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
2776
2700
38.1 mm
25.654 mm
86900 N
102000 N
2777
2700
38.1 mm
25.654 mm
86900 N
102000 N
27879
27800
38.1 mm
22.111 mm
78000 N
91100 N
2788
2700
38.1 mm
25.654 mm
86900 N
102000 N
27880
27800
38.1 mm
23.698 mm
78000 N
91100 N
27881
27800
38.1 mm
23.698 mm
78000 N
91100 N
2788A
2700
38.1 mm
25.654 mm
86900 N
102000 N
28150
28000
38.1 mm
20.940 mm
75200 N
68900 N
28151
28000
38.1 mm
20.940 mm
63500 N
68900 N
337
335
38.1 mm
22.403 mm
79500 N
83400 N
3381
3300
38.1 mm
30.391 mm
115000 N
129000 N
3387
3300
38.1 mm
30.391 mm
115000 N
129000 N
33880
33800
38.1 mm
28.575 mm
130000 N
161000 N
347
335
38.1 mm
22.403 mm
79500 N
83400 N
3490
3400
38.1 mm
29.771 mm
105000 N
119000 N
3580
3500
38.1 mm
30.886 mm
113000 N
134000 N
3583
3500
38.1 mm
30.886 mm
113000 N
134000 N
3875
3800
38.1 mm
30.163 mm
124000 N
148000 N
3876
3800
38.1 mm
30.163 mm
124000 N
148000 N
415
N/A
38.1 mm
29.083 mm
116000 N
124000 N
418
N/A
38.1 mm
29.083 mm
116000 N
124000 N
4375
N/A
38.1 mm
40.386 mm
199000 N
204000 N
440
435
38.1 mm
29.901 mm
127000 N
144000 N
44150
44000
38.1 mm
23.698 mm
99800 N
88600 N