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
LM451347
LM451300
264.975 mm
61.999 mm
637000 N
1310000 N
38884
N/A
266.560 mm
33.470 mm
214000 N
527000 N
LL450748A
N/A
266.560 mm
33.470 mm
217000 N
507000 N
29880
29800
266.7 mm
22.225 mm
151000 N
391000 N
38885
N/A
266.7 mm
28.575 mm
221000 N
554000 N
38886
N/A
266.7 mm
33.470 mm
227000 N
527000 N
EE275105
275000
266.7 mm
69.850 mm
1010000 N
1600000 N
H852849
N/A
266.7 mm
117.475 mm
1820000 N
3520000 N
LL450749AA
N/A
266.7 mm
34.039 mm
230000 N
507000 N
LM251649NW
LM251600
266.7 mm
53.975 mm
566000 N
1200000 N
LM451349
LM451300
266.7 mm
57.150 mm
743000 N
1510000 N
LM451349A
LM451300
266.7 mm
57.150 mm
701000 N
1510000 N
LM451349AX
LM451300
266.7 mm
57.150 mm
701000 N
1510000 N
LM451349AXV
LM451300
266.7 mm
57.150 mm
701000 N
1510000 N
LM451349V
LM451300
266.7 mm
57.150 mm
675000 N
1310000 N
LM451349W
LM451300
266.7 mm
57.150 mm
701000 N
1510000 N
DX991555
N/A
269.875 mm
74.613 mm
1410000 N
2030000 N
M252349
M252300
269.875 mm
74.613 mm
1150000 N
2030000 N
EE390095
N/A
241.300 mm
95.250 mm
1430000 N
2100000 N
EE923095
923000
241.300 mm
100.013 mm
1820000 N
2420000 N
H249148
H249100
241.300 mm
100.013 mm
1870000 N
2670000 N
LL648434
LL648400
243.683 mm
31.750 mm
270000 N
561000 N
EE126097
126000
244.475 mm
76.200 mm
907000 N
1690000 N
28880
N/A
247.650 mm
22.225 mm
157000 N
373000 N