Self Aligning Ball Bearings 1311KJ

The 1311KJ is a self-aligning ball bearing with a 55mm tapered bore and 120mm outer diameter, built from sturdy chrome steel. It handles radial loads up to 11408 lbf and runs smoothly at speeds up to 7500 RPM.

Its double-row design and open seal make it adaptable to slight misalignments, while the steel cage ensures durability. The bearing operates well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, offering a reliable replacement option. Ideal for machinery with radial loads, like conveyor systems or agricultural equipment.

Weighing 1.6kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 1311KJ
Brand TFL & OEM
Interchangeable SKF
Bore Dia 55 mm
Bore Dia Tolerance -0.015mm to 0
Outer Dia 120 mm
Outer Dia Tolerance -0.015mm to 0
Width 29 mm
Width Tolerance -0.15mm to 0
External Diameter On Inner Ring 77.9 mm
Internal Diameter On Outer Ring 101.4 mm
Chamfer Dimension 2 mm
System of Measurement Metric
Bearing Type Ball
Bore Type Taper 1:12
For Load Direction Radial
Construction Double Row
Seal Type Open
Ring Material Chrome Steel
Ball Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 11408 lbf
Static Radial Load 4050 lbf
Lubrication Lubricated
Temperature Range -30° to 110 °C
Radial Clearance CN
RoHS Compliant
REACH Compliant
Max Speed 7500 rpm
Weight 1.6 kg
Price（$） 90.2

Self Aligning Ball Bearings 1311KJ dimension drawing

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Features

How Does 1311KJ Bearing Handle Radial Loads?

1311KJ Bearing features a double-row design with chrome steel rings and balls, optimised for radial load applications.
Its dynamic radial load capacity reaches 11408 lbf, ensuring stable performance under pressure.
The steel cage maintains proper ball alignment, reducing friction and wear.
With a maximum speed of 7,500 rpm, it offers both durability and smooth operation.

What Makes 1311KJ Bearing Suitable for High-Temperature Applications?

1311KJ Bearing operates reliably in temperatures ranging from -30° to 110°C, making it versatile for various environments.
The chrome steel construction resists heat-induced wear, maintaining performance under thermal stress.
Its open design allows for easy lubrication, further enhancing high-temperature resilience.
This combination ensures consistent operation even in demanding conditions.

Engineered for Precision: 1311KJ Bearing

1311KJ Bearing’s taper bore design ensures precise alignment, reducing vibration and noise.
The double-row construction distributes loads evenly, enhancing accuracy in radial applications.
With a radial clearance of CN, it balances precision and flexibility.
Its 55 mm bore diameter accommodates standard industrial shafts seamlessly.

Application

Industrial Uses of 1311KJ Bearing
1311KJ Bearing is commonly used in industrial machinery, especially in applications where misalignment compensation is needed, like conveyor systems and fans. Its double-row design helps handle radial loads efficiently, making it suitable for heavy-duty environments.

Where Is 1311KJ Bearing Used?
In automotive applications, 1311KJ Bearing fits well in gearboxes and drivetrains, where its tapered bore ensures secure mounting. The chrome steel construction provides durability under high-speed conditions.

Built for Heavy-Duty Use: 1311KJ Bearing
For automation equipment, 1311KJ Bearing supports smooth operation in robotic arms and assembly lines. Its open seal type allows for easy lubrication, extending service life in continuous-use scenarios.

Light-Duty vs Heavy-Duty: Best Uses for 1311KJ Bearing
In household appliances like washing machines, 1311KJ Bearing offers reliable performance with minimal maintenance. The steel cage enhances stability, making it a practical choice for everyday use.