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Single Row Cylindrical Roller Bearings With Inner Ring CRM 20 A
Single Row Cylindrical Roller Bearings With Inner Ring CRM 20 A

Single Row Cylindrical Roller Bearings With Inner Ring CRM 20 A

The CRM 20 A is a single row cylindrical roller bearing with a 2.5″ bore and 5.5″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 31050 lbf and runs smoothly at speeds up to 6000 RPM.

Its brass cage keeps rollers centred for even load distribution, while the open design allows easy lubrication with grease or oil. The bearing operates well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial gearboxes or machinery where radial and axial loads are present.

Weighing 2.15kg, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number CRM 20 A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 2.5"
  • Bore Dia Tolerance +0.0002" to -0.0003"
  • Outer Dia 5.5"
  • Outer Dia Tolerance -0.0013" to -0.0018"
  • Width 1.25"
  • Width Tolerance -0.005" to 0
  • Shoulder Dia Of Inner Ring 0.1411"
  • Raceway Diameter Of Outer Ring(E) 4.7835"
  • Chamfer Dimension r1,2(min.) 0.126"
  • Chamfer Dimension r3,4(min.) 0.126"
  • Permissible Axial Displacement(max.) 0.0787"
  • System of Measurement Inch
  • Roller Bearing Type Cylindrical
  • For Load Direction Combined
  • Construction Single Row
  • Inner Ring Type With Inner Ring
  • Seal Type Open
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Brass cage, roller centred
  • Dynamic Radial Load 31050 lbf
  • Static Radial Load 32175 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 6000 rpm
  • Weight 2.15 kg

Features

How Does CRM 20 A Bearing Handle Combined Loads?

CRM 20 A Bearing features chrome steel rings and rollers, offering strong resistance to both radial and axial loads.
Its dynamic radial load capacity reaches 31050 lbf, ensuring reliable performance in demanding conditions.
The brass cage keeps the rollers centred, reducing friction and extending service life.
With a maximum speed of 6000 rpm, it balances durability and efficiency in various applications.

Application

Industrial Uses of CRM 20 A Bearing
CRM 20 A Bearing is commonly used in heavy machinery like conveyor systems and industrial gearboxes, where its cylindrical roller design handles combined loads efficiently. The brass cage ensures smooth operation even at high speeds up to 6000 rpm.

Where Is CRM 20 A Bearing Used?
You’ll find CRM 20 A Bearing in automotive applications such as differential systems and wheel hubs, thanks to its robust chrome steel construction. Its inch sizing makes it a versatile choice for various vehicle models.

Perfect Fit for Automation: CRM 20 A Bearing
CRM 20 A Bearing works well in robotic arms and automated assembly lines, where precision and durability are key. The open seal design allows for easy lubrication, extending its service life.

Medical vs Industrial: Where CRM 20 A Bearing Excels
In medical devices like MRI machines, CRM 20 A Bearing offers reliable performance due to its high static radial load capacity. Industrial pumps also benefit from its ability to handle both radial and axial forces.

Essential Roles of CRM 20 A Bearing
CRM 20 A Bearing is ideal for agricultural equipment, such as tractors and harvesters, where it withstands harsh conditions. The grease or oil lubrication options make it adaptable to different environments.

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