+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
21312 E/C4 Double Row Spherical Roller Bearing

21312 E/C4 Double Row Spherical Roller Bearing

The 21312 E/C4 is a double-row spherical roller bearing with a 60mm bore and 130mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 48784 lbf and reaches speeds of 6300 RPM.

Its spherical roller design allows for slight misalignment, while the steel cage ensures durability. The open construction requires lubrication, with grooves and holes for easy maintenance.

This bearing operates in temperatures from -30°C to 200°C, making it suitable for harsh environments. The C4 radial clearance provides flexibility under heavy loads.

Ideal for industrial machinery like gearboxes or conveyors, it’s interchangeable with SKF models. Weighing 2.05kg, it balances strength and practicality. Compliant with RoHS and REACH standards.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 21312 E/C4
  • Brand TFL
  • Interchangeable SKF
  • Size 60 x 130 x 31 mm
  • 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 -0.06mm to 0
  • Shoulder Dia Of Inner Ring 87.8 mm
  • Shoulder/Recess Dia Of Outer Ring 115 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 48784 lbf
  • Static Radial Load 53954 lbf
  • Max Speed 6300 rpm
  • Lubrication Required
  • Temperature Range -30° to 200 °C
  • Radial Clearance C4
  • RoHs Compliant
  • REACH Compliant
  • Weight 2.05 kg
  • Price （US$） 54.01

Features

Performance Features of 21312 E/C4 Bearing

21312 E/C4 Bearing is built with chrome steel rings and rollers, offering excellent resistance to combined loads.
Its dynamic radial load capacity reaches 48,784 lbf, ensuring reliable performance in heavy-duty applications.

The double-row spherical roller design allows for slight misalignment, reducing stress on the bearing.
With a maximum speed of 6,300 rpm, it delivers both durability and efficiency.

21312 E/C4 Bearing operates in temperatures from -30° to 200°C, making it suitable for varied environments.
The C4 radial clearance ensures smooth operation even under thermal expansion.

Its steel cage maintains roller alignment, extending service life and reducing maintenance needs.
The lubrication groove and holes facilitate easy maintenance, keeping performance consistent.

Application

Industrial Uses of 21312 E/C4 Bearing
21312 E/C4 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 open seal type simplifies lubrication, ideal for dusty or high-temperature environments.

Where Is 21312 E/C4 Bearing Used?
You’ll find 21312 E/C4 Bearing in mining equipment, where its robust construction withstands extreme conditions. Its C4 radial clearance ensures reliable performance even under fluctuating thermal loads.

Built for Heavy-Duty Use: 21312 E/C4 Bearing
21312 E/C4 Bearing excels in paper mill machinery, thanks to its chrome steel rollers and high dynamic load capacity. The steel cage adds durability, making it a long-lasting choice for continuous operation.

Automotive vs Aerospace: Applications of 21312 E/C4 Bearing
In automotive applications, 21312 E/C4 Bearing supports gearboxes and axles, while in aerospace, it’s used in auxiliary systems. Its metric sizing and high-speed capability make it versatile across industries.

Key Fields for 21312 E/C4 Bearing
21312 E/C4 Bearing is popular in wind turbines, where its spherical rollers accommodate shaft deflections. The wide temperature range (-30° to 200°C) ensures performance in varying climates.

Q&A

SEND INQUIRY