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
H432640
H432600
139.687 mm
77.788 mm
775000 N
1180000 N
455959
455000
139.700 mm
88.900 mm
824000 N
1150000 N
73551
73000
139.700 mm
31.623 mm
293000 N
342000 N
74550
74000
139.700 mm
47.625 mm
382000 N
614000 N
74550A
74000
139.700 mm
47.625 mm
382000 N
614000 N
74550P
74000
139.700 mm
47.625 mm
453000 N
614000 N
82550
82000
139.700 mm
56.642 mm
515000 N
810000 N
898
895
139.700 mm
57.150 mm
520000 N
809000 N
898A
895
139.700 mm
57.150 mm
520000 N
809000 N
899
895
139.700 mm
58.738 mm
448000 N
708000 N
99550
99000
139.700 mm
66.675 mm
660000 N
1030000 N
EE107055
107000
139.700 mm
74.613 mm
784000 N
1170000 N
EE450551
450000
139.700 mm
93.663 mm
1050000 N
1480000 N
EE540550
N/A
139.700 mm
87.313 mm
823000 N
1090000 N
EE750558
750000
139.700 mm
61.913 mm
775000 N
871000 N
EE750558W
750000
139.700 mm
61.913 mm
775000 N
871000 N
EE750562
750000
139.700 mm
61.913 mm
775000 N
871000 N
HH231649
N/A
139.700 mm
87.313 mm
1140000 N
1340000 N
97500
97000
127 mm
49.428 mm
446000 N
486000 N
99500
99000
127 mm
66.675 mm
660000 N
1030000 N
EE116050
N/A
127 mm
63.5 mm
602000 N
867000 N
EE153050
153000
127 mm
82.550 mm
711000 N
1030000 N
EE195500X
N/A
127 mm
67.335 mm
547000 N
774000 N
EE455051
455000
127 mm
88.900 mm
824000 N
1150000 N