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
KL540049N
N/A
196.850 mm
27.783 mm
211000 N
408000 N
KLL639249
N/A
196.850 mm
23.017 mm
172000 N
340000 N
L540049
L540000
196.850 mm
27.783 mm
211000 N
408000 N
LL639249
N/A
196.850 mm
23.017 mm
172000 N
340000 N
LM739749
LM739700
196.850 mm
39.688 mm
318000 N
718000 N
LM739749WE
N/A
196.850 mm
43.023 mm
318000 N
718000 N
67982
67900
199.949 mm
49.213 mm
468000 N
790000 N
93787A
93000
199.949 mm
77.368 mm
690000 N
1290000 N
KL540048
N/A
200 mm
27.783 mm
211000 N
408000 N
KL540048N
N/A
200 mm
27.783 mm
211000 N
408000 N
L540048
L540000
200 mm
27.783 mm
211000 N
408000 N
93787
93000
200.025 mm
63.5 mm
731000 N
1290000 N
EE130787
130000
200.025 mm
69.850 mm
796000 N
1400000 N
H247535
H247500
200.025 mm
112.713 mm
1670000 N
3110000 N
H247536
H247500
200.025 mm
112.713 mm
1770000 N
3370000 N
HH144642
N/A
200.025 mm
111.125 mm
2110000 N
2600000 N
HM743337
HM743300
200.025 mm
69.850 mm
917000 N
1570000 N
LM241147
N/A
200.025 mm
46.038 mm
382000 N
721000 N
M241542
M241500
200.025 mm
61.913 mm
560000 N
1060000 N
M241543
M241500
200.025 mm
57.945 mm
600000 N
1170000 N
M241545
M241500
200.812 mm
61.913 mm
560000 N
1060000 N
EE420793
420000
201.613 mm
88.897 mm
1170000 N
1820000 N
EE420793W
420000
201.613 mm
88.897 mm
1170000 N
1820000 N
67983
67900
203.2 mm
46.038 mm
503000 N
876000 N