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
HM237532
HM237500
160.325 mm
63.5 mm
976000 N
1240000 N
81637
81000
161.925 mm
46.83 mm
402000 N
595000 N
EE117063
N/A
161.925 mm
79.375 mm
1320000 N
1400000 N
EE117063X
N/A
161.925 mm
79.375 mm
1320000 N
1400000 N
EE590638
N/A
161.925 mm
80.963 mm
955000 N
1180000 N
HM237537
HM237500
164.976 mm
68.001 mm
837000 N
1130000 N
H337840
H337800
165.087 mm
87.313 mm
1010000 N
1490000 N
H337840XX
H337800
165.087 mm
87.313 mm
1010000 N
1490000 N
HM136940
HM136900
165.087 mm
74.613 mm
791000 N
1210000 N
46790
46700
165.1 mm
39.688 mm
303000 N
635000 N
46790A
46700
165.1 mm
39.688 mm
303000 N
635000 N
560950
560000
165.1 mm
76.200 mm
924000 N
1110000 N
67780
67700
165.1 mm
47.625 mm
405000 N
779000 N
67780V
67700
165.1 mm
47.625 mm
480000 N
779000 N
86650
86000
165.1 mm
46.038 mm
498000 N
644000 N
94649
94000
165.1 mm
63.5 mm
660000 N
1070000 N
94650
94000
165.1 mm
63.5 mm
660000 N
1070000 N
EE108065
N/A
165.1 mm
104.775 mm
1450000 N
1950000 N
HH932145
N/A
146.050 mm
82.550 mm
1160000 N
1250000 N
HM231140
HM231100
146.050 mm
56.642 mm
597000 N
932000 N
LL529749
N/A
146.050 mm
20.638 mm
113000 N
214000 N
M229349
N/A
146.050 mm
40.000 mm
334000 N
573000 N
M229349A
N/A
146.050 mm
40.000 mm
334000 N
573000 N
NA82576
N/A
146.050 mm
65.881 mm
N/A
CAD