Timken 31307-90KA1 Tapered Roller Bearing

Description

This is a single-row tapered roller bearing, model 31307-90KA1, manufactured by Timken. Designed for high performance, these bearings can accommodate combined radial and axial loads. This part number represents a matched set, including both the cone (inner race assembly) and the cup (outer race), ensuring proper fit and function upon installation. It is a standard metric bearing widely used in gearboxes, automotive transaxles, and various industrial machinery.

Specifications

• Bore Diameter (d): 35 mm
• Outside Diameter (D): 80 mm
• Total Width (T): 22.75 mm
• Cone Part Number: X31307M
• Cup Part Number: Y31307M
• Cage Material: Stamped Steel
• Number of Rows: 1

Label Info

• Manufacturer: Timken
• Part Number: 31307-90KA1
• UPC: 0053892037981

Application

Ideal for use in applications such as vehicle wheel ends, industrial gear reducers, and agricultural machinery where high radial and thrust loads are present.

Country of Origin

Made in India.

CO2 Impact

Reusing this product saves approximately 1.06 kg of CO2, which is comparable to the emissions from driving a car for over 5 kilometers.

Availability

This item is in stock and ready for immediate dispatch. Order now from PLC2Day for expert support and fast delivery.

FAQ

The -90KA1 suffix in the Timken part number system indicates that this is a matched bearing assembly. It consists of a specific cone and cup that are manufactured to be used together for optimal performance and lifespan.

The appropriate lubrication (grease or oil) depends heavily on the application's operating speed, load, and temperature. Always consult your machinery's maintenance manual or Timken's engineering guidelines to select the correct lubricant type and viscosity.

No, Timken tapered roller bearings are typically shipped with a light preservative oil to prevent corrosion. They must be properly cleaned and lubricated with the appropriate grease or oil before installation and operation.

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Last Update: Friday, March 13, 2026