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

21315 E/C3 Double Row Spherical Roller Bearing

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

Its spherical roller design allows for slight misalignment, while the steel cage ensures durability under heavy loads. The open construction requires regular lubrication for optimal performance.

This bearing works in temperatures from -30°C to 200°C, making it suitable for harsh environments. It’s interchangeable with SKF bearings, offering a reliable replacement option.

Weighing 3.8kg, it’s sturdy yet manageable for industrial use. Compliant with RoHS and REACH standards, it’s a safe choice for machinery like pumps or gearboxes where heavy radial and axial loads are common.

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Product Parameters

  • Part Number 21315 E/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
  • Price (US$) 74.08

Features

Performance Features of 21315 E/C3 Bearing

21315 E/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, reducing stress on the bearing.
This enhances longevity and maintains performance even under challenging conditions.

With a maximum speed of 5600 rpm, 21315 E/C3 Bearing balances efficiency and durability.
The C3 radial clearance provides optimal performance in varying temperature ranges.

21315 E/C3 Bearing’s steel cage ensures proper roller alignment, minimising wear.
Its open design simplifies lubrication, making maintenance straightforward.

Application

Industrial Uses of 21315 E/C3 Bearing
21315 E/C3 Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row spherical design handles misalignment and heavy radial loads. The chrome steel construction ensures durability in demanding industrial environments.

Where Is 21315 E/C3 Bearing Used?
You’ll often find 21315 E/C3 Bearing in gearboxes and conveyor systems, thanks to its ability to manage combined loads and high speeds. Its C3 radial clearance makes it suitable for applications with thermal expansion concerns.

Built for Heavy-Duty Use: 21315 E/C3 Bearing
21315 E/C3 Bearing excels in mining equipment, where its robust design withstands harsh conditions. The steel cage and lubrication grooves help maintain performance even under continuous operation.

Automotive vs Aerospace: Applications of 21315 E/C3 Bearing
In automotive systems, 21315 E/C3 Bearing supports drivetrains and axles, while in aerospace, it’s used in auxiliary equipment. Its high-temperature tolerance and load capacity make it versatile across industries.

Essential Roles of 21315 E/C3 Bearing
21315 E/C3 Bearing is vital in paper mills and steel plants, where its spherical rollers accommodate shaft deflections. The open design allows for easy relubrication, extending service life in dusty environments.

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