frequency Laboratory Equipment | General Engineering |
Technical FAQ & Operational Guide
What is the limiting speed for the 7001C-2RZ DBB bearing?
This micro-precision bearing is rated for an exceptional grease-lubricated limiting speed of 80,000 RPM, optimized for ultra-high-speed applications.
What does the 2RZ seal indicate for this 12mm model?
The 2RZ refers to double non-contact rubber seals. They protect the bearing from dust and contaminants while allowing it to reach 80,000 RPM without the friction and heat of a standard contact seal.
What are the exact dimensions of the 7001 model?
The 7001C-2RZ DBB has an inside diameter of 12mm, an outside diameter of 28mm, and a width of 8mm.
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