NSK 7900CTYNSULP4 NSKHPS

NSK 7900CTYNSULP4 High-Precision Bearing

Description

The NSK 7900CTYNSULP4 is a single-row angular contact ball bearing from the NSKHPS (High Performance Standard) series. It is engineered for superior accuracy, high speed, and extended service life. With its P4 precision class and 15-degree contact angle, this bearing is an ideal choice for demanding applications such as machine tool spindles, high-frequency motors, and other precision rotating machinery.

Specifications

• Bore Diameter (d): 10 mm
• Outside Diameter (D): 22 mm
• Width (B): 6 mm
• Contact Angle: 15 degrees (Code C)
• Cage Material: Polyamide Resin (Code TYN)
• Precision Class: P4 (ISO Class 4)
• Arrangement: Single Universal Matching (Code SUL)
• Preload: Light

Label Info

• Manufacturer: NSK
• Type Number: 7900CTYNSULP4
• Series: NSKHPS

Application

This bearing is primarily designed for use in machine tool main spindles, precision measuring instruments, and other applications that demand high rotational accuracy and speed.

Country of Origin

Made in Japan.

CO2 Impact

By purchasing this remanufactured or surplus bearing, you contribute to a circular economy, avoiding approximately 0.02 kg of CO2 emissions compared to a new production. This saving is equivalent to charging a smartphone more than two times.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

Question?

What does the ‘SUL’ suffix in 7900CTYNSULP4 mean?

Answer:

‘SUL’ indicates a single universally matchable bearing with a light preload. This means it can be mounted individually or paired in DB (back-to-back), DF (face-to-face), or DT (tandem) arrangements to handle combined loads and achieve specific rigidity.

Question?

Why is a P4 precision class important for this bearing?

Answer:

The P4 (ISO Class 4) precision class signifies very high dimensional and running accuracy. This is critical for applications like machine tool spindles where minimal runout and high rotational speed capability are required to ensure precise machining results.

Question?

What are the handling and installation requirements for a high-precision bearing like this?

Answer:

High-precision bearings must be handled in a clean environment to prevent contamination. They should only be unpacked immediately before installation. It’s crucial to use proper tools, like induction heaters or precision presses, and to follow the manufacturer’s specified mounting procedures to avoid damage and ensure optimal performance and lifespan.

Last Update: Friday, March 13, 2026

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