Four-Row Cylindrical Roller Bearings 319320

The 319320 is a four-row cylindrical roller bearing with a large 480mm bore and 680mm outer diameter, designed for heavy-duty applications. It handles combined loads up to 2054250 lbf dynamically and 4342500 lbf statically, making it robust for industrial use.

Its cylindrical rollers and grease or oil lubrication ensure smooth operation even under high stress. The bearing performs reliably in temperatures ranging from -30°C to 110°C.

With a chamfer dimension of 3mm on the outer ring and a 12mm corner radius on the inner ring, it’s designed for easy installation and alignment. This model is interchangeable with SKF bearings, offering flexibility for replacements.

Ideal for heavy machinery like rolling mills or large gearboxes, where durability and load capacity are crucial. Compliant with RoHS and REACH standards, it’s a safe and reliable choice for demanding environments.

Get A Free Quote

Description

Features

Application

Q&A

Product Parameters

Part Number 319320
Brand TFL
Interchangeable SKF
Bore Dia 480 mm
Outer Dia 680 mm
Width 420mm
Corner Radius/Chamfer Inner Ring(r1,2)(min.) 12 mm
Chamfer Dimension On The Outer Ring(r3,4)(min.) 3 mm
System of Measurement Metric
Roller Bearing Type Cylindrical
For Load Direction Combined
Dynamic Radial Load 2054250 lbf
Static Radial Load 4342500 lbf
Lubrication Grease, Oil
Temperature Range -30° to 110 °C
RoHS Compliant
REACH Compliant

Four-Row Cylindrical Roller Bearings 319320 dimension drawing

Download DWG Download PDF

Features

Performance Features of 319320 Bearing

319320 Bearing is built with a four-row cylindrical roller design, ideal for handling combined loads in industrial applications.
Its dynamic radial load capacity reaches 2,054,250 lbf, ensuring robust performance under heavy-duty conditions.
The wide temperature range of -30° to 110°C allows reliable operation in varying environments.
With options for grease or oil lubrication, 319320 Bearing offers flexibility for different maintenance needs.

Application

Industrial Uses of 319320 Bearing
319320 Bearing is commonly used in heavy industrial machinery, such as rolling mills and large gearboxes, where its four-row cylindrical design handles high radial loads efficiently. The generous dimensions make it suitable for robust equipment requiring long-term reliability.

Where Is 319320 Bearing Used?
You’ll often find 319320 Bearing in mining equipment, where its combined load capacity supports crushers and conveyors under tough conditions. The grease or oil lubrication options ensure smooth operation even in dusty environments.

Built for Heavy-Duty Use: 319320 Bearing
This bearing excels in steel production lines, particularly in continuous casting machines where precision and durability are key. Its static radial load rating of 4342500 lbf ensures stability under extreme pressures.

Automotive vs Aerospace: Applications of 319320 Bearing
While 319320 Bearing is too large for most aerospace uses, it’s ideal for heavy vehicle applications like railway axles and marine propulsion systems. The metric sizing simplifies integration with European and Asian industrial standards.

Key Fields for 319320 Bearing
In wind turbine gearboxes, 319320 Bearing’s cylindrical rollers distribute loads evenly, extending service life in renewable energy applications. The temperature range of -30° to 110°C accommodates various operating climates.