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
11163
11000
41.275 mm
17.384 mm
48100 N
55100 N
18590
N/A
41.275 mm
17.463 mm
50800 N
58100 N
22778
N/A
41.275 mm
26.988 mm
92900 N
115000 N
24780
24700
41.275 mm
23.02 mm
75500 N
89200 N
24781
24700
41.275 mm
23.02 mm
75500 N
89200 N
26882
26800
41.275 mm
25.400 mm
91100 N
110000 N
26885
26800
41.275 mm
25.400 mm
91100 N
110000 N
336
335
41.275 mm
22.403 mm
94300 N
83400 N
3383
3300
41.275 mm
30.391 mm
115000 N
129000 N
3384
3300
41.275 mm
30.391 mm
115000 N
129000 N
342
335
41.275 mm
22.403 mm
94300 N
83400 N
342A
335
41.275 mm
29.977 mm
94300 N
83400 N
3576
3500
41.275 mm
30.886 mm
113000 N
134000 N
3577
3500
41.275 mm
30.886 mm
113000 N
134000 N
3585
3500
41.275 mm
30.886 mm
113000 N
134000 N
365A
365
41.275 mm
22.225 mm
102000 N
95800 N
3877
3800
41.275 mm
30.163 mm
124000 N
148000 N
3877A
3800
41.275 mm
30.163 mm
124000 N
148000 N
46150
N/A
38.1 mm
31.750 mm
129000 N
158000 N
46151
N/A
38.1 mm
31.750 mm
129000 N
158000 N
49150
49000
38.1 mm
31.750 mm
136000 N
156000 N
49151
49000
38.1 mm
31.750 mm
136000 N
156000 N
525
525
38.1 mm
36.068 mm
165000 N
191000 N
525X
525
38.1 mm
36.068 mm
165000 N
191000 N