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
EE763330
763000
838.200 mm
88.900 mm
2530000 N
5930000 N
80780
N/A
635.000 mm
53.975 mm
654000 N
1830000 N
LL582949
LL582900
736.600 mm
31.750 mm
424000 N
1300000 N
EE157337
N/A
857.250 mm
111.125 mm
2910000 N
7630000 N
M281635
M281600
635.000 mm
177.800 mm
5860000 N
13900000 N
EE752295
752000
749.3 mm
80.963 mm
2450000 N
5510000 N
LM286249
N/A
863.600 mm
185.738 mm
6520000 N
17400000 N
LM281049
LM281000
646.113 mm
141.288 mm
4700000 N
10400000 N
LM283649
LM283600
749.3 mm
160.338 mm
5980000 N
13500000 N
EE158349
N/A
887.001 mm
111.125 mm
2920000 N
7740000 N
EE522102
520000
533.400 mm
82.550 mm
2170000 N
3880000 N
L778149
N/A
584.200 mm
57.150 mm
1210000 N
2930000 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