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
657
655
73.025 mm
41.275 mm
247000 N
335000 N
744
745
73.025 mm
46.673 mm
377000 N
417000 N
744AH
745
73.025 mm
46.673 mm
362000 N
394000 N
762
755
73.025 mm
48.260 mm
327000 N
441000 N
762XA
755
73.025 mm
48.260 mm
303000 N
441000 N
LM814845
LM814800
73.025 mm
25.400 mm
118000 N
183000 N
M514546
N/A
73.025 mm
39.370 mm
150000 N
203000 N
NA567
N/A
73.025 mm
40.481 mm
N/A
CAD
29688
29600
73.817 mm
25.400 mm
111000 N
166000 N
568
565
73.817 mm
36.170 mm
196000 N
262000 N
33275
33000
69.850 mm
30.163 mm
138000 N
197000 N
47487
47400
69.850 mm
32.545 mm
179000 N
249000 N
482
475
69.850 mm
29.007 mm
143000 N
186000 N
482A
475
69.850 mm
29.007 mm
133000 N
186000 N
482W
475
69.850 mm
29.007 mm
135000 N
186000 N
566
565
69.850 mm
36.170 mm
196000 N
262000 N
566-S
565
69.850 mm
36.170 mm
196000 N
262000 N
566X
565
69.850 mm
36.170 mm
182000 N
262000 N
643
635
69.850 mm
41.275 mm
276000 N
298000 N
6454
6400
69.850 mm
54.229 mm
411000 N
463000 N
6484
6400
69.850 mm
54.229 mm
411000 N
463000 N
655
655
69.850 mm
41.275 mm
247000 N
335000 N
744A
745
69.850 mm
46.673 mm
318000 N
417000 N
745A
745
69.850 mm
46.673 mm
377000 N
417000 N