The 30204/P6 tapered roller bearing is a high-precision single row tapered roller bearing designed for applications requiring improved rotational accuracy, stable load distribution, and long service life. Manufactured with P6 tolerance class, this bearing provides tighter dimensional accuracy and enhanced running performance compared to standard clearance versions.
The 30204/P6 bearing is engineered to support combined radial and axial loads simultaneously, making it a reliable solution for gear systems, automotive assemblies, industrial transmissions, and precision machinery.
Precision Engineering and Tapered Roller Design
The 30204/P6 bearing features precisely machined tapered rollers and raceways that ensure optimal contact geometry and uniform load distribution. The tapered construction allows the bearing to handle heavy radial loads together with axial loads in one direction.
Thanks to its P6 precision class, the bearing offers:
The separable inner ring (cone) and outer ring (cup) design allows easier mounting and accurate adjustment of preload during installation.
Technical Specifications of 30204/P6 Tapered Roller Bearing
The 30204/P6 tapered roller bearing has an inner diameter of 20 mm, an outer diameter of 47 mm, and a width (T) of 15.25 mm. The approximate weight of the bearing is 0.127 kg, making it compact yet structurally robust for medium-duty mechanical systems.
In terms of load capacity, the bearing provides a dynamic load rating (C) of 26.9 kN and a static load rating (C₀) of 28.2 kN, ensuring reliable performance under combined load conditions.
Regarding speed capability, the limiting speed reaches 9,500 rpm in grease lubrication and up to 13,000 rpm in oil lubrication, depending on installation accuracy and lubrication quality.
Typical Applications
Due to its tapered roller design and P6 precision level, the 30204/P6 bearing is commonly used in:
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Automotive wheel hubs and gearboxes
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Industrial gear units and transmissions
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Agricultural machinery
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Machine tool assemblies
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Differential systems
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Conveyor drive systems
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Light to medium industrial equipment
Key Advantages of 30204/P6 Bearing
The 30204/P6 tapered roller bearing offers several performance advantages including improved dimensional accuracy due to P6 tolerance class, strong radial and axial load capacity, stable high-speed operation, reduced vibration and noise levels, easy installation thanks to separable design, and long operational service life under demanding industrial conditions.
Its standardized ISO dimensions allow full interchangeability with equivalent international brands.
Conclusion
The 30204/P6 tapered roller bearing is a compact, high-precision, and load-efficient bearing solution designed for mechanical systems that require improved rotational accuracy and stable combined load performance. With its P6 tolerance class, optimized tapered geometry, and reliable load ratings, it delivers consistent operation in both industrial and automotive environments.
Whether used in new installations or replacement applications, the 30204/P6 bearing provides precision, durability, and dependable long-term performance.