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

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Engineering Analysis & Technical Data

Technical Parameter	Specification Details
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

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.

Detailed Overview of Angular Contact Steel Ball Bearing 7001C-2RZ DBB

Advanced Engineering & Integration

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This Spindle Bearing is preferred for .

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