**TIMKEN Tapered Roller Bearings: Single Cups & Flanged Cups for Demanding Industrial Applications**
For over a century, TIMKEN has been a global leader in engineered bearings and mechanical power transmission solutions, delivering unmatched reliability and performance in the most demanding applications. Among its flagship products, **TIMKEN Tapered Roller Bearings** stand out for their precision, durability, and ability to handle combined radial and thrust loads. This introduction focuses on two critical variants: **Single Cups (0 Series)** and **Single Flanged Cups (Imperial 261 Series)**, highlighting their technical features, performance advantages, and industrial applications.
### **Technical Features & Design Excellence**
TIMKEN’s **Single Cups (0 Series)** and **Single Flanged Cups (Imperial 261 Series)** are designed for high-load, high-speed, and long-service applications. These bearings feature:
– **Optimized Tapered Geometry** – Precision-engineered rollers and raceways ensure even load distribution, reducing friction and wear.
– **Robust Construction** – Manufactured from premium alloy steel, these bearings undergo advanced heat treatment for superior hardness and fatigue resistance.
– **Flanged Cup Design (261 Series)** – The integrated flange provides secure axial location, simplifying housing design and preventing misalignment in dynamic applications.
– **Interchangeability & Standardization** – Conforming to imperial dimensions, these bearings are compatible with industry-standard housings, ensuring easy replacement and integration.
### **Performance Advantages**
TIMKEN’s tapered roller bearings excel in environments where shock loads, heavy radial/axial forces, and high rotational speeds are present. Key benefits include:
– **Extended Service Life** – Advanced metallurgy and precision grinding minimize wear, reducing maintenance frequency.
– **Enhanced Load Capacity** – The tapered design efficiently manages both radial and thrust loads, making them ideal for combined load scenarios.
– **Reduced Friction & Heat Generation** – Optimized roller profiles and surface finishes enhance lubrication efficiency, lowering operating temperatures.
– **Versatility in Mounting** – Single cups allow for flexible configurations, while flanged cups provide added stability in applications requiring precise axial positioning.
### **Typical Applications**
These bearings are widely used across industries where reliability and precision are critical:
– **Industrial Machinery** – Conveyors, gearboxes, pumps, and mining equipment benefit from their high load capacity and durability.
– **Automotive Systems** – Wheel hubs, transmissions, and differentials rely on tapered roller bearings for smooth power transmission under varying loads.
– **Precision Equipment** – Machine tool spindles and agricultural machinery leverage their ability to maintain accuracy under stress.
### **Conclusion**
TIMKEN’s **Single Cups (0 Series)** and **Single Flanged Cups (Imperial 261 Series)** represent the pinnacle of tapered roller bearing technology, offering engineers a trusted solution for harsh operating conditions. Whether in heavy industry, automotive systems, or precision machinery, these bearings deliver consistent performance, reduced downtime, and long-term cost savings—reinforcing TIMKEN’s legacy as a leader in mechanical power transmission innovation.
For applications demanding strength, precision, and reliability, TIMKEN’s tapered roller bearings remain the industry benchmark.
| Part Number | Series | D - Cup Outer Diameter | C - Cup Widthh |
|---|---|---|---|
455 |
107.95 mm |
24.605 mm |
|
495 |
140 mm |
22.225 mm |
|
395 |
110 mm |
18.824 mm |
|
455 |
109.949 mm |
22.225 mm |
|
49500 |
101.600 mm |
25.4 mm |
|
39500 |
112.713 mm |
23.813 mm |
|
46700 |
225.425 mm |
33.338 mm |
|
525 |
101.600 mm |
26.988 mm |
|
39500 |
112.713 mm |
23.813 mm |
|
470000 |
336.550 mm |
63.500 mm |
|
52000 |
157.163 mm |
26.195 mm |
|
41000 |
72.626 mm |
17.463 mm |
|
475 |
120 mm |
24.237 mm |
|
526000 |
482.600 mm |
60.325 mm |
|
420000 |
365.049 mm |
63.500 mm |
|
47600 |
133.350 mm |
26.195 mm |
|
52000 |
160 mm |
26.195 mm |
|
42000 |
149.225 mm |
24.608 mm |
|
47600 |
136.525 mm |
51.595 mm |
|
52000 |
161.925 mm |
26.195 mm |
|
42600 |
127 mm |
22.225 mm |
|
47600 |
136.525 mm |
38.1 mm |
|
535 |
111.125 mm |
30.163 mm |
|
42600 |
130 mm |
22.225 mm |