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SKF tapered roller bearing · SKF 30308T72 J2/QDBC220
SKF 30308T72 J2/QDBC220 tapered roller bearing

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SKF 30308T72 J2/QDBC220 tapered roller bearing

Manufacturer Part Number30308T72 J2/QDBC220Also searched as: 30308T72J2/QDBC220 · 30308T72-J2/QDBC220
Brand
SKF
Category
Bearings
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How to read SKF 30308T72 J2/QDBC220

303Series
Tapered roller bearings, 303 series. For the same bore, each series has a different outside diameter and width.
08Bore
40 mm bore: 08 × 5.
T72 J2/QDBC220Suffix
SKF suffix: it defines the variant (sealing, cage, internal clearance or other features).

30308 is the standard (ISO) basic designation: it defines the type, the series and the bore.

Description

SKF 30308T72 J2/QDBC220 is a reference of tapered roller bearing, within Bearings. Request a quote for 30308T72 J2/QDBC220 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

SKF tapered roller bearings are components designed to support combined radial and axial loads. Their roller and raceway geometry delivers reliable performance in demanding applications. MR Accesorios Industriales sells and distributes SKF bearings in Buenos Aires, Argentina, with more than 80 years of experience in the industrial industry.

The designation of these bearings combines a basic number with additional letters and numbers. For example, in 30308T72 J2/QDBC220 and 32216T78 J2/QDBC110, the numeric prefix (30308, 32216) identifies the series and the bore size. The letters and numbers that follow (T72, T78, J2/QDBC220, J2/QDBC110) correspond to execution variants. To select the correct code, take into account the series and the bore diameter your equipment requires.

These bearings are used in a wide variety of industries in Argentina, such as metallurgy, food, cement and mining. They are found in gearboxes, conveyor belts, machine tools, pumping equipment and power transmission systems. Their ability to support combined loads makes them suitable for mountings where radial and axial stresses occur simultaneously.

For correct selection and mounting, consider the alignment of the supports, the type of lubrication and the fit on the shaft and housing. Lubrication must be suitable for the operating speed and temperature conditions. During mounting, avoid direct blows on the rollers and check alignment to prevent additional loads. Follow the manufacturer's recommendations for internal clearance and sealing according to the working environment.

When replacing a bearing, it is common to find equivalent codes from other brands. If you have another brand's code or an unidentified part, we can help you find the corresponding SKF reference. Interchangeability between brands is based on main dimensions and load capacity, but it is always advisable to verify the technical specifications to ensure optimal operation.

If you need a quote for SKF tapered roller bearings, write to us on WhatsApp with the code or the dimensions you require. At MR Accesorios Industriales we provide technical advice and quote you promptly. We sell and distribute SKF in Argentina, with the experience of more than 80 years in the industrial market.

Other SKF versions of the 30308 series

These versions of the 30308 series appear in SKF catalogues and do not have their own page on this site. Ask us about any of them with the part number: we will source it and send you a quote.

  • SKF 30308 J2/Q

Dimensions

Bore
40mm

Frequently Asked Questions

What applications do SKF tapered roller bearings have?
They are used in gearboxes, conveyor belts, machine tools, pumping equipment and transmission systems. They support combined radial and axial loads, which is why they are common in the metallurgy, food, cement and mining industries.
How do I choose the correct code for my equipment?
You need to identify the series and the bore diameter your machine requires. With that data, we quote the corresponding SKF code. If you have another brand's code, we can also help you find the equivalent.
What care should I take when mounting a tapered roller bearing?
Check the alignment of the supports, use proper lubrication and avoid blows on the rollers. Follow the manufacturer's recommendations for fit and internal clearance. Careful mounting extends the bearing's service life.
Request a quote for 30308T72 J2/QDBC220 via WhatsApp
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