Tapered Roller Bearings – Double Tapered Cones – Imperial

Tapered Roller Bearings Product Introduction

**TIMKEN Tapered Roller Bearings – Double Cones (Imperial Series 271): Engineered for Heavy-Duty Performance**

For over a century, TIMKEN has set the global standard for tapered roller bearing technology, delivering unmatched reliability in the most demanding industrial and automotive applications. Among its robust portfolio, the **TIMKEN Double Tapered Cones (Imperial Series 271)** stand out as a high-performance solution designed to handle heavy radial and thrust loads simultaneously. These precision-engineered bearings combine advanced metallurgy, optimized geometry, and rigorous manufacturing tolerances to extend equipment life, reduce maintenance costs, and enhance operational efficiency across critical machinery.

### **Technical Features & Design Advantages**
The **Series 271 Double Tapered Cones** are crafted for applications requiring superior load distribution and alignment flexibility. Key features include:

– **Dual-Row Design**: Two independent cone assemblies enable balanced load sharing, accommodating combined radial and axial forces in a compact footprint.
– **Premium Steel Alloys**: Manufactured from ultra-clean, case-hardened steel for exceptional fatigue resistance and durability under shock loads or high-speed conditions.
– **Precision Ground Surfaces**: Optimized roller profiles and raceway finishes minimize friction, heat generation, and wear, even in misalignment scenarios.
– **Interchangeability**: Conforms to imperial dimensions for seamless integration with existing systems, reducing downtime during replacements.
– **Sealing & Lubrication Options**: Compatible with TIMKEN’s advanced sealing solutions (e.g., labyrinth or contact seals) and specialty greases for contaminated environments.

### **Performance Benefits**
TIMKEN’s double cones excel where single-row bearings fall short, offering:
– **Higher Load Capacity**: The dual-row configuration distributes loads evenly, making them ideal for applications with oscillating or variable force directions.
– **Extended Service Life**: Reduced stress concentrations and improved lubrication retention lead to longer intervals between overhauls.
– **Versatility**: Performs reliably in both slow-speed, high-torque environments (e.g., conveyor pulleys) and high-speed applications (e.g., gearbox systems).

### **Typical Applications**
The **Series 271 Double Tapered Cones** are widely specified in heavy industries, including:
– **Industrial Machinery**: Crushers, extruders, and mining equipment where shock loads and misalignment are common.
– **Automotive Systems**: Wheel hubs, differentials, and drivetrains in commercial vehicles and off-highway equipment.
– **Precision Equipment**: Wind turbine gearboxes, rolling mill stands, and pulp/paper processing machinery requiring sustained performance under extreme conditions.

Engineered to exceed industry benchmarks, TIMKEN’s Double Tapered Roller Bearings deliver the strength, precision, and longevity needed to keep critical systems running smoothly. Whether in harsh environments or precision-driven applications, they represent a proven investment in reduced downtime and total cost of ownership.

*For specific dimensions, load ratings, or customization options, consult TIMKEN’s engineering resources or product catalogs.*

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Part Number Series d - Cone Bore B - Double Cone Width C1 - Dynamic Radial Rating(1 million revolutions) C0 - Static Radial Rating
96851DW
96000
215.900 mm
130.175 mm
759000 N
1420000 N
97500D
97000
127 mm
151.244 mm
376000 N
486000 N
99587D
99000
149.225 mm
120.650 mm
660000 N
1030000 N
EE113090D
113000
228.600 mm
158.750 mm
1270000 N
1600000 N
EE126096D
126000
244.475 mm
146.050 mm
907000 N
1690000 N
EE126096DGW
126000
244.475 mm
146.050 mm
907000 N
1690000 N
EE127094D
127000
241.224 mm
107.950 mm
660000 N
1250000 N
EE127097DW
127000
241.478 mm
107.950 mm
660000 N
1250000 N
EE128114D
128000
279.999 mm
206.375 mm
924000 N
1820000 N
EE129119D
129000
299.974 mm
134.938 mm
896000 N
1780000 N
EE129119DG
129000
299.974 mm
134.938 mm
896000 N
1780000 N
EE129121D
129000
304.648 mm
134.938 mm
896000 N
1780000 N
EE129123D
129000
305.001 mm
134.938 mm
896000 N
1780000 N
EE130850D
130000
215.900 mm
120.650 mm
796000 N
1400000 N
EE130887D
130000
225.425 mm
120.650 mm
796000 N
1400000 N
07100D
07000
25.400 mm
36.513 mm
29100 N
29600 N
07101DW
07000
25.400 mm
36.513 mm
27500 N
29600 N
13176D
13000
44.450 mm
31.750 mm
50800 N
61100 N
13182D
13000
46.038 mm
31.750 mm
50800 N
61100 N
14126D
14000
31.750 mm
39.182 mm
54600 N
61700 N
17116D
17000
30.163 mm
34.925 mm
43200 N
44100 N
19145D
19000
36.513 mm
38.100 mm
50700 N
57800 N
19152D
19000
38.1 mm
49.200 mm
50700 N
57800 N
357DW
355
42.863 mm
65.075 mm
81800 N
88800 N