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RN-0.5x79 BF RN-3x21.8 BF/G2

RN-0.5×79 BF RN-3×21.8 BF/G2

The RN-3×21.8 BF/G2 is a needle roller with a 3mm diameter and 21.8mm length, crafted from high-quality chrome steel. It features flat ends and meets G2 precision standards for smooth operation.

With a hardness of HRC60-65, it offers excellent durability and can handle both axial and radial loads. The roundness of 0.5um ensures minimal friction during use.

Its precise dimensions and tight tolerances make it ideal for compact spaces in machinery or automotive applications. The roller is interchangeable with INA models, providing flexibility for replacements.

Compliant with RoHS standards, it’s a reliable choice for engineers and maintenance teams seeking long-lasting performance. Suitable for use in gearboxes, pumps, or other high-precision mechanisms.

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Product Parameters

  • Part Number RN-3x21.8 BF/G2
  • Brand TFL
  • Interchangeable INA
  • Roller Diameter 3 mm
  • Roller Length 21.8 mm
  • System of Measurement Metric
  • Roller Bearing Type Needle
  • Material Chrome Steel
  • RoHS Compliant
  • Rating G2
  • Length Tolerance 0 to -0.33 mm
  • Hardness HRC60-65
  • Ends Type Flat
  • Roundness 0.5um
  • VDWL 2um
  • Rsmax Axial 0.8 mm
  • Rsmax Radial 0.6 mm
  • Rsmin 0.1 mm

Features

Why Choose RN-3×21.8 BF/G2 for Precision Tasks?

RN-3×21.8 BF/G2 is crafted from high-quality chrome steel, ensuring durability and resistance to wear.
Its precision needle rollers maintain tight tolerances, with a roundness of just 0.5um for smooth operation.
The G2 rating guarantees consistent performance, making it suitable for high-precision applications.
With flat ends and excellent hardness (HRC60-65), it handles both axial and radial loads reliably.

Application

Industrial Uses of RN-3×21.8 BF/G2 Bearing
RN-3×21.8 BF/G2 Bearing is commonly used in compact industrial gearboxes, where its needle roller design saves space while handling high radial loads. The chrome steel construction ensures durability in demanding environments like conveyor systems.

Where Is RN-3×21.8 BF/G2 Bearing Used?
In automotive applications, RN-3×21.8 BF/G2 Bearing fits well in transmission systems, providing smooth rotation under heavy loads. Its flat ends and precise dimensions make it ideal for tight spaces in engine components.

Built for Heavy-Duty Use: RN-3×21.8 BF/G2 Bearing
RN-3×21.8 BF/G2 Bearing excels in construction equipment, where its hardness and roundness tolerance withstand constant vibration. The G2 rating guarantees consistent performance in rugged conditions.

Medical vs Industrial: Where RN-3×21.8 BF/G2 Bearing Excels
RN-3×21.8 BF/G2 Bearing is versatile enough for medical devices like surgical tools, offering precision and reliability. In industrial settings, it’s a go-to for machinery requiring low-profile, high-capacity rollers.

Q&A

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