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
29168
N/A
42.863 mm
19.164 mm
62400 N
69200 N
2973
2900
42.863 mm
25.608 mm
93300 N
117000 N
28159
28000
39.980 mm
20.940 mm
63500 N
68900 N
HM204043
N/A
39.987 mm
31.999 mm
170000 N
172000 N
28158
28000
40 mm
20.940 mm
75200 N
68900 N
344
335
40 mm
22.403 mm
94300 N
83400 N
344A
335
40 mm
22.403 mm
94300 N
83400 N
350
355
40 mm
21.692 mm
81800 N
88800 N
350A
355
40 mm
21.692 mm
97000 N
88800 N
357
355
40 mm
21.692 mm
97000 N
88800 N
3582
3500
40 mm
30.886 mm
113000 N
134000 N
3879
3800
40 mm
30.163 mm
124000 N
148000 N
420
N/A
40 mm
29.083 mm
116000 N
124000 N
44157
44000
40 mm
23.698 mm
99800 N
88600 N
44157X
44000
40 mm
23.063 mm
99800 N
88600 N
442-S
435
40 mm
29.901 mm
127000 N
144000 N
543
535
40 mm
36.957 mm
172000 N
206000 N
543X
535
40 mm
36.957 mm
159000 N
206000 N
NA357
N/A
40 mm
25.400 mm
N/A
CAD
337X
335
40.483 mm
23.673 mm
79500 N
83400 N
HM801349
N/A
40.483 mm
28.575 mm
103000 N
130000 N
LM300849
N/A
40.988 mm
18.001 mm
59100 N
63500 N
LM300849N
N/A
40.988 mm
18.001 mm
59100 N
63500 N
11162
11000
41.275 mm
17.384 mm
48100 N
55100 N