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
HM88648
N/A
35.717 mm
25.400 mm
76800 N
94200 N
HM88648X
N/A
35.717 mm
25.400 mm
76800 N
94200 N
02884
02800
36.449 mm
22.225 mm
65700 N
74900 N
25880
N/A
36.487 mm
24.608 mm
85100 N
97400 N
2780
2700
36.487 mm
25.654 mm
86900 N
102000 N
2794
2700
36.487 mm
25.654 mm
86900 N
102000 N
3378
3300
36.487 mm
30.391 mm
115000 N
129000 N
13682
13600
36.513 mm
19.050 mm
67200 N
67900 N
16143
16000
36.513 mm
20.638 mm
56600 N
65800 N
19143
19000
36.513 mm
16.520 mm
50700 N
57800 N
25570
25500
36.513 mm
25.400 mm
90500 N
111000 N
26877
26800
36.513 mm
25.400 mm
91100 N
110000 N
31597
31500
36.513 mm
28.575 mm
94700 N
107000 N
3479
3400
36.513 mm
29.771 mm
105000 N
119000 N
3878
3800
36.513 mm
30.163 mm
124000 N
148000 N
3878A
3800
36.513 mm
30.163 mm
124000 N
148000 N
44143
44000
36.513 mm
23.698 mm
99800 N
88600 N
46143
N/A
36.513 mm
31.750 mm
129000 N
158000 N
2786
2700
34.925 mm
25.654 mm
86900 N
102000 N
27875
27800
34.925 mm
23.698 mm
78000 N
91100 N
2793
2700
34.925 mm
25.654 mm
86900 N
102000 N
2796
2700
34.925 mm
25.654 mm
86900 N
102000 N
28137
28000
34.925 mm
20.940 mm
75200 N
68900 N
2878
2878
34.925 mm
23.813 mm
73200 N
83800 N