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
31593
31500
34.925 mm
28.575 mm
94700 N
107000 N
31594
31500
34.925 mm
28.575 mm
94700 N
107000 N
335
335
34.925 mm
22.403 mm
94300 N
83400 N
3379
3300
34.925 mm
30.391 mm
115000 N
129000 N
343
335
34.925 mm
22.403 mm
79500 N
83400 N
3478
3400
34.925 mm
29.771 mm
105000 N
119000 N
3482
3400
34.925 mm
29.771 mm
105000 N
119000 N
3581
3500
34.925 mm
30.886 mm
113000 N
134000 N
36137
N/A
34.925 mm
29.845 mm
99900 N
111000 N
3872
3800
34.925 mm
30.163 mm
124000 N
148000 N
3872A
3800
34.925 mm
30.163 mm
124000 N
148000 N
417
N/A
34.925 mm
29.083 mm
116000 N
124000 N
43137X
43000
34.925 mm
24.074 mm
71900 N
76200 N
4368
N/A
34.925 mm
40.386 mm
199000 N
204000 N
449
435
34.925 mm
29.901 mm
127000 N
144000 N
HM88649
N/A
34.925 mm
25.400 mm
76800 N
94200 N
HM88649A
N/A
34.925 mm
25.400 mm
76800 N
94200 N
HM88649H
N/A
34.925 mm
25.400 mm
91000 N
94200 N
HM89446
HM89400
34.925 mm
28.575 mm
110000 N
119000 N
HM89446A
HM89400
34.925 mm
28.575 mm
110000 N
119000 N
LM48548
LM48500
34.925 mm
18.288 mm
64600 N
63100 N
LM48548A
LM48500
34.925 mm
18.288 mm
64600 N
63100 N
LM48548AS
LM48500
34.925 mm
18.288 mm
64600 N
63100 N
LM48548C
LM48500
34.925 mm
18.288 mm
64600 N
63100 N