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
4367
N/A
39.688 mm
40.386 mm
199000 N
204000 N
44156
44000
39.688 mm
23.698 mm
99800 N
88600 N
44158
44000
39.688 mm
23.698 mm
99800 N
88600 N
457
455
39.688 mm
29.317 mm
136000 N
166000 N
620
615
39.688 mm
41.275 mm
207000 N
244000 N
M201047
N/A
39.688 mm
22.098 mm
73400 N
89100 N
NA44156
N/A
39.688 mm
27.781 mm
N/A
CAD
11157
11000
39.980 mm
17.384 mm
48100 N
55100 N
28155
28000
39.980 mm
19.649 mm
63500 N
68900 N
28156
28000
39.980 mm
19.649 mm
75200 N
68900 N
HM89249
N/A
36.513 mm
28.829 mm
126000 N
121000 N
HM89448
HM89400
36.513 mm
28.575 mm
110000 N
119000 N
HM89449
HM89400
36.513 mm
28.575 mm
110000 N
119000 N
NA44143
N/A
36.513 mm
27.781 mm
N/A
CAD
19149X
19000
38.001 mm
16.520 mm
50700 N
57800 N
13685
13600
38.1 mm
19.050 mm
67200 N
67900 N
13685A
13600
38.1 mm
19.050 mm
67200 N
67900 N
13686
13600
38.1 mm
26.195 mm
67200 N
67900 N
13687
13600
38.1 mm
19.050 mm
67200 N
67900 N
13889
13800
38.1 mm
11.908 mm
27200 N
33000 N
16150
16000
38.1 mm
20.638 mm
56600 N
65800 N
19150
19000
38.1 mm
16.520 mm
50700 N
57800 N
25572
25500
38.1 mm
25.400 mm
90500 N
111000 N
26878
26800
38.1 mm
25.400 mm
91100 N
110000 N