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
M804049
N/A
47.625 mm
25.400 mm
98600 N
116000 N
3781A
3700
48.412 mm
30.302 mm
122000 N
153000 N
HM804848
HM804800
48.412 mm
29.370 mm
147000 N
157000 N
HM804848A
HM804800
48.412 mm
29.370 mm
147000 N
157000 N
HM804849
HM804800
48.412 mm
29.370 mm
147000 N
157000 N
365-S
365
49.213 mm
22.225 mm
102000 N
95800 N
3781
3700
49.213 mm
30.302 mm
122000 N
153000 N
5395
N/A
49.213 mm
44.475 mm
212000 N
267000 N
5395V
N/A
49.213 mm
44.475 mm
252000 N
267000 N
545
535
49.213 mm
36.957 mm
172000 N
206000 N
3776
3700
44.983 mm
30.302 mm
122000 N
153000 N
25584A
25500
44.988 mm
25.400 mm
90500 N
111000 N
367X
365
44.988 mm
22.225 mm
85900 N
95800 N
396A
395
44.988 mm
21.996 mm
98900 N
125000 N
HM903248
N/A
44.988 mm
28.575 mm
136000 N
132000 N
HM905843
N/A
44.988 mm
31.750 mm
135000 N
171000 N
358
355
45.001 mm
21.692 mm
97000 N
88800 N
358A
355
45.001 mm
21.692 mm
81800 N
88800 N
358X
355
45.001 mm
21.692 mm
81800 N
88800 N
367
365
45.001 mm
22.225 mm
102000 N
95800 N
376
375
45.001 mm
22.225 mm
104000 N
101000 N
376A
375
45.001 mm
22.225 mm
87900 N
101000 N
376X
375
45.001 mm
22.225 mm
81400 N
101000 N
435-S
435
45.001 mm
29.901 mm
127000 N
144000 N