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
HH953749
HH953700
254 mm
120.650 mm
2680000 N
3090000 N
HM252343
HM252300
254 mm
79.771 mm
1500000 N
2020000 N
HM252344
HM252300
254 mm
79.771 mm
1550000 N
2110000 N
LL648449
LL648400
254 mm
31.750 mm
255000 N
561000 N
LM249748
LM249700
254 mm
42.863 mm
613000 N
951000 N
M249749
M249700
254 mm
71.438 mm
914000 N
1850000 N
M249749H
M249700
254 mm
71.438 mm
1150000 N
1850000 N
M249749X
M249700
254 mm
71.438 mm
914000 N
1850000 N
HM252344NA
N/A
254 mm
86.519 mm
N/A
CAD
HM252343NA
N/A
254 mm
86.519 mm
N/A
CAD
LM245848
N/A
231.775 mm
52.388 mm
518000 N
952000 N
M246942
N/A
231.775 mm
65.088 mm
789000 N
1570000 N
M246943
N/A
231.775 mm
69.850 mm
736000 N
1420000 N
M249734
M249700
231.775 mm
71.438 mm
914000 N
1850000 N
M249734H
M249700
231.775 mm
71.438 mm
1150000 N
1850000 N
LM545848
LM545800
234.848 mm
53.975 mm
613000 N
949000 N
LM545848AH
LM545800
234.848 mm
53.975 mm
613000 N
949000 N
8574
8500
234.95 mm
52.388 mm
537000 N
1010000 N
8575
8500
234.95 mm
52.388 mm
558000 N
1070000 N
8575X
8500
234.95 mm
52.388 mm
527000 N
1070000 N
88925
88000
234.95 mm
49.213 mm
552000 N
821000 N
96925
96000
234.95 mm
66.675 mm
759000 N
1420000 N
DX903631
N/A
234.95 mm
112.713 mm
2060000 N
3110000 N
H247548
H247500
234.95 mm
112.713 mm
1880000 N
3370000 N