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
EE275095
275000
241.300 mm
69.850 mm
1010000 N
1600000 N
EE295950
295000
241.300 mm
120.650 mm
2420000 N
3310000 N
543085
543000
215.900 mm
31.750 mm
239000 N
453000 N
EE130851
130000
215.900 mm
69.850 mm
796000 N
1400000 N
EE420850
420000
215.900 mm
79.372 mm
1100000 N
1820000 N
EE820085
820000
215.900 mm
93.663 mm
1470000 N
2250000 N
LM742748
LM742700
215.900 mm
46.038 mm
378000 N
807000 N
LM742749
LM742700
215.900 mm
46.038 mm
430000 N
892000 N
LM742749AA
LM742700
215.900 mm
46.038 mm
430000 N
892000 N
LM742747
LM742700
216.408 mm
49.213 mm
401000 N
807000 N
LM742747A
LM742700
216.713 mm
49.213 mm
378000 N
807000 N
543086
543000
219.969 mm
31.750 mm
239000 N
453000 N
H247540
H247500
219.974 mm
112.713 mm
1920000 N
3110000 N
M244249
M244200
220.663 mm
61.913 mm
695000 N
1370000 N
M244249A
M244200
220.663 mm
66.675 mm
649000 N
1240000 N
LM245833
N/A
220.878 mm
52.388 mm
549000 N
952000 N
EE380875
N/A
222.250 mm
95.250 mm
1650000 N
2010000 N
LM844049
LM844000
223.838 mm
46.038 mm
516000 N
919000 N
EE130889
130000
225.425 mm
69.850 mm
796000 N
1400000 N
EE430888
430000
225.425 mm
87.313 mm
1120000 N
1920000 N
EE710905
N/A
227.330 mm
61.913 mm
955000 N
1280000 N
EE113089
113000
228.397 mm
85.725 mm
1270000 N
1600000 N
EE113091
113000
228.460 mm
85.725 mm
1270000 N
1600000 N
544090
N/A
228.600 mm
31.750 mm
238000 N
458000 N