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
EE737181X
737000
457.200 mm
91.262 mm
1760000 N
3630000 N
L570649
N/A
457.200 mm
74.613 mm
1230000 N
3170000 N
LM272235
LM272200
457.200 mm
85.725 mm
1940000 N
4100000 N
LM770949
LM770900
457.200 mm
84.138 mm
1490000 N
3440000 N
LL771948
LL771900
476.250 mm
41.275 mm
469000 N
1400000 N
M272749
M272700
479.425 mm
128.588 mm
3730000 N
7400000 N
80480
N/A
482.600 mm
46.038 mm
656000 N
1710000 N
EE243190
243000
482.600 mm
80.963 mm
1470000 N
3660000 N
LM272249
LM272200
482.600 mm
85.725 mm
1690000 N
4100000 N
EE640191
640000
488.671 mm
94.458 mm
2370000 N
4590000 N
EE192150
192000
381.000 mm
58.738 mm
755000 N
1480000 N
HM266446
HM266400
381.000 mm
104.775 mm
2270000 N
4210000 N
HM266446WS
HM266400
381.000 mm
104.775 mm
2480000 N
4210000 N
HM266447
HM266400
381.000 mm
104.775 mm
2460000 N
4730000 N
HM267146WS
N/A
381.000 mm
104.775 mm
3220000 N
4760000 N
L865547
L865500
381.000 mm
47.625 mm
594000 N
1380000 N
L865548
L865500
381.000 mm
47.625 mm
594000 N
1380000 N
LM565949
LM565900
381.000 mm
84.138 mm
1390000 N
2950000 N
M268730
M268700
381.000 mm
114.300 mm
2860000 N
5550000 N
M268730H
M268700
381.000 mm
114.300 mm
2800000 N
5400000 N
HM266448
HM266400
384.175 mm
104.775 mm
2270000 N
4210000 N
HM266448WS
HM266400
384.175 mm
104.775 mm
2480000 N
4210000 N
HM266449
HM266400
384.175 mm
104.775 mm
2460000 N
4730000 N
HM266449V
HM266400
384.175 mm
104.775 mm
2690000 N
4730000 N