TIMKEN 30208M 90KM1

Timken 30208M Tapered Roller Bearing

Description

The Timken 30208M is a single-row tapered roller bearing designed to accommodate combined radial and axial loads with high precision. As part of Timken’s IsoClass line, it is manufactured to high standards for consistent performance. The ‘M’ designation indicates a robust machined brass cage, making it suitable for applications with high speeds, vibration, and shock loads.

Specifications

• Manufacturer: Timken
• Model: 30208M
• Part Number: 90KM1
• Type: Tapered Roller Bearing (Single Row)
• Bore Diameter (d): 40 mm
• Outer Diameter (D): 80 mm
• Total Width (T): 19.75 mm
• Cage Material: Machined Brass

Label Info

• Brand: TIMKEN
• Model on Bearing: X30208M ISOCLASS
• Model on Box: 30208M 90KM1
• EAN: 053893430744

Application

This bearing is commonly used in industrial gearboxes, vehicle axles, rolling mills, construction and mining equipment, and other machinery where both radial and thrust loads are present.

Country of Origin

Made in Poland.

CO2 Impact

By purchasing this pre-owned item, you are helping to avoid the environmental impact of manufacturing a new one, saving approximately 0.94 kg of CO2.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

What does the ‘M’ suffix in 30208M signify?

The ‘M’ suffix in the Timken 30208M designation indicates a machined brass cage. This type of cage provides high strength and is suitable for high-speed applications, and can better withstand vibration and shock loads compared to a standard stamped steel cage.

Can this Timken 30208M bearing be used to replace a bearing from another brand with the same 30208 designation?

Yes, the 30208 is a standard ISO dimension series bearing. This means a Timken 30208M is dimensionally interchangeable with a 30208 from other major manufacturers like SKF, FAG, or NTN. However, always check the specific suffixes for details on internal design, clearance, or precision class if your application is critical.

What are the key mounting considerations for a tapered roller bearing like the 30208M?

Tapered roller bearings must be mounted in pairs in a back-to-back or face-to-face arrangement to handle axial loads in both directions. Proper preload or clearance is critical for performance and bearing life. It is essential to follow the machine manufacturer’s guidelines for setting the correct preload during installation.

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Last Update: Friday, March 13, 2026