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Snap Ring Groove Ball Bearings 312-2ZNR

Snap Ring Groove Ball Bearings 312-2ZNR

The 312-2ZNR is a shielded ball bearing with a 60mm bore and 130mm outer diameter, measuring 31mm wide. Made from chrome steel, it’s built to handle radial loads up to 20525 lbf and speeds of 4800 RPM.

Its snap ring groove on the outer ring keeps it securely in place, while the stainless steel cage ensures durability. The shielded design helps keep grease in and contaminants out.

This bearing operates smoothly in temperatures from -30°C to 120°C. It’s interchangeable with SKF models, making replacements straightforward.

Ideal for industrial machinery or automotive applications where secure mounting and radial load capacity are key. Weighing 1.85kg, it’s sturdy yet manageable for its size.

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Product Parameters

  • Part Number 312-2ZNR
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.018mm to 0
  • Width 31 mm
  • Width Tolerance -0.15mm to 0
  • Outside Diameter Of Snap Ring 139.7 mm
  • Width Of Snap Ring 2.82 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 20525 lbf
  • Static Radial Load 17535 lbf
  • Temperature Range -30° to 120 °C
  • Lubrication Grease
  • REACH Compliant
  • Max Speed 4800 rpm
  • Weight 1.85 kg
Snap Ring Groove Ball Bearings 312-2ZNR dimension drawing
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Features

Performance Features of 312-2ZNR Bearing

312-2ZNR Bearing features shielded seals, protecting against dust and debris for smoother operation.
Its chrome steel construction ensures durability and resistance to wear in radial load applications.

The snap ring design on the outer ring simplifies installation, saving time and effort.
With a dynamic radial load capacity of 20525 lbf, it handles heavy-duty tasks reliably.

312-2ZNR Bearing operates efficiently in temperatures ranging from -30° to 120°C.
Its stainless steel cage maintains ball alignment, reducing friction and extending service life.

Application

Industrial Uses of 312-2ZNR Bearing
312-2ZNR Bearing is commonly used in industrial machinery, especially in conveyor systems and gearboxes where radial load support is needed. Its shielded design helps keep contaminants out, extending the bearing’s lifespan in demanding environments.

Where Is 312-2ZNR Bearing Used?
You’ll often find 312-2ZNR Bearing in automotive applications like electric motors and transmission systems. The snap ring feature ensures secure mounting, making it a reliable choice for high-vibration settings.

Built for Heavy-Duty Use: 312-2ZNR Bearing
312-2ZNR Bearing handles heavy radial loads effortlessly, making it ideal for construction equipment and agricultural machinery. The chrome steel construction provides durability, even under continuous operation.

Automotive vs Industrial: Applications of 312-2ZNR Bearing
In automotive settings, 312-2ZNR Bearing supports components like wheel hubs and drivetrains. For industrial use, it’s a go-to for pumps and compressors, thanks to its grease lubrication and shielded seals.

Perfect Fit for Automation: 312-2ZNR Bearing
312-2ZNR Bearing works well in robotic arms and automated assembly lines, where precision and reliability are key. The stainless steel cage ensures smooth movement, even at moderate speeds.

Q&A

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