21307 CC Double Row Spherical Roller Bearing

The 21307 CC is a double-row spherical roller bearing with a 35mm bore and 80mm outer diameter, crafted from robust chrome steel. It manages combined loads up to 17805 lbf and operates smoothly at speeds up to 9500 RPM.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing performs reliably in temperatures ranging from -30°C to 200°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Suitable for applications like industrial gearboxes or heavy machinery where combined loads are common.

Weighing 0.54kg, it offers a sturdy yet manageable size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 21307 CC
Brand TFL
Interchangeable SKF
Size 35 x 80 x 21 mm
Bore Dia 35 mm
Bore Dia Tolerance -0.012mm to 0
Outer Dia 80 mm
Outer Dia Tolerance -0.013mm to 0
Width 21 mm
Width Tolerance -0.06mm to 0
Shoulder Dia Of Inner Ring 47.2 mm
Shoulder/Recess Dia Of Outer Ring 65.6 mm
Chamfer Dimension min.1.5 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 17805 lbf
Static Radial Load 16186 lbf
Max Speed 9500 rpm
Lubrication Required
Temperature Range -30° to 200 °C
Radial Clearance CN
RoHs Compliant
REACH Compliant
Weight 0.54 kg
Price （US$） 28.37

Features

Performance Features of 21307 CC Bearing

21307 CC Bearing is built with double-row spherical rollers, offering excellent load distribution for combined radial and thrust loads.
Its chrome steel construction ensures durability and resistance to wear in demanding conditions.
With a dynamic radial load capacity of 17805 lbf, it handles heavy-duty applications with ease.
The open design allows for easy lubrication, maintaining smooth operation up to 9500 rpm.

Why Choose 21307 CC Bearing for Precision Tasks?

21307 CC Bearing’s spherical roller design compensates for misalignment, ensuring precise performance.
The steel cage keeps rollers aligned, reducing friction and extending service life.
Its temperature range of -30° to 200°C makes it suitable for varied environments.
The CN radial clearance provides optimal performance for most industrial applications.

Engineered for Reliability: 21307 CC Bearing

21307 CC Bearing’s chrome steel rollers and rings enhance strength and longevity.
The double-row construction distributes loads evenly, reducing stress on individual components.
With a static radial load capacity of 16186 lbf, it ensures stability under heavy loads.
Its open design simplifies maintenance, keeping operational costs low.

Steel vs Ceramic Bearings: Strengths of 21307 CC Bearing

21307 CC Bearing’s chrome steel construction offers a balance of strength and affordability.
The material resists wear and maintains performance in high-temperature environments.
Its spherical rollers adapt to misalignment, ensuring smooth operation.
The steel cage provides reliable roller guidance, enhancing overall durability.

How Does 21307 CC Bearing Resist Wear?

21307 CC Bearing’s chrome steel components are hardened for superior wear resistance.
The double-row design reduces stress on individual rollers, prolonging service life.
Proper lubrication channels ensure even distribution, minimising friction and wear.
Its robust construction maintains performance even under heavy radial and thrust loads.

Application

Industrial Uses of 21307 CC Bearing
21307 CC Bearing is commonly used in heavy machinery like conveyor systems and crushers, where its double-row design handles both radial and axial loads efficiently. The chrome steel construction ensures durability even in demanding industrial environments.

What Makes 21307 CC Bearing a Preferred Choice?
In automotive applications, 21307 CC Bearing supports components like wheel hubs and transmissions, providing reliable performance under high-speed conditions. Its metric sizing makes it a versatile fit for various vehicle designs.

Built for Heavy-Duty Use: 21307 CC Bearing
For mining equipment, 21307 CC Bearing’s spherical roller design accommodates misalignment, reducing wear and tear in rugged conditions. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 21307 CC Bearing
While 21307 CC Bearing excels in automotive systems, it’s also suitable for aerospace applications where high-speed performance and load capacity are critical. The temperature range of -30° to 200°C ensures reliability in extreme conditions.

Perfect Fit for Automation: 21307 CC Bearing
In robotic arms and automated production lines, 21307 CC Bearing offers smooth operation and low maintenance. Its steel cage enhances stability, making it ideal for precision movements in automated systems.