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Thin Section Ball Bearings 6904 2rs

Thin Section Ball Bearings 6904 2rs

The 6904 2RS is a compact thin-section ball bearing with a 20mm bore and 37mm outer diameter, designed for radial loads. Its sealed construction keeps dirt out and grease in, making it low-maintenance.

Made from chrome steel with a stainless steel cage, it handles dynamic loads up to 1436 lbf and spins smoothly at 22,000 RPM. The bearing operates in temperatures from -30°C to 110°C.

Its slim 9mm width saves space in tight assemblies while maintaining strength. The ABEC-1 tolerance ensures reliable performance for most applications.

Ideal for small machinery, medical devices, or robotics where space is limited. Compliant with RoHS and REACH standards, it weighs just 40g for easy handling.

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Product Parameters

  • Part Number 6904 2rs
  • Brand TFL
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 9 mm
  • Width Tolerance -0.120mm to 0
  • Radial Clearance 0.006mm to 0.020mm
  • System of Measurement Metric
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Seal Type Sealed
  • Tolerance Class ABEC-1
  • Radial Clearance Trade No C0
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 1436 lbf
  • Static Radial Load 828 lbf
  • Temperature Range -30°C to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 22000 rpm
  • Weight 40 g
  • Price（$） 2.2
Thin Section Ball Bearings 6904 2rs dimension drawing
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Features

How Does 6904 2rs Bearing Reduce Friction?

6904 2rs Bearing features chrome steel rings and balls, ensuring smooth operation with minimal friction.
Its sealed design helps retain lubrication, further reducing wear and maintaining efficiency.

The ABEC-1 tolerance class ensures consistent performance, even at high speeds up to 22,000 rpm.
With a dynamic radial load capacity of 1436 lbf, it handles demanding radial loads reliably.

The stainless steel cage keeps the balls aligned, extending the bearing’s service life.
Its compact 20 mm×37 mm×9 mm size makes it ideal for space-constrained applications.

Application

Common Applications of 6904 2rs Bearing
6904 2rs Bearing is widely used in industrial equipment, such as conveyor systems and packaging machines, where its sealed design helps keep out contaminants. The thin section makes it ideal for space-constrained applications.

In automotive applications, 6904 2rs Bearing can be found in electric motors and small gearboxes, providing smooth rotation with minimal maintenance. Its ABEC-1 tolerance ensures reliable performance in these demanding environments.

For medical devices like dental drills or lab equipment, 6904 2rs Bearing offers quiet operation and consistent performance. The chrome steel construction ensures durability even with frequent use.

Automation systems benefit from 6904 2rs Bearing in robotic arms and precision actuators, where its low friction and high-speed capability are key. The stainless steel cage adds extra resistance to wear.

In consumer electronics, 6904 2rs Bearing is often used in small fans and printers, where its compact size and sealed design prolong service life. The lightweight construction also helps reduce overall device weight.

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