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
M268744WS
M268700
409.575 mm
114.300 mm
3120000 N
5550000 N
M270730
M270700
409.575 mm
120.650 mm
3280000 N
6430000 N
EE526132
526000
330.200 mm
80.167 mm
1250000 N
2320000 N
L860048
L860000
330.200 mm
47.625 mm
485000 N
1180000 N
L860049
L860000
330.200 mm
47.625 mm
485000 N
1180000 N
L860049AA
L860000
332.999 mm
47.625 mm
485000 N
1180000 N
HM261049
HM261000
333.375 mm
90.488 mm
1600000 N
3460000 N
HM261049H
HM261000
333.375 mm
90.488 mm
1690000 N
3070000 N
LL660749A
N/A
338.138 mm
33.338 mm
301000 N
827000 N
EE971354
970000
342.900 mm
76.200 mm
1730000 N
2500000 N
LM361649
N/A
342.900 mm
66.675 mm
1120000 N
2210000 N
LM961548
LM961500
342.900 mm
63.5 mm
823000 N
1940000 N
LM361649A
N/A
343.154 mm
66.675 mm
1120000 N
2210000 N
EE161363
160000
346.075 mm
55.563 mm
628000 N
1110000 N
EE203136
203000
346.075 mm
63.5 mm
1030000 N
1770000 N
EE203137
203000
346.075 mm
63.5 mm
1030000 N
1770000 N
HM164646
N/A
346.075 mm
95.250 mm
2690000 N
3990000 N
HM262748
HM262700
346.075 mm
95.250 mm
1860000 N
3440000 N
HM262748WS
HM262700
346.075 mm
95.250 mm
1720000 N
3440000 N
HM262749
HM262700
346.075 mm
95.250 mm
1730000 N
3760000 N
HM262749V
HM262700
346.075 mm
95.250 mm
1980000 N
3760000 N
EE333137
333000
349.250 mm
84.138 mm
1350000 N
2780000 N
EE161394
160000
354.013 mm
55.563 mm
548000 N
1110000 N
EE121140
N/A
355.6 mm
152.400 mm
3690000 N
6140000 N