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
EE128114
128000
279.999 mm
67.673 mm
924000 N
1820000 N
EE101103
100000
280.192 mm
50.211 mm
690000 N
1180000 N
EE128110
128000
280.192 mm
67.673 mm
924000 N
1820000 N
EE128111
128000
280.192 mm
67.673 mm
868000 N
1660000 N
545112
545000
285.750 mm
31.750 mm
258000 N
596000 N
EE147112
147000
285.750 mm
88.900 mm
1360000 N
2100000 N
EE921124
920000
285.750 mm
80.569 mm
1510000 N
1990000 N
LL353249
N/A
285.750 mm
20.638 mm
130000 N
352000 N
LM654649
LM654600
285.750 mm
65.088 mm
722000 N
1720000 N
LM654649AA
LM654600
285.750 mm
65.088 mm
765000 N
1720000 N
M255449
M255400
288.925 mm
77.788 mm
1190000 N
2520000 N
M255449H
M255400
288.925 mm
77.788 mm
1360000 N
2520000 N
M255449WS
M255400
288.925 mm
77.788 mm
1260000 N
2520000 N
L357040
L357000
289.974 mm
50.8 mm
586000 N
1310000 N
84115
N/A
292.100 mm
50.8 mm
548000 N
997000 N
EE224115
224000
292.100 mm
107.950 mm
1950000 N
3330000 N
EE722115
722000
292.100 mm
93.663 mm
1610000 N
2350000 N
EE790114
790000
292.100 mm
136.525 mm
3090000 N
4100000 N
EE790116
790000
292.100 mm
136.525 mm
3090000 N
4100000 N
HM456949
HM456900
292.100 mm
93.663 mm
1740000 N
2890000 N
L555249
L555200
292.100 mm
47.625 mm
520000 N
1150000 N
EE111175
N/A
298.450 mm
58.738 mm
613000 N
1280000 N
EE291175
290000
298.450 mm
61.913 mm
887000 N
1390000 N
HH258248
HH258200
299.974 mm
141.288 mm
2870000 N
5650000 N