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TPI Precision Bearings 7003 C

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TPI Precision Bearings 7003 C Specification

Lubrication Type
Grease or Oil

Precision Rating
P4

Inside Diameter
17 mm

Cage Material
Steel

Retainer
Steel

Thickness
10 mm

Bearing Type
Precision Ball Bearing

Material
Steel

Structure
Angular Contact

Seals Type
Open

Number Of Rows
Single Row

Bore Size
17 mm

Outside Diameter
35 mm

Limiting Speed
22000 RPM

Load Capacity
High Radial and Axial Load

Contact Angle
15 Degrees (C) Series

ISO Certification
ISO 9001

Dynamic Load Rating (C)
7.35 kN

Standard
GB/T307.1

Application
Machine Tool Spindles, CNC, Robotics

Static Load Rating (Co)
4.10 kN

Finish
Polished

Operating Temperature Range
-30°C to +120°C

About TPI Precision Bearings 7003 C

TPI Precision Bearings 7003 C

Bearing Preload..Rigidity..and Measured Face Side Offset

Bore d (mm)

Preload

Rigidity

Measured

Preload

Rigidity

Measured

Preload

Rigidity

Measured

Preload

Rigidity

Measured

Pro

Rao

offset

Pro

Rao

offset

Pro

Rao

offset

Pro

Rao

offset

(N)

(N/ u m )

( u m )

(N)

(N/ u m )

( u m )

(N)

(N/ u m )

( u m )

(N)

(N/ u m )

( u m )

( -4 )

125

( -12 )

245

(-20)

High-Precision Engineering for Demanding Applications

Engineered with superior precision (P4 rating), the TPI 7003 C Precision Bearing excels in environments like CNC machines and robotics where accuracy is paramount. Its angular contact structure and single-row design ensure optimal performance under high-speed, high-load conditions, while its steel construction and polished finish offer exceptional durability and low friction.

Flexible Usage and Lubrication Options

Designed with an open seal type, this bearing supports both grease and oil lubrication methods, allowing flexibility for diverse operating needs. Its wide temperature tolerance (-30C to +120C) and limiting speed of 22,000 RPM make it suitable for various industrial sectors where both speed and reliability are required.

FAQs of TPI Precision Bearings 7003 C:

Q: How should the TPI 7003 C Precision Bearing be installed in a machine tool spindle?

A: Installation should be performed in a clean environment using appropriate mounting tools to avoid contamination. Align the bearing properly within the housing, apply suitable lubrication (grease or oil), and follow the manufacturers recommended torque settings to optimize bearing life and spindle performance.

Q: What are the advantages of using a 15-degree contact angle in this bearing series?

A: A 15-degree contact angle enhances the bearings ability to withstand combined radial and axial loads at high speeds, making it ideal for applications like CNC spindles and robotics where both precision and load handling are critical.

Q: When is it necessary to use oil lubrication instead of grease for this bearing?

A: Oil lubrication is typically selected over grease when the application demands higher rotational speeds and effective heat dissipation. For continuous high-speed operations or elevated operating temperatures, oil lubrication is recommended for optimal performance and longevity.

Q: Where is the best place to deploy the TPI 7003 C bearing for peak performance?

A: This bearing excels in high-precision machinery such as CNC spindles, automated production lines, and robotics, where both radial and axial loads need to be managed reliably at high speed.

Q: What standards does the TPI 7003 C bearing comply with?

A: This bearing adheres to ISO 9001 and GB/T307.1 standards, ensuring consistent quality, dimensional accuracy, and global compatibility with industrial requirements.

Q: How does the open seal type benefit maintenance procedures?

A: The open seal design allows for easy inspection, cleaning, and re-lubrication, facilitating straightforward maintenance access and prolonging bearing life in environments where routine servicing is feasible.

Q: What is the main benefit of the high P4 precision rating in this bearing?

A: A P4 precision rating ensures minimal runout and tight dimensional tolerances, translating to higher machine accuracy, stability, and smoother operationespecially vital in precision machining and high-speed applications.

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