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
45282
45200
47.625 mm
30.958 mm
153000 N
189000 N
463
455
47.625 mm
29.317 mm
136000 N
166000 N
467
455
47.625 mm
29.317 mm
161000 N
166000 N
49580
49500
47.625 mm
31.750 mm
133000 N
155000 N
49581
49500
47.625 mm
31.750 mm
123000 N
155000 N
528
525
47.625 mm
36.068 mm
165000 N
191000 N
528A
525
47.625 mm
36.068 mm
165000 N
191000 N
528R
525
47.625 mm
36.068 mm
165000 N
191000 N
5358
N/A
47.625 mm
44.475 mm
212000 N
267000 N
536
535
47.625 mm
36.957 mm
172000 N
206000 N
5361
N/A
47.625 mm
44.475 mm
212000 N
267000 N
55187
55000
47.625 mm
26.909 mm
126000 N
119000 N
55187C
55000C
47.625 mm
26.909 mm
151000 N
161000 N
59187
59000
47.625 mm
36.513 mm
202000 N
202000 N
59188
59000
47.625 mm
36.513 mm
202000 N
202000 N
617
615
47.625 mm
41.275 mm
207000 N
244000 N
66187
66000
47.625 mm
31.750 mm
177000 N
166000 N
72187
72000
47.625 mm
32.791 mm
153000 N
175000 N
72187C
72000C
47.625 mm
32.791 mm
214000 N
208000 N
72188
72000
47.625 mm
32.791 mm
165000 N
175000 N
72188C
72000C
47.625 mm
32.791 mm
214000 N
208000 N
HM804846
HM804800
47.625 mm
29.370 mm
147000 N
157000 N
HM907639
N/A
47.625 mm
28.575 mm
123000 N
153000 N
M804048
N/A
47.625 mm
25.400 mm
98600 N
116000 N