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Snap Ring Groove Ball Bearings 308-ZNR

Snap Ring Groove Ball Bearings 308-ZNR

The 308-ZNR is a shielded ball bearing with a 40mm bore and 90mm outer diameter, designed for radial loads. Its compact size (40mm×96.5mm×23mm) and chrome steel construction make it durable for various applications.

It handles radial loads up to 10274 lbf and operates smoothly at speeds up to 8500 RPM. The shielded design keeps grease in and contaminants out, reducing maintenance needs.

The snap ring groove on the outer ring ensures secure fitting, ideal for setups where precise positioning is needed. Made with a stainless steel cage, it offers reliable performance in temperatures from -30°C to 120°C.

This bearing is interchangeable with SKF models, making it a practical choice for replacements. Suitable for industrial machinery, pumps, or gearboxes where radial load support is essential. Weighing 0.64kg, it balances strength and ease of handling.

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Product Parameters

  • Part Number 308-ZNR
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 23 mm
  • Width Tolerance -0.12mm to 0
  • Outside Diameter Of Snap Ring 96.5 mm
  • Width Of Snap Ring 2.46 mm
  • System of Measurement Metric
  • For Load Direction Radial
  • Construction Single Row
  • Bearing Type Ball
  • Seal Type Shielded
  • 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 10274 lbf
  • Static Radial Load 8093 lbf
  • Temperature Range -30° to 120 °C
  • Lubrication Grease
  • REACH Compliant
  • Max Speed 8500 rpm
  • Weight 0.64 kg
  • Price（$） 16.02
Snap Ring Groove Ball Bearings 308-ZNR dimension drawing
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Features

How Does 308-ZNR Bearing Reduce Friction?

308-ZNR Bearing features chrome steel rings and balls, designed to minimise friction during radial load operations.
Its dynamic radial load capacity of 10274 lbf ensures smooth performance even under substantial pressure.

The stainless steel cage maintains ball alignment, reducing wear and enhancing longevity.
With a maximum speed of 8,500 rpm, it offers a balance of durability and efficiency for various applications.

The shielded design helps keep contaminants out, further improving its reliability.
Its snap ring outer ring feature ensures secure placement, making installation straightforward.

Application

Industrial Uses of 308-ZNR Bearing
308-ZNR Bearing is commonly used in conveyor systems, where its shielded design helps keep out dust and debris. The snap ring feature ensures secure mounting, making it ideal for high-vibration environments.

In automotive applications, 308-ZNR Bearing fits well in gearboxes and wheel hubs, providing reliable radial load support. Its grease lubrication ensures smooth operation even under continuous use.

For robotics, 308-ZNR Bearing’s stainless steel cage offers durability in mechanical arms and automated systems. The metric sizing makes it easy to integrate into various European and Asian designs.

Where Is 308-ZNR Bearing Used?
You’ll often find 308-ZNR Bearing in industrial fans, where its dynamic load capacity handles constant rotation. The shielded seals protect against contaminants, extending bearing life.

In household appliances like washing machines, 308-ZNR Bearing reduces noise and vibration. Its chrome steel construction ensures long-term performance even with daily use.

Built for Heavy-Duty Use: 308-ZNR Bearing
308-ZNR Bearing works well in agricultural machinery, handling rough conditions with ease. The snap ring groove provides extra stability during heavy loads.

For small machinery like power tools, 308-ZNR Bearing offers a compact yet robust solution. Its temperature range suits both indoor and outdoor applications.

Automotive vs Industrial: Applications of 308-ZNR Bearing
In cars, 308-ZNR Bearing supports alternators and pulleys, where precision matters. The grease lubrication keeps it running smoothly over time.

For factory equipment, 308-ZNR Bearing’s high-speed capability makes it a go-to choice. The snap ring ensures it stays firmly in place during operation.

Q&A

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