25821 TIMKEN Single Row Tapered Roller Bearing Cup

Review TIMKEN New Single Row Tapered Roller Bearing Cup Nib Make Offer

The Timken 25821 is a single row tapered roller bearing cup designed for various applications where heavy loads and high precision are required. This bearing component is engineered to provide excellent load-carrying capacity, smooth operation, and extended service life.

The cup features a tapered roller design, which allows for the rollers to conform to the tapered raceways of the inner and outer rings, reducing friction and increasing load capacity. The cup is manufactured using high-quality steel, ensuring high strength and durability.

The Timken 25821 tapered roller bearing cup is available in various sizes to accommodate different applications, with inner diameters ranging from 22mm to 160mm and widths ranging from 12mm to 130mm. The cup is also available with different clearances, including standard, intermediate, and tight clearances, to meet specific application requirements.

The bearing cup comes with an integral groove for sealing, which can be used with various sealing options, such as labyrinth seals, contact seals, or shields. This feature helps to prevent the entry of contaminants, ensuring a longer service life and improved reliability.

The cup features a ribbed design on the outer surface, which helps to distribute the load evenly across the width of the cup and increases its rigidity, providing better support to the rollers and reducing deflection.

The Timken 25821 tapered roller bearing cup is easy to install and can be mounted in various ways, including bolted, flanged, or clamped mounting. It is also compatible with various types of housing designs, such as open or sealed housing, making it a versatile solution for a wide range of applications.

In summary, the Timken 25821 single row tapered roller bearing cup is a high-performance bearing component designed for heavy loads and high precision applications. Its tapered roller design, high-quality steel construction, integral sealing groove, and ribbed design make it an excellent choice for reliable and efficient operation in various industries, including manufacturing, mining, and transportation.

Timken 25821 is a single row tapered roller bearing cup produced by Timken, a well-known bearing manufacturer. Like any other product, this bearing has its advantages and disadvantages. Here's a detailed analysis:

1. High Load Capacity: This bearing can handle heavy loads due to its robust design and high-quality steel used in its construction.

2. Smooth Operation: With its precision-machined surfaces, this bearing ensures minimal friction and smooth operation.

3. Long Service Life: Its durable design and high-quality materials ensure a long service life, reducing the need for frequent replacements.

4. Versatile Applications: This bearing is suitable for a wide range of applications, including industrial machinery, automotive, and aerospace industries.

1. Higher Cost: Compared to other types of bearings, such as ball bearings, this tapered roller bearing is more expensive due to its complex design and higher material requirements.

2. Limited Misalignment Capacity: Since it has a tapered design, this bearing can only handle a limited amount of misalignment before experiencing increased stress and potential failure.

3. Installation Complexity: Installing this bearing can be more complex than installing other types of bearings due to its tapered design and larger size.

The Timken 25821 single row tapered roller bearing cup is a high-performance bearing suitable for applications that require a high load capacity, smooth operation, and long service life. However, it comes with a higher cost, limited misalignment capacity, and installation complexity. If an application meets the requirements for this bearing and can accommodate its limitations, it is a worthwhile investment.

If you're looking for a bearing with a high load capacity, smooth operation, and long service life, the Timken 25821 single row tapered roller bearing cup is an excellent choice. However, ensure that your application can handle its higher cost, limited misalignment capacity, and installation complexity before making the purchase. Additionally, consider consulting with a bearing expert or engineer to ensure the correct size and specifications for your application.

Details:

This item must be settled for immediately. Unless described as new above, items are used. Please let us know of your concern prior to opening a return. You are only buying the item pictured/described.

This lot consists of: 1 new Timken 25821 single row tapered roller bearing cup. The approximate shipping weight is 1 lb.

specifications alarmpartsacc:

• brand: Timken
• mpn: 25821
• part type: Roller Bearing
• country of origin: United States

shipping alarmpartsacc:

• transit: 4-8 days
• type: calculated
• class: standard
• service: usps ground advantage
• carrier: usps

offer alarmpartsacc:

• started: march 27, 2026
• prices: $14.99–$21.00
• item condition:
  • New
  • New – Open box
  • New other (see details)
• best offers: true
• options: ship-to-home
• in stock #: 5
• availability: in stock
• sold #: 6

returns alarmpartsacc:

• policy: returns accepted
• paid by: buyer
• method: money back
• time: 30 days

seller alarmpartsacc:

• rating: 100.0%
• city: warrensburg, missouri
• # reviews: 26852

payments alarmpartsacc:

• other
• wallet: google-pay
• credit card: diners-club

general alarmpartsacc:

• category: Business & Industrial > Surveillance Equipment > Systems > Alarm Parts Accessories