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
29582
29500
60 mm
25.400 mm
131000 N
161000 N
39582A
39500
60 mm
30.163 mm
167000 N
224000 N
397
395
60 mm
21.996 mm
98900 N
125000 N
3977
3900
60 mm
30.048 mm
139000 N
191000 N
476
475
60 mm
29.007 mm
143000 N
186000 N
6361
6300
60 mm
56.007 mm
321000 N
404000 N
66585
66500
60 mm
31.750 mm
183000 N
178000 N
66588
66500
60 mm
31.750 mm
183000 N
178000 N
NA397
N/A
60 mm
26.194 mm
N/A
CAD
NA476
N/A
60 mm
32.545 mm
N/A
CAD
386
385
55.474 mm
21.946 mm
91000 N
107000 N
28680
28600
55.563 mm
24.608 mm
123000 N
142000 N
466-S
455
55.563 mm
29.317 mm
161000 N
166000 N
5566
5500
55.563 mm
43.764 mm
237000 N
327000 N
72218
72000
55.563 mm
32.791 mm
165000 N
175000 N
72218C
72000C
55.563 mm
32.791 mm
214000 N
208000 N
72219C
72000C
55.563 mm
32.791 mm
214000 N
208000 N
HM813840
HM813800
55.563 mm
36.513 mm
229000 N
256000 N
389
385
55.575 mm
21.946 mm
108000 N
107000 N
66583
66500
55.753 mm
31.750 mm
155000 N
178000 N
28682
28600
57.150 mm
24.608 mm
123000 N
142000 N
28682P
28600
57.150 mm
24.608 mm
123000 N
142000 N
29665
29600
57.150 mm
25.400 mm
111000 N
166000 N
33225
33000
57.150 mm
30.163 mm
138000 N
197000 N