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
EE168400
N/A
1016.000 mm
101.600 mm
2840000 N
8030000 N
LL788345
LL788300
1063.625 mm
65.088 mm
1720000 N
5660000 N
EE776420
N/A
1066.800 mm
88.900 mm
2670000 N
6990000 N
LL788349
LL788300
1066.800 mm
65.088 mm
1720000 N
5660000 N
EE776430
N/A
1092.200 mm
88.900 mm
2670000 N
6990000 N
EE277455
N/A
1155.700 mm
120.650 mm
4040000 N
13000000 N
LL889049
LL889000
1270.000 mm
65.088 mm
1840000 N
6650000 N
EE299615
N/A
1562.100 mm
123.825 mm
4540000 N
16800000 N
LL789749
N/A
1689.100 mm
68.263 mm
2100000 N
8860000 N
LL789849
LL789800
1784.350 mm
106.363 mm
4830000 N
18900000 N
L580049
N/A
609.600 mm
79.375 mm
2020000 N
4620000 N
L879947
N/A
609.600 mm
92.075 mm
1980000 N
5470000 N
LL580049
N/A
615.950 mm
41.275 mm
605000 N
1840000 N
80780
N/A
635.000 mm
53.975 mm
654000 N
1830000 N
M281635
M281600
635.000 mm
177.800 mm
5860000 N
13900000 N
LM281049
LM281000
646.113 mm
141.288 mm
4700000 N
10400000 N
L281146
L281100
660.235 mm
95.250 mm
2530000 N
5940000 N
EE538260
N/A
660.400 mm
127.000 mm
3560000 N
7800000 N
EE538261
N/A
660.400 mm
127.000 mm
3560000 N
7800000 N
EE749260
749000
660.400 mm
85.468 mm
2240000 N
4620000 N
L281147
L281100
660.400 mm
95.250 mm
2730000 N
6620000 N
L281148
L281100
660.400 mm
95.250 mm
2530000 N
5940000 N
LL481448
N/A
673.100 mm
61.913 mm
1110000 N
3140000 N
LM281849
LM281800
679.450 mm
142.875 mm
5020000 N
11000000 N