Tapered Roller Bearings – 2TS-IM (Matched Bearing Assembly, Indirect Mount)

Tapered Roller Bearings Product Introduction

**TIMKEN Tapered Roller Bearings: Engineered for Precision and Durability in Demanding Applications**

TIMKEN’s **2TS and 2TS IM Matched Tapered Roller Bearing Assemblies** represent the pinnacle of performance and reliability in mechanical power transmission systems. Designed to handle combined radial and thrust loads with exceptional efficiency, these bearings are engineered for applications requiring precise alignment, high load capacity, and long service life. Whether in heavy-duty industrial machinery, automotive systems, or precision equipment, TIMKEN’s tapered roller bearings deliver unmatched durability and performance under the most demanding conditions.

### **Technical Features & Design Advantages**

The **2TS Series** consists of pre-matched bearing assemblies, comprising two single-row tapered roller bearings mounted in a direct configuration. This design ensures optimal load distribution, reducing stress concentrations and extending bearing life. Key features include:

– **Optimized Contact Geometry:** Precision-ground rollers and raceways minimize friction while maximizing load-carrying capacity.
– **Premium Steel Construction:** Manufactured from high-quality, clean steel for superior strength and fatigue resistance.
– **Precision Alignment:** Matched sets ensure consistent performance, reducing the risk of misalignment-induced wear.
– **Enhanced Lubrication Retention:** Advanced cage designs and sealing options improve grease retention and contamination resistance.

The **2TS IM (Indirect Mount) Series** offers a specialized configuration where bearings are mounted in an opposed (indirect) arrangement. This setup is ideal for applications requiring adjustable preload or axial displacement compensation, such as in gearboxes, wheel hubs, and industrial drivetrains.

### **Performance Benefits**

– **High Load Capacity:** Engineered to support heavy radial and axial loads simultaneously, making them ideal for gearboxes, conveyors, and heavy machinery.
– **Extended Service Life:** Advanced heat treatment and surface finishing reduce wear, ensuring reliable operation even in harsh environments.
– **Reduced Friction & Heat Generation:** Optimized roller profiles and premium lubrication compatibility enhance efficiency and reduce energy losses.
– **Versatile Mounting Options:** The 2TS IM’s indirect mount configuration allows for flexible installation in complex assemblies.

### **Typical Applications**

TIMKEN’s 2TS and 2TS IM bearings are widely used across industries where precision, durability, and high load capacity are critical:

– **Industrial Machinery:** Gear reducers, pumps, mining equipment, and material handling systems.
– **Automotive Systems:** Wheel hubs, differentials, and transmission assemblies.
– **Precision Equipment:** Machine tool spindles, printing presses, and robotics.

With over a century of bearing expertise, TIMKEN continues to set the standard for tapered roller bearing technology. The **2TS and 2TS IM Series** exemplify this legacy, offering engineers and maintenance professionals a trusted solution for maximizing equipment uptime and performance. Whether in high-speed, high-load, or harsh operating conditions, these bearings ensure reliability when it matters most.

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Part Number d - Bore D - Cup Outer Diameter T - Width C - Widthh C1 - Dynamic Radial Rating (1 million revolutions)
LL771948 - LL771911 (LL771948XA - LL771911EB)
476.250 mm
565.150 mm
127 mm
107.95 mm
817000 N
80480 - 80425 (X3S-80480)
482.600 mm
615.950 mm
107.95 mm
82.55 mm
1140000 N
LM772748 - LM772710 (LM772748XR)
488.950 mm
634.873 mm
209.990 mm
165.538 mm
3240000 N
LM772748 - LM772710 (LM772748XS)
488.950 mm
634.873 mm
227.990 mm
183.540 mm
3240000 N
LM772748 - LM772710 (LM772748XC - LM772710EC)
488.950 mm
634.873 mm
234.950 mm
190.5 mm
3240000 N
LM772748 - LM772710 (LM772748XE - LM772710EE)
488.950 mm
634.873 mm
187.775 mm
143.325 mm
3240000 N
LL575343 - LL575310 (LL575343XA - LL575310EA)
533.400 mm
635.000 mm
120.65 mm
95.25 mm
1550000 N
LL575349 - LL575310 (LL575349XA - LL575310EA)
539.750 mm
635.000 mm
120.65 mm
95.25 mm
1550000 N
LL575349 - LL575310 (LL575349XA - LL575310EB)
539.750 mm
635.000 mm
120.65 mm
95.25 mm
1550000 N
LL778149 - LL778110 (LL778149XA - LL778110EA)
584.200 mm
685.800 mm
107.95 mm
79.375 mm
1390000 N
L879947 - L879910 (L879947XA - L879910EA)
609.600 mm
762.000 mm
205.476 mm
157.851 mm
3450000 N
L879947 - L879910 (K638156 - K798910)
609.600 mm
762.000 mm
289 mm
241.376 mm
3450000 N
LL481448 - LL481411 (LL481448XA - LL481411EB)
673.100 mm
793.750 mm
149.225 mm
114.299 mm
1930000 N
LL481448 - LL481411 (K161319 - K161318)
673.100 mm
793.750 mm
160 mm
125.074 mm
1930000 N
LL483449 - LL483418 (LL483449XA - LL483418EA)
762.000 mm
889.000 mm
158.100 mm
120.000 mm
2730000 N
LL771948 - LL771911 (LL771948XB - LL771911EC)
476.250 mm
565.150 mm
95.25 mm
76.2 mm
817000 N
L853049 - L853010 (L853049XA - L853010EA)
276.225 mm
352.425 mm
85.024 mm
59.624 mm
580000 N
HM259048 - HM259010 (K734795 - K971673)
317.500 mm
447.675 mm
190 mm
155.075 mm
2940000 N
LM654642 - LM654611 (LM654642XA - LM654611EA)
279.982 mm
380.009 mm
160.175 mm
128.425 mm
1260000 N
L860049 - L860010 (L860049XS - L860010EE)
330.200 mm
415.925 mm
145.237 mm
119.837 mm
844000 N