Angular Contact Steel Ball Bearing 7007C-2RZ DBB

The Angular Contact Steel Ball Bearing 7007C-2RZ DBB is meticulously designed for high-precision, high-speed applications. With an inside diameter of 35mm and an outside diameter of 62mm, this bearing provides superior strength and reliability in demanding mechanical systems. It is engineered to withstand both radial and axial loads, making it an essential component for CNC spindle assemblies and robotics. The non-contact 2RZ seals ensure efficient operation at speeds up to 34000 RPM without excessive heat buildup.

High-strength steel ball construction
35mm Bore x 62mm OD x 14mm Width
2RZ non-contact seals for high-speed protection
Optimized contact angle for load distribution
High limiting speed (34000 RPM)
Engineered for low vibration performance

⚡ Quick Technical Datasheet:

Power OutputN/A

Max SpeedN/A

Voltage RatingN/A

Collet InterfaceER Standard

Shop Now

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 0.155 kg \| sealingType: 2RZ (Non-contact seal) \| precisionClass: P4 / DBB
INSIDE DIAMETER	35 mm
OUTSIDE DIAMETER	62 mm
WIDTH DIMENSION	14 mm
MAX SPEED GREASE	34000 RPM
BASIC LOAD RATING CR	11.2 KN
BASIC LOAD RATING COR	7.9 KN
BEARING TYPE	Angular Contact Steel Ball
BALL MATERIAL	Hardened Chrome Steel
RING MATERIAL	High-Carbon Steel

Industrial Applications

Usage Scenario	Target Industry
High-Speed CNC Spindle Units	Machine Tool Manufacturing
Robotics and Automated Systems	Automotive Production
Precision Lathes and Milling Centers	Industrial Automation
Industrial Electric Motors	Aerospace and Defense
Aerospace Mechanical Components	Electronics Manufacturing
Automotive Powertrain Assemblies	General Engineering

Technical FAQ & Operational Guide

What is the speed limit for the 7007C-2RZ DBB bearing?

The bearing is capable of operating at speeds up to 34000 RPM when using grease lubrication, thanks to its precision design and 2RZ non-contact seals.

Does this bearing support combined axial and radial loads?

Yes, its angular contact construction is specifically optimized to handle both radial and axial loads simultaneously, ensuring stability in mechanical systems.

What are the dimensions of this bearing?

The 7007C-2RZ DBB has an inside diameter of 35mm, an outside diameter of 62mm, and a width of 14mm.

How is the rotational balancing calibrated on this spindle motor?

Every spindle motor is dynamically balanced in accordance with the ISO 1940 balancing standard to guarantee vibration-free running and maximum stability at high RPMs.

What are the runout tolerances of the shaft and collet interface?

The internal shaft taper maintains a runout accuracy tolerance of under 0.003mm (3 microns), maintaining precise tool concentricity and preventing premature cutter wear.

What cooling precautions are built-in to prevent heat exhaustion?

Built-in temperature dissipation channels support continuous water/liquid cooling circulation or forced fan airflow, preventing thermal expansion of components.

Is this spindle motor compatible with standard VFD inverters and collets?

Yes, the spindle supports direct electrical integration with standard variable frequency drives (VFD) and accepts industrial ER collets (ER11, ER20, ER25, or ER32) to match standard toolholder dimensions.

Request Quote

Share your requirements, and we’ll provide a tailored quote.

Please wait...

Angular Contact Steel Ball Bearing 7007C-2RZ DBB

High-strength steel ball construction

35mm Bore x 62mm OD x 14mm Width

2RZ non-contact seals for high-speed protection

Optimized contact angle for load distribution

High limiting speed (34000 RPM)

Engineered for low vibration performance

⚡ Quick Technical Datasheet:

Power OutputN/A

Max SpeedN/A

Voltage RatingN/A

Collet InterfaceER Standard

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 Parameter

Engineering Specification Value

MECHANICAL

weight: approx 0.155 kg | sealingType: 2RZ (Non-contact seal) | precisionClass: P4 / DBB

INSIDE DIAMETER

35 mm

OUTSIDE DIAMETER

62 mm

WIDTH DIMENSION

14 mm

MAX SPEED GREASE

34000 RPM

BASIC LOAD RATING CR

11.2 KN

BASIC LOAD RATING COR

7.9 KN

BEARING TYPE

Angular Contact Steel Ball

BALL MATERIAL

Hardened Chrome Steel

RING MATERIAL

High-Carbon Steel

Usage Scenario

Target Industry

High-Speed CNC Spindle Units

Machine Tool Manufacturing

Robotics and Automated Systems

Automotive Production

Precision Lathes and Milling Centers

Industrial Automation

Industrial Electric Motors

Aerospace and Defense

Aerospace Mechanical Components

Electronics Manufacturing

Automotive Powertrain Assemblies

General Engineering