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
3782
3700
44.450 mm
30.302 mm
122000 N
153000 N
3783
3700
44.450 mm
30.302 mm
122000 N
153000 N
386AS
385
44.450 mm
21.946 mm
98600 N
107000 N
435
435
44.450 mm
29.901 mm
127000 N
144000 N
4370
N/A
44.450 mm
40.386 mm
199000 N
204000 N
438
435
44.450 mm
29.901 mm
127000 N
144000 N
438W
435
44.450 mm
29.901 mm
127000 N
144000 N
45280
45200
44.450 mm
30.958 mm
153000 N
189000 N
458
455
44.450 mm
29.317 mm
136000 N
166000 N
460
455
44.450 mm
29.317 mm
161000 N
166000 N
3880
3800
41.275 mm
30.163 mm
124000 N
148000 N
419
N/A
41.275 mm
29.083 mm
116000 N
124000 N
4388
N/A
41.275 mm
40.386 mm
199000 N
204000 N
439
435
41.275 mm
29.901 mm
127000 N
144000 N
44162
44000
41.275 mm
23.698 mm
99800 N
88600 N
447
435
41.275 mm
29.901 mm
127000 N
144000 N
46162
N/A
41.275 mm
31.750 mm
129000 N
158000 N
464
455
41.275 mm
29.317 mm
136000 N
166000 N
464A
455
41.275 mm
29.317 mm
136000 N
166000 N
49162
49000
41.275 mm
31.750 mm
136000 N
156000 N
526
525
41.275 mm
36.068 mm
165000 N
191000 N
526A
525
41.275 mm
36.068 mm
165000 N
191000 N
53162
53000
41.275 mm
28.301 mm
119000 N
104000 N
541
535
41.275 mm
36.957 mm
172000 N
206000 N