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.

MORE +
CLOSE +
Part Number Series d - Cone Bore B - Cone Width C1 - Dynamic Radial Rating (1 million revolutions) C0 - Static Radial Rating
25877A
N/A
34.925 mm
24.608 mm
85100 N
97400 N
25878
N/A
34.925 mm
24.608 mm
85100 N
97400 N
15125
15000
31.750 mm
20.638 mm
59900 N
53900 N
15126
15000
31.750 mm
20.638 mm
59900 N
53900 N
16579
N/A
31.750 mm
22.225 mm
66700 N
77900 N
23491
N/A
31.750 mm
26.988 mm
80700 N
91000 N
23685
N/A
31.750 mm
26.975 mm
89400 N
102000 N
2475
2470
31.750 mm
23.813 mm
67600 N
73300 N
2580
2500
31.750 mm
25.357 mm
83700 N
94400 N
2580A
2500
31.750 mm
25.357 mm
83700 N
94400 N
2582
2500
31.750 mm
25.357 mm
83700 N
94400 N
2783
2700
31.750 mm
25.654 mm
86900 N
102000 N
2879
N/A
31.750 mm
23.813 mm
73200 N
83800 N
3188
3100
31.750 mm
29.997 mm
94800 N
102000 N
3193
3100
31.750 mm
29.997 mm
94800 N
102000 N
3199
3100
31.750 mm
29.997 mm
94800 N
102000 N
346
335
31.750 mm
22.403 mm
94300 N
83400 N
3476
3400
31.750 mm
29.771 mm
105000 N
119000 N
3476X
3400
31.750 mm
29.771 mm
96900 N
119000 N
43125
43000
31.750 mm
24.074 mm
92000 N
76200 N
44126
44000
31.750 mm
23.698 mm
84200 N
88600 N
443
435
31.750 mm
29.901 mm
127000 N
144000 N
HM88542
N/A
31.750 mm
27.783 mm
103000 N
111000 N
HM88644
N/A
31.750 mm
25.400 mm
76800 N
94200 N