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The 3478-3420-B is a single row tapered roller bearing with a flange, measuring 1.375″ x 3.125″ x 1.1721″. Made from durable chrome steel, it handles combined loads with a dynamic radial load capacity of 23500 lbf.
Its flanged cup design ensures secure mounting, while the open seal allows for easy lubrication. The bearing operates smoothly in temperatures from -30°C to 110°C.
This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like axles or industrial gearboxes where combined loads are common.
Weighing 2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets industry safety requirements.
The tapered roller design provides reliable performance under both radial and thrust loads. With a dynamic thrust rating of 3820 lbf, it’s suited for demanding conditions.
The steel cage ensures durability, while the standard radial clearance offers flexibility for various applications. Easy to maintain with regular lubrication.
Perfect for machinery requiring precise alignment and high load capacity. Commonly used in automotive and construction equipment.
Its ABEC-1 rating ensures consistent performance without unnecessary precision costs.
The bearing’s effective center location at -0.34″ helps with proper alignment in assemblies. The flange outer diameter of 3.309″ provides additional stability during operation.
With a cone width of 1.1721″ and cup width of 0.9375″, it fits compactly in designed spaces. The chrome steel rollers enhance longevity under stress.
Suitable for applications where space and load capacity are key considerations. Often found in agricultural machinery and conveyor systems.
The standard radial clearance can be adjusted to C3, C4, or C5 for specific needs.
Its cone and cup part numbers (3478 and 3420-B) simplify ordering and replacement. The bearing’s design allows for easy installation and removal.
The steel cage maintains roller spacing, reducing friction and wear. Operates efficiently with proper lubrication.
Ideal for use in environments where reliability and ease of maintenance are priorities. Frequently used in mining and material handling equipment.
The bearing’s dimensions and load ratings make it a versatile choice for various industrial needs.
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Performance Features of 3478-3420-B Bearing
3478-3420-B Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 23,500 lbf, ensuring reliable performance in demanding conditions.
The flanged cup design provides added stability, making installation easier and more secure.
With a standard radial clearance, it balances precision and durability for various applications.
3478-3420-B Bearing operates efficiently within a temperature range of -30° to 110°C.
Its tapered roller design ensures smooth operation even under heavy radial and thrust loads.
The steel cage maintains proper roller alignment, reducing wear and extending service life.
This bearing is interchangeable with Timken models, offering flexibility in replacement options.
Industrial Uses of 3478-3420-B Bearing
3478-3420-B Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads efficiently. The flanged cup adds stability, making it ideal for applications with axial movement.
In automotive systems, 3478-3420-B Bearing fits well in wheel hubs and differentials, thanks to its chrome steel construction and ABEC-1 precision. Its inch sizing ensures compatibility with many North American vehicle models.
For industrial conveyors, 3478-3420-B Bearing’s dynamic radial load capacity of 23,500 lbf ensures reliable performance under constant use. The open seal design allows for easy lubrication, extending service life.
Why Is 3478-3420-B Bearing Essential in Machinery?
3478-3420-B Bearing supports high-load scenarios in agricultural machinery, where its steel cage and rollers withstand harsh conditions. The standard radial clearance offers flexibility for various operating temperatures.
Built for Heavy-Duty Use: 3478-3420-B Bearing
3478-3420-B Bearing excels in mining equipment, handling both radial and thrust loads with ease. Its flanged design prevents misalignment, reducing wear in rugged environments.
In automation systems, 3478-3420-B Bearing’s precise tolerances ensure smooth operation in robotic arms. The chrome steel rollers provide durability, even in high-speed applications.
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