Tapered Roller Bearings – Single Cones – Imperial

Tapered Roller Bearings Product Introduction

**TIMKEN Tapered Roller Bearings – Single Cones (Imperial Series 2490): Engineered for Precision and Durability**

TIMKEN tapered roller bearings are synonymous with reliability, high load capacity, and precision performance in demanding industrial and automotive applications. Among its extensive portfolio, the **TIMKEN Single Cone Tapered Roller Bearings (Imperial Series 2490)** stand out as a critical component for machinery requiring robust radial and thrust load support. Designed with exacting tolerances and superior metallurgy, these bearings excel in applications where misalignment resistance, long service life, and operational efficiency are paramount.

### **Technical Features & Design Advantages**
The **TIMKEN 2490 Series Single Cone** bearings are engineered to handle combined radial and axial loads, thanks to their precision-ground tapered rollers and raceways. Key features include:

– **Optimized Load Distribution:** The tapered geometry ensures even stress distribution across the rollers, reducing edge loading and extending bearing life.
– **High-Strength Steel Construction:** Manufactured from premium alloy steels, these cones undergo advanced heat treatment processes to enhance hardness, fatigue resistance, and durability under heavy loads.
– **Interchangeability & Precision Fit:** Designed to meet imperial (inch) dimensions, the 2490 Series cones are compatible with TIMKEN cups and assemblies, ensuring seamless integration into existing systems.
– **Enhanced Lubrication Retention:** The precision-machined surfaces and optimized roller profiles promote efficient lubricant flow, minimizing friction and heat generation.

### **Performance Benefits**
TIMKEN’s Single Cone bearings deliver unmatched performance in harsh operating conditions:
– **Superior Durability:** The hardened steel construction resists wear, spalling, and micro-fatigue, even in high-vibration environments.
– **Reduced Friction & Heat Build-Up:** Precision grinding and optimized roller alignment lower rotational resistance, improving energy efficiency.
– **Versatile Mounting Options:** Single cones allow for adjustable preload and axial clearance, making them ideal for applications requiring precise shaft positioning.

### **Typical Applications**
TIMKEN 2490 Series Single Cones are widely used in heavy-duty industrial and automotive systems, including:
– **Industrial Gearboxes & Pumps:** Supporting shafts in high-torque, low-speed, or high-speed applications.
– **Construction & Mining Equipment:** Wheel hubs, conveyor systems, and crushers where shock loads are prevalent.
– **Automotive Axles & Transmissions:** Providing reliable performance in truck differentials and drivetrains.
– **Precision Machinery:** Machine tool spindles and agricultural equipment requiring tight tolerances.

For engineers and maintenance professionals seeking a balance of strength, precision, and longevity, **TIMKEN’s 2490 Series Single Cone Tapered Roller Bearings** offer a proven solution backed by over a century of bearing innovation. Whether in extreme environments or precision assemblies, these bearings ensure optimal performance with minimal downtime.

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Part Number Series d - Cone Bore B - Cone Width C1 - Dynamic Radial Rating (1 million revolutions) C0 - Static Radial Rating
LM283649H
LM283600
749.3 mm
160.338 mm
5130000 N
13200000 N
EE158350
N/A
889.000 mm
111.125 mm
2920000 N
7740000 N
LL575343
N/A
533.400 mm
50.8 mm
892000 N
2040000 N
LL778149
N/A
584.200 mm
49.213 mm
798000 N
2280000 N
EE640192
640000
488.950 mm
94.458 mm
2370000 N
4590000 N
M276449
M276400
536.575 mm
146.050 mm
4010000 N
9250000 N
680235
680000
596.900 mm
31.750 mm
344000 N
963000 N
LM772748
LM772700
488.950 mm
84.138 mm
1860000 N
3870000 N
LL575349
N/A
539.750 mm
50.8 mm
892000 N
2040000 N
EE649237
649000
602.945 mm
93.663 mm
2610000 N
5620000 N
EE243192
243000
489.026 mm
80.963 mm
1470000 N
3660000 N
EE542215
542000
546.100 mm
76.200 mm
1400000 N
3240000 N
EE649239
649000
607.720 mm
93.663 mm
2610000 N
5620000 N
EE243192W
243000
489.026 mm
80.963 mm
1470000 N
3660000 N
L476548
L476500
549.097 mm
80.963 mm
1520000 N
3970000 N
EE649238
649000
609.346 mm
93.663 mm
2610000 N
5620000 N
EE243197
243000
498.323 mm
80.963 mm
1470000 N
3660000 N
EL875849
N/A
549.275 mm
26.988 mm
164000 N
674000 N
L879946
N/A
609.397 mm
92.075 mm
1980000 N
5470000 N
EE243198
243000
498.323 mm
80.963 mm
1600000 N
4130000 N
L476549
L476500
549.275 mm
80.963 mm
1520000 N
3970000 N
EE649240
649000
609.600 mm
93.663 mm
2610000 N
5620000 N
EE243195
243000
498.475 mm
80.963 mm
1600000 N
4130000 N
EE327220
327000
558.8 mm
129.380 mm
3790000 N
6760000 N