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TFL BEARINGS
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Snap Ring Groove Ball Bearings 307 NR

Snap Ring Groove Ball Bearings 307 NR

The 307 NR is a snap ring groove ball bearing with a 35mm bore and 80mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 7801 lbf and operates smoothly at speeds up to 9500 RPM.

Its open design and stainless steel cage ensure durability, while the snap ring feature keeps it securely in place. The bearing performs well in temperatures ranging from -30°C to 120°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Suitable for applications like motors or pumps where radial loads are common.

Weighing 0.48kg, it’s a robust option for its size. Compliant with REACH standards for safe use.

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Product Parameters

  • Part Number 307 NR
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 21 mm
  • Width Tolerance -0.12mm to 0
  • Outside Diameter Of Snap Ring 86.6 mm
  • Width Of Snap Ring 1.7 mm
  • System of Measurement Metric
  • For Load Direction Radial
  • Construction Single Row
  • Bearing Type Ball
  • Seal Type Open
  • Locating Feature Bearing Outer Ring Snap Ring (fitted)
  • Tolerance Class P0
  • Radial Clearance Trade No CN
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 7801 lbf
  • Static Radial Load 5957 lbf
  • Temperature Range -30° to 120 °C
  • REACH Compliant
  • Max Speed 9500 rpm
  • Weight 0.48 kg
  • Price（$） 12.44
Snap Ring Groove Ball Bearings 307 NR dimension drawing
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Features

Performance Features of 307 NR Bearing

307 NR Bearing is built with chrome steel rings and balls, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 7801 lbf, ensuring reliable performance in various applications.

The stainless steel cage maintains ball alignment, reducing friction and extending service life.
With a maximum speed of 9,500 rpm, it delivers a balance of durability and efficiency.

The snap ring feature on the outer ring provides secure mounting, simplifying installation.
307 NR Bearing operates smoothly in temperatures ranging from -30° to 120°C.

Application

Industrial Uses of 307 NR Bearing
The 307 NR Bearing is commonly used in conveyor systems and industrial gearboxes, where its snap ring groove ensures secure outer ring positioning. Its open design allows for easy lubrication, extending service life in dusty environments.

In automotive applications, 307 NR Bearing fits well in wheel hubs and transmission systems due to its radial load capacity. The chrome steel construction handles road vibrations effectively while maintaining smooth rotation.

For automation equipment, this bearing’s compact width (21mm) makes it suitable for robotic arm joints and linear guides. The stainless steel cage prevents corrosion in humid factory conditions.

Medical imaging devices benefit from 307 NR Bearing’s precise tolerances during rotational movements. Its P0 class accuracy ensures minimal vibration in sensitive diagnostic equipment.

Household appliances like washing machines use 307 NR Bearing in drum assemblies, where the snap ring feature simplifies installation. The 9,500 rpm rating handles spin cycles reliably.

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