**TIMKEN Tapered Roller Bearings – Single Cones (Metric Series 473): Precision, Durability, and Performance for Demanding Applications**
TIMKEN’s Metric Series 473 Single Cone Tapered Roller Bearings represent the pinnacle of engineering excellence, delivering unmatched reliability and performance in high-load, high-speed applications. Designed to handle combined radial and thrust loads, these bearings are a critical component in industrial machinery, automotive systems, and precision equipment where durability and efficiency are non-negotiable.
### **Technical Features & Design Advantages**
The Metric Series 473 Single Cones are precision-engineered with an optimized tapered roller and rib design, ensuring even load distribution and reduced stress concentrations. Key features include:
– **High-Quality Steel Construction:** Manufactured from premium-grade alloy steel, these bearings undergo rigorous heat treatment processes to enhance hardness, fatigue resistance, and operational lifespan.
– **Precision Ground Surfaces:** The rollers and raceways are meticulously ground and super-finished to minimize friction, reduce heat generation, and maintain consistent performance under heavy loads.
– **Robust Cage Design:** The reinforced steel or polymer cage securely retains rollers, preventing misalignment and ensuring smooth rotation even in high-vibration environments.
– **Interchangeability & Standard Compliance:** Conforming to ISO metric standards (473 series), these single cones are designed for seamless integration with matching cups, simplifying maintenance and replacement.
### **Performance Benefits**
TIMKEN’s tapered roller bearings excel in applications where both radial and axial loads are present, offering distinct advantages:
– **Superior Load Capacity:** The tapered geometry allows for efficient distribution of radial and thrust loads, making them ideal for gearboxes, wheel hubs, and heavy machinery.
– **Extended Service Life:** Advanced lubrication retention features and wear-resistant materials reduce maintenance frequency and downtime.
– **High-Speed Capability:** Optimized internal geometry minimizes skidding and ensures stable operation at elevated speeds, critical for automotive drivetrains and industrial spindles.
– **Reduced Friction & Energy Loss:** Precision engineering lowers torque requirements, improving energy efficiency in power transmission systems.
### **Typical Applications**
TIMKEN Metric Series 473 Single Cones are widely used across industries, including:
– **Industrial Machinery:** Conveyors, crushers, and mining equipment requiring robust bearings for shock and misalignment resistance.
– **Automotive Systems:** Wheel hubs, differentials, and transmissions where high-load capacity and durability are essential.
– **Precision Equipment:** Machine tool spindles and agricultural machinery demanding tight tolerances and smooth operation.
Engineered for reliability in the harshest conditions, TIMKEN’s tapered roller bearings ensure optimal performance, reduced downtime, and long-term cost savings. Whether in heavy industrial applications or precision automotive systems, the Metric Series 473 Single Cones deliver the strength and precision that keep operations running smoothly.
| Part Number | Series | d - Cone Bore | B - Cone Width | C1 - Dynamic Radial Rating (1 million revolutions) | C0 - Static Radial Rating |
|---|---|---|---|---|---|
32208 |
40 mm |
23.000 mm |
95900 N |
86500 N |
|
32208M |
40 mm |
23.000 mm |
105000 N |
98000 N |
|
32308 |
40 mm |
33.000 mm |
133000 N |
150000 N |
|
33108 |
40 mm |
26.000 mm |
104000 N |
105000 N |
|
33208 |
40 mm |
32.000 mm |
143000 N |
144000 N |
|
32008X |
40 mm |
19.000 mm |
65800 N |
71600 N |
|
33108 |
40 mm |
26.000 mm |
104000 N |
105000 N |
|
32308-B |
40 mm |
33.500 mm |
157000 N |
160000 N |
|
33210 |
40 mm |
32.000 mm |
154000 N |
166000 N |
|
32308 |
40 mm |
33.000 mm |
133000 N |
150000 N |
|
30308 |
40 mm |
23.000 mm |
117000 N |
102000 N |
|
31308 |
40 mm |
23.000 mm |
101000 N |
88100 N |
|
JW4500 |
45 mm |
26.500 mm |
118000 N |
114000 N |
|
LM102900 |
45 mm |
19.800 mm |
61500 N |
81800 N |
|
30209M |
45 mm |
19.000 mm |
94800 N |
89000 N |
|
30309M |
45 mm |
25.000 mm |
129000 N |
139000 N |
|
31309M |
45 mm |
25.000 mm |
125000 N |
113000 N |
|
32009X |
45 mm |
20.000 mm |
78700 N |
84300 N |
|
32009XM |
45 mm |
20.000 mm |
66400 N |
84300 N |
|
32209 |
45 mm |
23.000 mm |
104000 N |
98700 N |
|
32209M |
45 mm |
23.000 mm |
104000 N |
98700 N |
|
32209 |
45 mm |
23.000 mm |
104000 N |
98700 N |
|
32309M |
45 mm |
36 mm |
183000 N |
171000 N |
|
33109 |
45 mm |
26.000 mm |
113000 N |
119000 N |