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TPI Precision Bearings 7209 C

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TPI Precision Bearings 7209 C Specification

Retainer
Polyamide/Steel

Cage Material
Phenolic Resin / Polyamide

Precision Rating
ISO P4/P5

Thickness
19 mm

Inside Diameter
45 mm

Lubrication Type
Grease/Oil

Bearing Type
Precision Ball Bearing

Material
Chrome Steel (GCr15)

Structure
Angular Contact

Seals Type
Open

Number Of Rows
Single Row

Bore Size
45 mm

Outside Diameter
85 mm

Limiting Speed
12,000 rpm (Grease), 15,000 rpm (Oil)

Load Capacity
Medium-High

About TPI Precision Bearings 7209 C

TPI Precision Bearings 7209 C

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

Bearing No

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 )

7209C

120

(-7 )

245

(-16 )

655

102

( -35)

1265

142

(-55)

Exceptional Performance for Precision Applications

The TPI 7209 C Precision Bearing is ideal for environments where accuracy, speed, and load capacity are critical. Its robust construction and high limiting speeds make it suitable for precision equipment, from machine tool spindles to high-speed motors. Users benefit from reliable performance and long operational life, ensuring equipment runs smoothly even under heavy loads and high speeds.

Reliable Construction and Advanced Materials

Constructed from high-quality chrome steel (GCr15) and through hardened for durability, the 7209 C bearing offers strength and stability. Its polished finish and ISO P4/P5 precision rating guarantee minimal friction and enhanced accuracy. Combined with phenolic resin or polyamide cages, the design ensures smooth rotation and compatibility with both grease and oil lubrication.

FAQs of TPI Precision Bearings 7209 C:

Q: How should the TPI 7209 C bearing be mounted in precision machinery?

A: The TPI 7209 C bearing is designed for press fit or interference fit mounting. Carefully align the bearing with the shaft or housing, and use controlled pressure to ensure a secure fit. Avoid excessive force to prevent bearing damage, and ensure the fitment area is clean for optimal performance.

Q: What are the primary applications of the TPI 7209 C precision bearing?

A: The TPI 7209 C is primarily used in machine tool spindles, precision measurement equipment, and high-speed motors. Its accuracy and speed capabilities make it ideal for equipment where stability, precision, and operation at high RPMs are necessary.

Q: When should grease or oil lubrication be used with the 7209 C bearing?

A: Grease lubrication is suitable for most general high-speed applications, providing protection up to 12,000 rpm. For higher speed operations, where temperatures or load demands increase, oil lubrication is recommended, supporting speeds up to 15,000 rpm and improving cooling and performance.

Q: Where in India can I purchase TPI 7209 C bearings from authorized suppliers?

A: TPI 7209 C bearings are available through authorized distributors, importers, and suppliers across India. Ensure you source from recognized partners to obtain genuine, high-quality bearings backed by manufacturer support.

Q: What benefits does the 15 contact angle provide for this bearing?

A: A 15 contact angle in the 7209 C bearing offers enhanced axial load capacity and stability at high speeds. It is particularly beneficial for applications requiring precise control and efficient handling of combined radial and axial loads.

Q: What is the process for maintaining optimal performance of the 7209 C bearing?

A: To maintain optimal performance, regularly check lubrication levels, ensure that contaminants do not enter the open-type bearing, and monitor for early signs of wear. Routine inspection and timely lubrication will maximize lifespan and efficiency.

Q: What distinguishes the 7209 Cs structure and materials from standard bearings?

A: The 7209 C features an angular contact, single-row structure for superior precision. Manufactured from through-hardened chrome steel with phenolic resin or polyamide cages, it achieves higher speed, load ratings, and longevity compared to standard bearings.

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