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RN-0.5x107 BF RN-4x21.8 BF/G2

RN-0.5×107 BF RN-4×21.8 BF/G2

The RN-4×21.8 BF/G2 is a needle roller bearing with a 4mm diameter and 21.8mm length, crafted from durable chrome steel. It meets G2 precision standards, ensuring smooth operation in tight spaces.

With flat ends and a hardness of HRC60-65, it handles high loads while maintaining minimal wear. The roundness of 0.5µm and low VDWL of 2µm contribute to its reliable performance.

This model is interchangeable with INA bearings, making it a practical choice for replacements. Ideal for applications like gearboxes or compact machinery where space is limited.

Compliant with RoHS standards, it’s a safe and efficient option for industrial use. Its precise tolerances and robust design make it a dependable component in demanding environments.

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Product Parameters

  • Part Number RN-4x21.8 BF/G2
  • Brand TFL
  • Interchangeable INA
  • Roller Diameter 4 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 1 mm
  • Rsmax Radial 0.9 mm
  • Rsmin 0.1 mm

Features

How Does RN-4×21.8 BF/G2 Bearing Reduce Friction?

RN-4×21.8 BF/G2 Bearing features precision-ground chrome steel rollers, ensuring minimal friction during operation.
The needle roller design provides a large contact area, distributing loads evenly for smoother performance.
With a hardness rating of HRC60-65, it resists wear and maintains efficiency over time.
The G2 rating guarantees high precision, making it suitable for demanding applications.

Application

Industrial Uses of RN-4×21.8 BF/G2 Bearing
RN-4×21.8 BF/G2 Bearing is commonly used in industrial machinery, especially in compact spaces where high load capacity is needed, like conveyor systems and gearboxes. Its needle roller design ensures efficient performance even in tight configurations.

Where Is RN-4×21.8 BF/G2 Bearing Used?
In automotive applications, RN-4×21.8 BF/G2 Bearing fits well in transmission systems and steering mechanisms, thanks to its durable chrome steel construction. The flat ends and precise dimensions make it easy to integrate into various vehicle models.

Perfect Fit for Automation: RN-4×21.8 BF/G2 Bearing
For automation and robotics, RN-4×21.8 BF/G2 Bearing provides smooth motion in robotic arms and linear guides. Its high hardness and roundness tolerance ensure reliable operation in repetitive tasks.

Medical vs Industrial: Where RN-4×21.8 BF/G2 Bearing Excels
In medical devices, RN-4×21.8 BF/G2 Bearing offers precision in equipment like surgical tools, where minimal friction is critical. The G2 rating guarantees consistent quality for sensitive applications.

Consumer Electronics and RN-4×21.8 BF/G2 Bearing
RN-4×21.8 BF/G2 Bearing can be found in household appliances like printers and power tools, where its compact size and durability enhance performance. The chrome steel material ensures long-lasting use in everyday devices.

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