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.

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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)
14119A - 14276D
14000
30.226 mm
69.012 mm
19.583 mm
38.100 mm
46.040 mm
14200 N
95100 N
14139X - 14276D
14000
35.001 mm
69.012 mm
19.583 mm
38.100 mm
46.040 mm
14200 N
95100 N
EE134102 - 134144CD
134000
260.350 mm
365.125 mm
58.738 mm
98.425 mm
130.175 mm
176000 N
1180000 N
14136A - 14276D
14000
34.925 mm
69.012 mm
26.721 mm
38.100 mm
60.315 mm
14200 N
95100 N
14137A - 14276D
14000
34.925 mm
69.012 mm
19.583 mm
38.100 mm
46.040 mm
14200 N
95100 N
13685A - 13621D
13600
38.1 mm
69.012 mm
19.050 mm
38.100 mm
46.032 mm
17400 N
117000 N
14123AA - 14276D
14000
31.750 mm
69.012 mm
26.721 mm
38.100 mm
60.315 mm
14200 N
95100 N
14120A - 14276D
14000
30 mm
69.012 mm
26.721 mm
38.100 mm
60.315 mm
14200 N
95100 N
13685 - 13621D
13600
38.1 mm
69.012 mm
19.050 mm
38.100 mm
46.032 mm
17400 N
117000 N
14120 - 14276D
14000
30.226 mm
69.012 mm
26.721 mm
38.100 mm
60.315 mm
14200 N
95100 N
EE147112 - 147198D
147000
285.750 mm
501.650 mm
88.900 mm
120.650 mm
203.200 mm
353000 N
2370000 N
13682 - 13621D
13600
36.513 mm
69.012 mm
19.050 mm
38.100 mm
46.032 mm
17400 N
117000 N
14118AS - 14276D
14000
29.987 mm
69.012 mm
19.202 mm
38.100 mm
46.040 mm
16800 N
113000 N
EE107060 - 107105CD
107000
152.400 mm
268.288 mm
74.613 mm
125.413 mm
160.338 mm
203000 N
1370000 N
EE127095 - 127136CD
127000
241.300 mm
349.148 mm
57.150 mm
101.600 mm
127 mm
171000 N
1150000 N
EE130851 - 131401CD
130000
215.900 mm
355.6 mm
69.850 mm
111.125 mm
152.400 mm
206000 N
1390000 N
EE107060V - 107105CD
107000
152.400 mm
268.288 mm
74.613 mm
125.413 mm
160.338 mm
241000 N
1620000 N
EE127095 - 127137D
127000
241.300 mm
350.838 mm
57.150 mm
101.600 mm
127 mm
171000 N
1150000 N
EE130889 - 131401CD
130000
225.425 mm
355.6 mm
69.850 mm
111.125 mm
152.400 mm
206000 N
1390000 N
EE107057V - 107105CD
107000
146.050 mm
268.288 mm
74.613 mm
125.413 mm
160.338 mm
241000 N
1620000 N