Tapered Roller Bearings – TDO (Tapered Double Outer) Imperial

Tapered Roller Bearings Product Introduction

**TIMKEN Tapered Roller Bearings – TDO (Tapered Double Outer) Series: Superior Load Handling for Demanding Applications**

TIMKEN Tapered Roller Bearings are renowned for their exceptional durability, precision, and ability to manage combined radial and axial loads in high-performance industrial and automotive systems. Among TIMKEN’s extensive bearing portfolio, the **TDO (Tapered Double Outer) series**, including both metric (0) and imperial (2093) designs, stands out for its robust construction and versatility in heavy-load applications. These bearings are engineered to deliver unmatched reliability in environments where extreme forces, misalignment, or variable speeds are common.

### **Technical Features & Design Advantages**
The **TDO tapered roller bearings** feature a unique double outer ring and single inner ring configuration, enabling them to accommodate substantial radial and thrust loads in both directions. This design is particularly beneficial in applications where space constraints or shaft deflection might otherwise compromise performance. Key features include:

– **Optimized Load Distribution**: The tapered rollers are precision-ground to ensure even load sharing, reducing stress concentrations and extending service life.
– **Enhanced Rigidity**: The double-cup (outer ring) design increases stiffness, making these bearings ideal for applications with high moment loads or shaft misalignment.
– **Superior Lubrication Retention**: Advanced sealing options and optimized internal geometries help maintain consistent lubrication, even in harsh operating conditions.
– **Interchangeability & Standardization**: Available in both metric (0-series) and imperial (2093-series) sizes, TIMKEN TDO bearings are designed to replace competitor units seamlessly while offering improved performance.

### **Performance Benefits**
TIMKEN’s TDO tapered roller bearings excel in applications requiring high load capacity, shock resistance, and long-term reliability. Their ability to handle **combined axial and radial loads** makes them indispensable in heavy machinery, while their precision ensures smooth operation in high-speed scenarios. Additional advantages include:

– **Extended Bearing Life**: Advanced steel alloys and heat treatment processes enhance fatigue resistance, reducing downtime and maintenance costs.
– **Reduced Friction & Heat Generation**: Precision-engineered roller profiles minimize friction, improving efficiency and reducing energy consumption.
– **Versatility Across Industries**: Suitable for both slow, heavy-load applications (e.g., mining equipment) and high-speed operations (e.g., gearboxes).

### **Typical Applications**
TIMKEN TDO tapered roller bearings are widely used in industries where reliability under extreme conditions is critical. Common applications include:

– **Industrial Machinery**: Conveyor systems, crushers, and heavy-duty gearboxes requiring high radial and thrust load support.
– **Automotive & Transportation**: Wheel hubs, differential systems, and truck axles where durability and load management are essential.
– **Precision Equipment**: Machine tool spindles and rolling mills where alignment accuracy and minimal deflection are crucial.

For engineers and maintenance professionals seeking a robust, high-performance bearing solution, TIMKEN’s TDO series offers a proven combination of strength, precision, and longevity—ensuring optimal performance in the most demanding environments.

MORE +
CLOSE +
Part Number Series d - Bore D - Cup Outer Diameter B - Cone Width C - Double Cup Width T - Bearing Width across Cones C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)
M268744WS - M268710CD
M268700
409.575 mm
590.550 mm
114.300 mm
193.675 mm
244.472 mm
810000 N
5440000 N
M249749X - M249710CD
M249700
254 mm
358.775 mm
71.438 mm
117.475 mm
152.397 mm
237000 N
1590000 N
M268749WS - M268710CD
M268700
415.925 mm
590.550 mm
114.300 mm
193.675 mm
244.472 mm
810000 N
5440000 N
M249736 - M249710CD
M249700
237.330 mm
358.775 mm
71.438 mm
117.475 mm
152.397 mm
237000 N
1590000 N
M268749 - M268710CD
M268700
415.925 mm
590.550 mm
114.300 mm
193.675 mm
244.472 mm
740000 N
4970000 N
M249734 - M249710CD
M249700
231.775 mm
358.775 mm
71.438 mm
117.475 mm
152.397 mm
237000 N
1590000 N
M270749 - M270710CD
M270700
447.675 mm
635.000 mm
120.650 mm
206.375 mm
257.175 mm
849000 N
5700000 N
M241547V - M241513D
M241500
203.2 mm
301.625 mm
57.945 mm
140.005 mm
125.453 mm
195000 N
1310000 N
M249732 - M249710CD
M249700
228.600 mm
358.775 mm
71.438 mm
117.475 mm
152.397 mm
237000 N
1590000 N
M270744 - M270710CD
M270700
444.5 mm
635.000 mm
120.650 mm
206.375 mm
257.175 mm
849000 N
5700000 N
M241545 - M241513D
M241500
200.812 mm
301.625 mm
61.913 mm
140.005 mm
125.453 mm
145000 N
975000 N
M249749 - M249710CD
M249700
254 mm
358.775 mm
71.438 mm
117.475 mm
152.397 mm
237000 N
1590000 N
M270730 - M270710CD
M270700
409.575 mm
635.000 mm
120.650 mm
206.375 mm
257.175 mm
849000 N
5700000 N
LM772748 - LM772710CD
LM772700
488.950 mm
634.873 mm
84.138 mm
136.525 mm
180.975 mm
482000 N
3240000 N
M241545 - M241510CD
M241500
200.812 mm
292.100 mm
61.913 mm
101.600 mm
125.415 mm
145000 N
975000 N
LM869448 - LM869410CD
LM869400
431.800 mm
571.500 mm
74.613 mm
111.125 mm
155.572 mm
319000 N
2140000 N
M241549 - M241510CD
M241500
204.788 mm
292.100 mm
57.945 mm
101.600 mm
125.415 mm
156000 N
1040000 N
LM961548 - LM961511D
LM961500
342.900 mm
457.098 mm
63.5 mm
101.600 mm
142.875 mm
213000 N
1430000 N
M241547A - M241510CD
M241500
203.2 mm
292.100 mm
57.945 mm
101.600 mm
125.415 mm
165000 N
1110000 N
M224748 - M224710D
M224700
119.974 mm
174.625 mm
36.513 mm
61.913 mm
77.785 mm
63400 N
426000 N