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
27695
27600
84.976 mm
25.400 mm
117000 N
178000 N
499A
495
84.976 mm
29.769 mm
154000 N
216000 N
599X
595
85.001 mm
36.322 mm
216000 N
319000 N
665X
655
85.001 mm
41.275 mm
247000 N
335000 N
90334
N/A
85.001 mm
46.038 mm
383000 N
392000 N
98335
98000
85.001 mm
49.213 mm
482000 N
519000 N
749
745
85.027 mm
46.673 mm
377000 N
417000 N
749-S
745
85.027 mm
46.673 mm
377000 N
417000 N
749V
745
85.027 mm
46.673 mm
377000 N
417000 N
497
495
85.725 mm
29.769 mm
154000 N
216000 N
497A
495
85.725 mm
29.769 mm
154000 N
216000 N
497P
495
85.725 mm
29.769 mm
183000 N
216000 N
596
595
85.725 mm
36.322 mm
216000 N
319000 N
665
655
85.725 mm
41.275 mm
247000 N
335000 N
665A
655
85.725 mm
41.275 mm
247000 N
335000 N
677
675
85.725 mm
41.275 mm
265000 N
386000 N
758
755
85.725 mm
48.260 mm
327000 N
441000 N
841
835
85.725 mm
56.363 mm
485000 N
522000 N
578
575
79.985 mm
36.098 mm
207000 N
291000 N
578X
575
79.985 mm
36.098 mm
191000 N
291000 N
590
595
79.985 mm
36.322 mm
216000 N
319000 N
748
745
80 mm
46.673 mm
318000 N
417000 N
98316
98000
80 mm
49.213 mm
482000 N
519000 N
47681
47600
80.963 mm
33.338 mm
214000 N
262000 N