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21315 M/C3 Double Row Spherical Roller Bearing
21315 M/C3 Double Row Spherical Roller Bearing

21315 M/C3 Double Row Spherical Roller Bearing

The 21315 M/C3 is a double-row spherical roller bearing with a 75mm bore and 160mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 65419 lbf and spins smoothly at speeds up to 5600 RPM.

Its open design and C3 radial clearance allow for easy lubrication, while the steel cage ensures durability. The bearing operates well in temperatures ranging from -30°C to 200°C.

This model is interchangeable with SKF bearings, making it a reliable choice for replacements. Ideal for heavy-duty applications like industrial gearboxes or mining equipment where high radial loads are common.

Weighing 3.8kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 21315 M/C3
  • Brand TFL
  • Interchangeable SKF
  • Size 75 x 160 x 37 mm
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 160 mm
  • Outer Dia Tolerance -0.025mm to 0
  • Width 37 mm
  • Width Tolerance -0.06mm to 0
  • Shoulder Dia Of Inner Ring 101 mm
  • Shoulder/Recess Dia Of Outer Ring 133 mm
  • Width Of Lubrication Groove 6 mm
  • Diameter Of Lubrication Hole 3 mm
  • Chamfer Dimension min.2.1 mm
  • System of Measurement Metric
  • Radial run-out Standard
  • Bearing Type Roller
  • Roller Bearing Type Spherical
  • Bore Type Cylindrical
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 65419 lbf
  • Static Radial Load 73063 lbf
  • Max Speed 5600 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance C3
  • RoHs Compliant
  • REACH Compliant
  • Weight 3.8 kg

Features

Performance Features of 21315 M/C3 Bearing

21315 M/C3 Bearing is built with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 65419 lbf, ensuring reliable operation in heavy-duty applications.

The double-row spherical roller design allows for slight misalignment, maintaining smooth performance.
With a maximum speed of 5600 rpm, it balances durability and efficiency in demanding conditions.

21315 M/C3 Bearing’s C3 radial clearance accommodates thermal expansion, ideal for high-temperature environments.
The steel cage ensures proper roller alignment, reducing wear and extending service life.

Application

Industrial Uses of 21315 M/C3 Bearing
21315 M/C3 Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row design handles combined loads effectively. The spherical rollers help accommodate misalignment, ensuring smooth operation even in tough conditions.

Where Is 21315 M/C3 Bearing Used?
You’ll often find 21315 M/C3 Bearing in mining equipment, where its high dynamic radial load capacity keeps things running reliably. Its open design also makes lubrication straightforward, which is handy for maintenance teams.

Built for Heavy-Duty Use: 21315 M/C3 Bearing
21315 M/C3 Bearing works well in paper mills and steel plants, thanks to its chrome steel construction and C3 clearance. The wide temperature range means it can handle both hot and cold environments without issues.

Automotive vs Aerospace: Applications of 21315 M/C3 Bearing
In automotive applications, 21315 M/C3 Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary systems. The metric sizing ensures compatibility across various industries and regions.

Key Fields for 21315 M/C3 Bearing
21315 M/C3 Bearing is a solid choice for wind turbines, where its durability and load capacity are key. The steel cage adds extra strength, making it reliable for long-term use in renewable energy setups.

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